OpenTrain AI Gigs

Help improve AI agents by designing realistic enterprise workflows, evaluating reasoning and tool use, and translating business processes into actionable model feedback. This flexible, worldwide contract role pays $80–$150 per hour for 20+ hours weekly.

Use your CAM, CNC, and digital manufacturing expertise to evaluate AI-generated workflows and recommendations. This remote contractor role offers flexible part-time work at $50–$100 per hour.

Use 5+ years of CNC machining expertise to help train next-generation AI systems. Work remotely on a flexible contract schedule, applying your knowledge of Haas controls, precision measurement, GD&T, and process optimization.

Collect clear selfies and short smartphone videos from home for an AI training dataset. This remote, entry-level contractor role offers flexible part-time work at $139–$140 per hour.

Evaluate AI-generated code and help build programming datasets for large language models. Use your software engineering expertise across C, C++, Python, JavaScript, Java, Rust, and Go in a flexible remote contractor engagement.

Apply your music expertise to review prompts and evaluate AI-generated responses for accuracy, reasoning, completeness, and quality in a flexible, remote AI-training role.

Use advanced science and technology expertise to design challenging prompts, evaluate LLM responses, and provide evidence-based feedback. This remote, part-time contractor role is open worldwide and requires 20+ hours per week.

Build and deploy production-ready Generative AI systems using Python, LangChain, RAG, prompt engineering, and agent workflows. This part-time contract role offers 20+ hours per week for an engineer based in India.

Build realistic cloud environments that test how AI systems design, deploy, secure, troubleshoot, scale, and recover production-grade infrastructure. This worldwide contract role offers flexible work at $50–$100 per hour.

Apply advanced gravitation and cosmology expertise to research-level AI training benchmarks. This remote contractor project offers flexible work at $80–$160 per hour for about 10 hours weekly over 8–10 weeks.

Evaluate personalized AI responses for relevance, accuracy, helpfulness, and appropriate use of context. This remote, part-time contractor role is open to U.S.-based applicants who actively use email, calendar, photo, and file-management applications.

Apply your immigration-law expertise to evaluate AI-generated legal content, refine documents, and improve how AI handles complex legal concepts. This worldwide, part-time contract role offers 20+ hours per week and pays $140–$400 per hour.

Use your civil rights expertise to review legal documents, develop realistic scenarios, and evaluate AI-generated legal responses. This flexible contractor role offers $140–$400 per hour and requires 20+ hours per week.

Use your AAPC coding expertise to help train next-generation AI by reviewing clinical documentation, assigning ICD-10 and CPT codes, and applying E&M guidelines. Worldwide contract work pays $55–$68 per hour.

Use your U.S. healthcare law expertise to review legal materials, evaluate AI responses, and strengthen model reasoning. This remote contractor project offers approximately 20 hours per week for 1–3 months at $140–$400 per hour.

Use 10+ years of outpatient coding and academic medical center audit experience to evaluate complex records and help improve AI systems, with flexible contractor work paying $55–$68 per hour.

Apply criminal defense expertise to evaluate AI-generated legal content, analyze court scenarios, and create accurate training examples. This remote contractor engagement offers flexible part-time work at $140-$400 per hour.

Use your active family law license and practical legal judgment to evaluate AI-generated legal content, create realistic training scenarios, and improve model accuracy. Remote contractor work offers 20+ hours per week at $140–$400 per hour.

Apply your criminal-law expertise to train and evaluate next-generation AI systems through remote document review, scenario development, and legal-text assessment. Contract work is worldwide, English-language, and pays $140–$400 per hour.

Evaluate AI-generated answers to questions of Japanese law, focusing on commercial and contract matters. Use your in-house legal expertise to compare responses, apply a rubric, and provide concise feedback at $140–$150 per hour.

Evaluate AI-generated answers about Spanish commercial and contract law using a structured rubric. This remote contractor role pays USD 140–150 per hour and begins with an approximately 10-hour commitment, with potential for additional work.

Evaluate AI-generated answers to German commercial and contract law questions, comparing model responses against a standardized rubric. This remote freelance role pays USD 140–150 per hour, with an initial commitment of approximately 10 hours and potential additional work.

Evaluate AI-generated answers to real French legal questions, with a focus on commercial and contract matters. This remote contract role pays USD 150–160 per hour and begins with approximately 10 hours of work.

Use your U.S. compliance-law expertise to evaluate legal AI outputs, annotate documents, and create scenarios that help models reason more accurately. Contract work is remote, part-time, and pays $90–$150 per hour.

Create competitive programming problems, reinforcement learning environments, reference solutions, and C++ checkers that challenge AI models. This flexible remote contract pays $45–$65 per hour for approximately 1–3 months.

Help evaluate and improve AI systems by building reinforcement learning environments for complex software engineering tasks. Work remotely for approximately 15 hours per week, with listed compensation of $50-$100 per hour.

Use your U.S. bankruptcy law expertise to draft legal training examples, evaluate AI-generated answers, and improve the accuracy of emerging AI systems at $90-$150 per hour.

Use advanced finance judgment to evaluate and improve AI-generated financial content, valuation analysis, investment prompts, and research. This remote, part-time contractor role offers $100–$200 per hour for experts worldwide.

Use your software engineering expertise to evaluate AI-generated technical content, refine prompts, and produce high-quality documentation for AI training. This worldwide, part-time contract offers flexible work in English at $100–$200 per hour.

Use your data science expertise to evaluate, fact-check, and improve AI-generated content and analytical outputs. This remote, part-time contractor role offers $100–$200 per hour and requires 20+ hours weekly.

Evaluate AI chatbot responses using realistic business prompts across Google Workspace. Help improve personalization, accuracy, relevance, and usefulness in a flexible, part-time remote contract role for US-based business owners.

Use your clinical regulatory writing expertise to create evaluation tasks and assess AI-generated clinical content for scientific accuracy, structure, and evidentiary support. Remote, part-time contract work pays $50-$80 per hour.

Apply clinical-trial biostatistics expertise to evaluate AI-generated analyses, verify statistical outputs against analysis plans, and create rigorous evaluation examples. Remote contract work pays $60–$65 per hour for 20+ hours weekly.

Apply your regulatory affairs expertise to evaluate and improve AI systems working with clinical and regulatory documentation. This remote contractor role offers $50–$70 per hour with flexible part-time work of 20+ hours weekly.

Review real AI-assisted STEM workflows, evaluate multi-step reasoning, and turn expert analysis into training feedback. This remote contractor role offers flexible part-time work at $80–$100 per hour for about 20 hours weekly.

Apply oncology and hematology expertise to evaluate AI-generated clinical interpretations of trial and regulatory materials. This remote contract offers flexible part-time work at $160–$200 per hour.

Apply deep drug-safety expertise to evaluate and author tasks that teach AI systems to reason about DSURs, PSURs, PBRERs, and aggregate safety data. This worldwide, part-time contract pays $70–$80 per hour.

Evaluate AI-generated responses, apply expert judgment, and provide feedback that improves model behavior. This flexible, worldwide contractor role offers 20+ hours per week and pays $140–$200 USD per hour.

Use consulting judgment, business writing, and analytical rigor to evaluate AI outputs, refine prompts, and improve documents used in real-world business contexts. Remote contractor work is available worldwide at $100–$200 per hour.

Use five or more years of travel expertise to evaluate and improve AI-generated planning, booking, sales, and customer service content. This remote contractor role pays $20-$35 per hour and offers flexible work of 20+ hours weekly.

Help strengthen AI training projects by sourcing professionals, assessing candidate fit, and turning talent-market insights into clear recommendations. This remote contractor role offers flexible part-time work at $30–$42 per hour.

Use five or more years of B2B sales development experience to improve AI training data through prospecting, lead qualification, consultative selling, and expert feedback. This worldwide, part-time contractor role pays $30–$42 per hour for 20+ hours weekly.

Use your personal assistance and administrative expertise to help improve next-generation AI systems. This remote, part-time contractor role offers flexible work for English-speaking professionals worldwide, with pay ranging from $20 to $34 per hour.

Help evaluate how medical AI systems reason through realistic clinical problems. This remote, flexible contract is designed for actively practicing licensed physicians and offers up to 30 hours per week.

Apply advanced M&A and corporate law judgment to evaluate, generate, and improve AI-generated legal content. This remote, part-time contract role offers $140-$400 per hour for US-qualified attorneys with top-tier transaction experience.

Apply advanced US corporate law expertise to review documents, evaluate litigation scenarios, and create precise training data for AI systems, with flexible remote contractor work at $140-$400 per hour.

Apply advanced computational biology and cheminformatics expertise to train and evaluate AI systems for computational drug discovery. Build reproducible coding benchmarks, assess scientific outputs, and work 20+ hours per week at $80-$110 per hour.

Apply US legal expertise to train advanced AI systems through structured review of litigation, M&A, private equity, capital markets, contracts, privacy, and compliance matters. Remote contractor work pays $140–$400 per hour, with 20+ hours per week.

Apply your US legal expertise to evaluate and improve AI-generated legal content. This remote contractor role offers flexible, part-time work for licensed attorneys at $140–$350 per hour.

Review and annotate robotics video to help train next-generation AI systems. This remote, entry-level contract offers flexible part-time work at $7 per hour, with 20+ hours available weekly.

Use advanced physics expertise to help train next-generation AI systems through rigorous problem solving, derivations, and technical analysis. This remote contract project offers flexible work at approximately 10 hours per week for 8–10 weeks.

Help improve how AI systems use tools, APIs, and structured instructions through prompt design, policy evaluation, and safety review. This remote contractor role offers part-time work of 20+ hours weekly for professionals in eligible countries.

Build and optimize production machine learning systems in Python across data pipelines, modeling, deployment, and monitoring. This remote contractor assignment offers 20, 30, or 40 hours per week for candidates in nine eligible countries.

Apply advanced quantum optics expertise to benchmark AI systems and evaluate research-grade technical analyses. This remote contractor project offers global flexibility, approximately 10 hours per week, and $80–$160 per hour.

Apply advanced AdS/CFT and mathematical physics expertise to review AI-generated solutions to research-level problems. This remote contractor engagement offers 10 hours per week for 8–10 weeks at $80–$160 per hour.

Apply advanced statistical physics and quantum information expertise to evaluate AI-generated solutions, interpret simulations, and adjudicate technical research problems. Remote contract work requires about 10 hours weekly for 8–10 weeks at $80–$160 per hour.

Apply your expertise in atomic, molecular, and optical physics to evaluate AI-generated reasoning, atomic-structure calculations, and spectroscopy analysis. Remote contractor work is worldwide, part-time, and pays $80–$160 per hour.

Apply advanced chemistry expertise to help train and evaluate next-generation AI systems. This fully remote contract offers flexible part-time work worldwide at $70–$90 USD per hour, with 20+ hours per week.

Apply your ALD and semiconductor expertise to train and evaluate frontier AI models for physical science. This remote US-based contract offers ongoing work at $84 per hour, with 20+ hours per week expected.

OpenTrain AI is hiring a senior software engineer to design production-like coding benchmarks and safety tests for frontier coding agents. Contractor role: remote, 20+ hrs/week (min 4 hrs/day), 4–8 week assignment; Python required and 8+ years' experience.

Join OpenTrain to evaluate Spanish-language AI responses for real small-business scenarios: craft prompts, run short chatbot conversations, and rate outputs for clarity, usefulness, and accuracy. Part-time contractor role (20+ hrs/week), fully remote and worldwide.

Use your US legal expertise to help train and evaluate AI through nuanced research, drafting, document review, and quality assurance. This remote contract role offers flexible part-time work at $140–$400 per hour.

Join OpenTrain as a Generalist AI Training Contributor to write, edit, and organize documentation that helps train generative AI systems — part-time contractor work, remote, 20+ hours/week, $25–$50/hr.

Join OpenTrain as an AI Model Reviewer to evaluate and generate high-quality examples, prompts, and rationales that improve model reasoning — remote, contractor work at $100–$180/hr for 20+ hours/week. Ideal for experts in law, education, engineering, science, or writing.

Apply your mechanical design and CAD expertise to train and evaluate AI models for engineering workflows. Part-time remote contractor work (under 20 hrs/week) paying $66–$130/hr, no prior AI experience required.

Join OpenTrain as an expert AI Safety Red Teaming Specialist to probe conversational models for jailbreaks, prompt injections, and misuse; contractor, 20+ hrs/week, $48–$62/hr, remote, requires native English and Norwegian fluency.

OpenTrain is hiring an expert AI Safety Red Team Specialist to perform text-based adversarial testing of conversational models (20+ hrs/week). Earn $48–$62/hr while finding jailbreaks, prompt injections, and systemic failure cases; native English and Finnish required.

Join OpenTrain to red team conversational AI—find jailbreaks, prompt injections, and multi-turn manipulation, and produce reproducible vulnerability reports; remote, contract, 20+ hrs/week, $48–$62/hr. Native English and Danish required.

Probe conversational AI for jailbreaks, prompt injections, and misuse as a remote AI Safety Red Team Specialist for OpenTrain. Contractor, part-time role (20+ hrs/week) paying $24–$35/hr; native English and Thai required.

Join OpenTrain as an AI Safety Red Team Expert to probe conversational AI with adversarial prompts, jailbreaks, and structured red‑team methods. Remote, contract, 20+ hrs/week, pay $29–$45/hr; native English and Portuguese required.

Join OpenTrain AI to red-team conversational models—finding jailbreaks, prompt injections, bias, and misuse—while producing reproducible attack cases and risk reports. Contract, part-time role (20+ hrs/week) paying USD 17–25/hr; native English and Indonesian required.

Join OpenTrain to perform adversarial, text-based red teaming on conversational AI—find jailbreaks, annotate failures, and produce reproducible attack cases. Remote contractor role paying $17–$25/hr that requires native English and Vietnamese and a background in red teaming or cybersecurity.

Join OpenTrain AI as an expert red teamer probing conversational models for jailbreaks, prompt injection, bias exploitation, and multi-turn manipulation; remote contractor role, 20+ hrs/week, $48–$62/hr, native English and Dutch required.

Join OpenTrain as an AI Safety Red Team Specialist to probe conversational models for jailbreaks, prompt injections, bias exploitation, and multi-turn manipulation. Remote contract, 20+ hrs/week, $17–$25/hr; produce reproducible attack cases and clear reports to improve model safety.

Join OpenTrain for a high‑engagement, short‑term Finance Sprint evaluating whether public‑finance workflows reflect real professional practice; remote, worldwide contract at $115–$150/hr for 20+ hours/week.

Join OpenTrain AI to design realistic HR scenarios, write evaluation prompts, and grade AI responses; $50–$90/hr, 20+ hours/week, US-based contractors with 3+ years of HR experience. Help shape how AI handles complex people decisions.

Design and author multi-step scientific evaluation tasks for frontier AI models in a full-time remote US contractor role paying $60–$90/hr. Expect ~35 hours/week building Python reference solutions, defining rigorous criteria, and reviewing model attempts.

Join OpenTrain AI to evaluate and compare chatbot responses for real-world small business scenarios in an entry-level, project-based role. Work remotely 20+ hours/week creating prompts, running multi-turn conversations, and submitting structured RLHF-style evaluations.

Short-term remote contract for a bilingual French/English analyst to create, label, and evaluate analytical Q&A that improve large language models; part-time (20+ hrs/week) with requirements to overlap US hours and potential extension. Entry-level friendly for strong analytical writers.

Join OpenTrain to evaluate AI-generated and human-created data science work: design grading criteria, score technical deliverables, and write defensible evaluations. Remote, contract role for experienced data scientists with 20+ hours/week availability and $100–$150/hr pay.

Manage operations for LLM browsing projects: track annotator performance in Google Sheets, review quality, and coordinate contributors. Remote contractor, 20+ hrs/week, $50–$60/hr.

Experienced adult inpatient RNs (U.S., license outside California) review and annotate AI-generated nursing flowsheet outputs, validate assessment data, and provide expert feedback to improve clinical AI models; contractor, 20+ hrs/week, $55–$65/hr.

Use your consulting experience to evaluate AI and human consulting deliverables for real-world projects. Remote, freelance role paying $100–$150/hr with a default 40-hour weekly commitment and flexible part-time options.

Join OpenTrain to help train LLMs on real-world finance: design finance tasks, write accurate solutions, and evaluate model outputs against rubrics. US-based contractors earn $65–$90/hr with a weekday availability requirement and flexible part-time scheduling.

OpenTrain AI seeks senior civil engineers to design scenario-based evaluation tasks and rubrics for AI used in infrastructure and construction; remote contractor role at $70–$80/hr, ~20+ hours/week. Use PE-level judgment across structural, geotech, water resources, transportation, and construction m

Join OpenTrain to design evaluation scenarios and rubrics that test AI systems against enterprise mechanical engineering challenges; paid contract work at $70–$80/hr, 20+ hours/week, remote and worldwide. Ideal for engineers with hands-on product design and certification experience.

Join OpenTrain AI to train next‑generation models by reviewing and annotating microbiology documents (RLHF and evaluation tasks). Remote, contract, 20+ hours/week; pay $70–$90/hr — ideal for candidates with a BSc+ in microbiology/biology and strong scientific communication.

Join OpenTrain AI to review and annotate technical materials science documents, evaluate AI-generated engineering content, and create domain-specific training scenarios — part-time, remote, and paid $80–$130/hr for ~20+ hours/week.

Join OpenTrain as a part-time contractor to design reinforcement-learning code environments and expert reference solutions that teach AI to code, debug, refactor, and optimize — paid $50–$150/hr. Remote role with flexible hours; apply with a strong GitHub/GitLab record.

Use your litigation expertise to evaluate, refine, and improve AI-generated briefs, arguments, and legal memos. This flexible U.S.-based contractor role offers asynchronous work at $80-$140 per hour, with 20+ hours available weekly.

Work as a US-based contractor evaluating personalized AI responses for professional users, 20+ hours/week, for native speakers of German, Japanese, Korean, or French. Use business email history to judge relevance, accuracy, personalization, and provide clear RLHF-style feedback to improve assistant

Join OpenTrain as a remote PhD-level Physics Research and AI Evaluation Specialist—conduct physics research, create educational content, and evaluate AI-generated scientific responses. Part-time contractor role (20+ hrs/week) paying $70–$90/hr.

Design and evaluate AI-powered enterprise workflows as a Senior Enterprise AI Productivity Specialist — 20+ hours/week, remote worldwide, contractor role paying $80–$150/hr. Build automations, integrations, adoption plans, and business-impact documentation.

Join OpenTrain as a part-time, remote COBOL Code Analysis and AI Training Specialist and help train AI by interpreting and documenting legacy COBOL systems. Earn $90–$120/hr for 20+ hours/week while turning your COBOL domain knowledge into high-quality training data.

Use deep COBOL and mainframe expertise to explain legacy systems, evaluate code scenarios, and create training data for AI models. Remote contractor work pays $90–$126 per hour, with a 20+ hour weekly commitment.

Evaluate AI-generated business replies using real corporate Gmail history and account activity, then provide clear, structured feedback to improve personalization and relevance. Part-time contractor role for native speakers in selected countries, ~20+ hours/week.

Evaluate AI-written business email replies for relevance, accuracy, personalization, and professionalism. Remote, entry-level contract work (20+ hrs/week) reviewing multiple model outputs and writing clear evaluation feedback to improve AI behavior.

Join OpenTrain as a remote Clinical Medicine AI Evaluation Physician to design and run clinical evaluations that test AI medical reasoning. Flexible contract work (20–30 hrs/week), 1-month engagement with possible extensions; licensed physicians only.

Join OpenTrain as a Clinical Pharmacy AI Reviewer to evaluate and correct medication-focused AI responses in prior-authorization workflows. This U.S.-based contractor role pays $35/hr and asks for 30–40 hours/week availability to apply your CPhT experience to medication safety and clinical accuracy.

Licensed US pharmacists: review and correct AI-generated medication Q&A, apply clinical rubrics, and provide structured annotations — contract, part-time role at $70/hr for 20+ hours/week.

Join OpenTrain AI as a Machine Learning Engineer to design and run evaluation benchmarks for frontier LLMs. Contract, part-time role (20+ hrs/week) paying $60–$90/hr for US-based practitioners with hands-on ML training and research experience.

Use transaction advisory expertise to evaluate AI-generated M&A and valuation work, including due diligence, financial models, and purchase price allocation. Remote U.S. contract role paying $80–$120 per hour.

Design and solve multi-step physics problems and write clear step-by-step solutions that probe large language model reasoning. Fully remote contractor role (20+ hrs/week) requiring advanced physics knowledge, scientific Python skills, and a 3-week commitment with PST overlap.

Design and validate multi-agent coding benchmarks using real open-source code changes, Docker, and Python verification scripts. Remote 4-week contractor role for developers in select countries, requiring daily overlap with PST.

Remote contractor role evaluating personalization in a conversational AI using your own account data; work in Russian, 20+ hrs/week at $15/hr. Create multi-turn prompts, compare responses side-by-side, and write clear rationales while following strict data hygiene.

Join OpenTrain to review AI-generated household financial advice—budgeting, debt, retirement—and rate and improve model recommendations. Part-time contractor role for US-based planners, 20+ hrs/week, $80–$110/hr.

OpenTrain AI seeks a Spanish-language data annotation expert to label and validate Spanish text with linguistic precision. Remote, contract, part-time role (20+ hrs/week) for contributors with native/near-native Spanish and experience in annotation or linguistic QA.

Join OpenTrain to record and transcribe Catalan speech from anywhere in Spain, part-time. Help build high-quality Catalan audio datasets, work under flexible hours, and earn $14–17/hr (typical $15/hr) as a contractor.

Join OpenTrain AI as a part-time contractor building reinforcement-learning environments and reproducible software tasks that evaluate model programming ability — remote, worldwide, under 20 hrs/week, paying up to $150/hr.

OpenTrain AI is hiring a licensed US electrical engineer to review and rate written content and AI-generated responses for technical accuracy. Flexible, remote contract work ~10 hours/week at $65–$90/hr for subject-matter experts with a PE license and 2+ years' experience.

Join OpenTrain as a remote, part-time Chemical Engineering AI Expert to evaluate technical written content and AI responses; must hold a US PE license and 2+ years' experience. Competitive pay: $65–$90/hr; expected part-time commitment of 20+ hours/week.

Join OpenTrain as a remote Legal AI Evaluation Expert to review AI-generated legal content, answer domain-specific questions, and guide improvements in legal AI. This part-time role is ~10 hrs/week, requires US bar admission and 2+ years' practice, and pays $65–$90/hr.

Join OpenTrain AI as a Healthcare AI Reviewer to evaluate clinical writing and AI-generated responses for factual accuracy and practical relevance. Remote, part-time contractor work for US-based licensed MDs with 2+ years' clinical experience, paying $90–$100/hr.

Short contract for a bilingual (German/English) reviewer to label and create analytical text scenarios that improve LLM reasoning. One-week, 40 hrs/week remote role with required daily overlap to UTC-8; immediate start.

Join OpenTrain AI to review, label, and evaluate text that helps fine-tune large language models; this remote, short-term contract requires English and Spanish fluency, strong analytical judgment, and attention to annotation quality.

Remote contract role for a US‑licensed attorney to evaluate corporate, M&A, and commercial documents for AI training; 20+ hrs/week at $90–$150/hr. JD and active U.S. bar membership required.

Build reproducible reinforcement learning environments that test how AI systems solve real-world coding problems. This remote contractor role offers flexible work of approximately 15 hours per week at $50–$100 per hour.

Join OpenTrain to build and evaluate RL training environments that teach AI systems how to operate cloud infrastructure. Remote contractor role, worldwide, 20+ hrs/week (see schedule), paying $60–$130/hr with estimated project earnings of $9,600–$20,800.

Review AI-generated legal research for accuracy, citations, and good-law status in a US-based, contract role. Part-time (20+ hrs/week) work paying $75–$150/hr for experienced legal researchers with Westlaw/KeyCite and J.D. or MLIS credentials.

Evaluate frontier AI responses for safety, accuracy, policy compliance, and quality across high-risk topics while helping improve model alignment through structured RLHF, SFT, and safety benchmarking.

Apply advanced neuroscience expertise to annotate, review, and author neuroscience research, case studies, and scenario-based materials used to train generative AI — remote contract, part-time (20+ hrs/week), $60–$80/hr. Prior AI training experience not required.

Apply your biochemistry expertise to annotate, validate, and refine biochemical datasets and model outputs for life-sciences AI; remote, 20+ hrs/week contract at $60–$80/hr. Join OpenTrain to shape how AI systems learn from scientific data.

OpenTrain AI seeks an advanced-degree molecular biologist to review protocols, create annotations, and evaluate AI-generated scientific outputs. This remote, contract role is 20+ hours/week and pays $60–$80/hr for high-quality, evidence-based work.

Join OpenTrain as a Pharmacology AI Training Expert helping train and evaluate AI responses about pharmacokinetics, pharmacodynamics, drug interactions, and therapeutic use. Contract role, 20+ hrs/week, paid $60–$80/hr for experienced PharmD/PhD/MD candidates.

Join OpenTrain AI as an Immunology AI Training Expert to evaluate and improve AI-generated immunology content, design datasets and case studies, and help shape scientifically accurate model outputs. Part-time contractor role (20+ hrs/week) paying $60–$80/hour, remote and worldwide.

Turn your audit and SOX controls expertise into high-impact AI training data—work remotely as a contractor for 20+ hours/week and earn $80–$120/hr while creating scenarios, reviewing AI audit outputs, and writing clear feedback.

OpenTrain seeks a tax professional to convert real-world tax work into high-quality training data and review AI-generated tax outputs for technical accuracy. This part-time contractor role pays $80–$120/hr, requires CPA or EA credential, and is remote within the US (20+ hrs/week).

Experienced corporate accountants (CPA or 3–5+ years) will convert controllership work into labeled accounting training data and review AI-generated accounting outputs. Remote U.S.-only contractor role, 20+ hrs/week, $80–$120/hr, English required.

Join OpenTrain to design accounting scenarios, evaluate AI-generated accounting outputs for GAAP/IFRS compliance, and provide structured feedback that improves model reasoning — 20+ hrs/week, US-based contractors, $80–$120/hr; requires 3+ years and a professional accounting credential.

Remote contractor role reviewing and annotating architectural drawings, Vectorworks/CAD files, and BIM content to train AI; 20+ hrs/week, paid hourly between $20–$100 USD. Ideal for designers with Vectorworks and CAD experience who can clearly explain architectural workflows.

Review and evaluate AI-generated guidance for advanced Lightworks editing and post-production workflows in a remote, contractor role (20+ hrs/week) paying $50–$100/hr. Ideal for experienced Lightworks editors and post-production specialists.

OpenTrain seeks a remote Ngspice Electronic Engineering AI Trainer to build and validate circuit simulations that feed AI training workflows; part-time contract work (20+ hrs/week) paying $50–$120/hr. Ideal for engineers with hands-on Ngspice and analog/digital design experience.

Evaluate a personalization feature in Polish by designing short multi-turn prompts, comparing paired model responses, and writing concise, defensible quality rationales. Contractor role, $20/hr, remote, ~4 hours/day with 4-hour overlap with PST for a 1-month engagement.

Join OpenTrain to evaluate a new personalization feature in Japanese: design multi-turn prompts, compare paired model responses, and write clear rationales in a remote, 3-month contractor role paying $15/hr with PST overlap.

Join OpenTrain to build LLM evaluation and training datasets by validating real open-source codebases with C#. This remote contractor role requires 3+ years of software engineering, 20+ hours/week (options to 30–40) and is open to candidates in specified countries.

Join OpenTrain AI to design, solve, and evaluate challenging mathematics problems that probe LLM reasoning limits; this remote, part-time contractor role expects 20+ hours/week, advanced graduate-level math knowledge, Python ability, and English fluency.

Use your UX/UI and Figma expertise to create high-quality design examples and critiques that train generative AI models. Part-time contractor role, 20+ hrs/week, remote worldwide, $15–$30/hr.

Evaluate and benchmark AI-generated code: review correctness, debug and verify solutions, and build evaluation datasets for frontier models. US-remote, contractor role — 20+ hrs/week (min 4 hrs/day), 1-month contract with 4-hour PST overlap required.

Contract with OpenTrain as an AI Quality Analyst evaluating a conversational AI personalization feature: design multi-turn prompts, rate side-by-side text responses, and write defensible rationales. 3-month contract, remote, 20+ hrs/week with required PST overlap.

Review and validate AI-produced C++ code for correctness, efficiency, and reliability in a remote, contractor role. Ideal for intermediate C/C++ engineers who can spend 20+ hours/week giving clear, actionable feedback to improve generated software.

Join OpenTrain as a Commercial Contracts Attorney to review and annotate M&A diligence documents and help train AI tools used by transaction teams; part-time contract work at $90–$100/hr, 20+ hours/week, remote and worldwide. Bring 5+ years of commercial contract and VDR experience plus a JD and act

Work remotely as a part-time contractor annotating and reviewing Portuguese text for AI—20+ hours/week at $30–$65/hr. Use your native or near-native Portuguese and fluent English to label, evaluate, and improve language data for machine learning.

Stress-test frontier AI systems through adversarial prompt design, jailbreak testing, and safety evaluation. This expert contract role offers flexible, remote work at $70–$84 per hour for 20+ hours weekly across eligible countries.

Help train frontier AI systems by designing and evaluating advanced MLOps and ML systems tasks. Apply your production expertise in JAX, PyTorch, distributed systems, and GPU kernel optimization to remote work paying $70–$110 per hour.

Write and solve postgraduate-level chemistry problems, produce step-by-step explanations with equations and annotated diagrams, and evaluate model outputs to improve generative AI. Contract, part-time role (20+ hrs/week), remote, English required.

Join OpenTrain to design and solve advanced physics problems that probe LLM reasoning and symbolic skills; remote, part-time contractor work (20+ hrs/week) for candidates with graduate-level physics experience and strong written English.

Join OpenTrain AI to design and evaluate graduate- and PhD-level mathematics problems that test and improve large language models; work remotely as a contractor for 20+ hours/week building benchmark questions, reviewing model solutions, writing formal Lean proofs, and validating Python computations.

Experienced ML engineers wanted for part-time, remote contract work evaluating production-grade model training, evaluation, and inference pipelines; requires 3+ years of ML engineering experience, strong Python, and PyTorch/TensorFlow/JAX familiarity. 20+ hours/week; apply through OpenTrain.

Join OpenTrain as an AI Data Review and Annotation Specialist working 20+ hours/week to label and validate text data for AI models. Work remotely (US or Brazil), apply detailed guidelines, catch edge cases, and help keep training datasets accurate and consistent.

Join OpenTrain to evaluate and annotate AI-generated U.S. legal responses using structured rubrics; requires a J.D. and 3+ years of U.S. practice or teaching. Flexible part-time contract (10–30 hrs/week), ~1 month with possible extension.

Review and compare chatbot answers for real small-business scenarios in Japanese in a remote, project-based contractor role. Expect 20+ hours/week creating prompts, running short multi-chatbot conversations, and submitting structured evaluations and transcripts.

Join OpenTrain to evaluate AI chatbot responses for real small-business scenarios, creating prompts, running short conversations, and providing structured feedback that improves models. This 10-week, remote contract is entry-level and requires business knowledge and 20+ hours/week availability.

Join OpenTrain as a remote Malay Language AI Analyst to analyze and summarize complex text, research factual claims, and create Q&A scenarios that improve large language models. This contractor role requires fluency in Malay and English and strong analytical reasoning.

Join OpenTrain AI as a Hebrew Language AI Analyst to improve large language models by summarizing texts, validating claims, and creating reasoning examples. Remote, contractor role for bilingual Hebrew/English contributors offering 20+ hours/week of flexible, entry-level work.

Join OpenTrain as a remote Swedish Analytical AI Trainer to help fine-tune large language models through summarization, research-backed validation, and scenario-based analytical tasks; part-time contractor work requiring Swedish and English and 20+ hours/week with some US-hours overlap.

Work remotely as a Danish-language AI trainer: read and summarize long texts, research and validate claims, solve analytical puzzles, and provide clear answers and annotations to improve language models. Contractor role, 20+ hours/week with some overlap to US (UTC-8) hours.

Work remotely as a Korean-English AI content analyst helping train and evaluate multilingual models through summarization, online verification, reasoning puzzles, and writing clear answers; part-time contractor work starting at 20+ hours/week with flexible scheduling. Entry-level candidates with str

Join OpenTrain to improve LLMs by analyzing Japanese texts: summarize, fact-check, and craft QA scenarios that teach models. Remote part-time contractor role for bilingual Japanese/English contributors, 20+ hours/week with some overlap to US hours.

Join OpenTrain as a remote Arabic Content Analyst to read, verify, and break down Arabic content, craft analytical prompts and model responses, and provide detailed annotations that improve LLM reasoning; bilingual Arabic/English required and this role requires 40 hours/week overlapping US Pacific t

Join OpenTrain to analyze Italian content, verify claims through online research, and craft clear explanations and scenarios that teach LLMs. This remote contractor role requires fluency in Italian and English, strong analytical writing, and careful judgment to improve model behavior.

Work remotely as a bilingual English/German AI Content Analyst to summarize long-form content, fact-check claims, and build reasoning scenarios that help train large language models. Flexible contractor, part-time role (20+ hrs/week) with some US-hour overlap.

Join OpenTrain to help train large language models by reading, summarizing, reasoning, and annotating French and English content. Remote, contractor role requiring bilingual fluency and 20+ hours/week with some US-time overlap.

Join OpenTrain as a remote Chinese-language LLM analyst to summarize long content, validate claims, create training scenarios, and annotate model responses. This part-time contractor role requires strong English and Chinese written skills and 20+ hours/week.

Join OpenTrain to design and solve advanced physics problems and build evaluation benchmarks that fine-tune large language models. This remote, part-time contractor role (20+ hrs/week) suits PhD-level physicists or equivalent with strong symbolic and multi-step reasoning skills.

Join OpenTrain AI to build evaluation datasets from public open-source code and measure how LLMs handle real-world software tasks; requires 3+ years software engineering with strong Go skills, 20+ hours/week, and eligibility in select countries.

Join OpenTrain as a remote contractor building and evaluating LLM performance on real C++ codebases; flexible 20/30/40 hr/week schedules and opportunities to lead junior engineers. Work with researchers to design verifiable engineering tasks, triage issues, run code, and rate model outputs.

Design and solve challenging biology problems to probe and evaluate large language models, creating step-by-step solutions and benchmark material. Remote contractor role (20+ hrs/week), worldwide, English required — OpenTrain AI hires directly.

Join OpenTrain AI as a freelance Chemistry LLM Training Expert to create and solve postgraduate-level chemistry problems, annotate mechanisms, and craft clear explanations for LLM fine-tuning. This part-time contract requires PhD-level expertise and 20+ hours/week of remote work.

Design and solve advanced physics problems to probe large language models' multi-step reasoning and symbolic skills; remote, contract, 20+ hours/week working with OpenTrain AI to build benchmarks from undergraduate to PhD levels.

Join OpenTrain as a Java AI Training Developer working 20+ hours/week on a contract, part-time basis to build and evaluate code-centric datasets, rank model responses, and support RLHF and fine-tuning. Use your Java skills to improve model alignment, clarity, and technical accuracy.

Contract JavaScript/TypeScript developer to build and evaluate AI models and datasets (20+ hrs/week, remote worldwide). Combine full-stack development with model benchmarking, response ranking, RLHF/SFT support, and written evaluation rationales.

Join OpenTrain as an AI Model Evaluation Developer to write and maintain code, run model benchmarks, rank responses, and build datasets for fine-tuning and RLHF. This remote, part-time contractor role requires strong Python and JavaScript/TypeScript skills and 20+ hours/week.

Rate AI-generated responses against your personal Gmail to improve personalization, relevance, and helpfulness. Native German or Korean speakers who can read English are invited to a 3–4 month contractor project with flexible remote hours and required PST overlap.

Contractor role reviewing AI-generated business replies using real corporate Gmail inboxes; native-level German, Japanese, Korean, or French required. Remote U.S.-based work with flexible hours (typical 4+ hrs/day, target 20+ hrs/week, up to 40 hrs/week), writing structured feedback to improve model

Analyze real-world datasets, model outputs, and evaluation metrics to help assess advanced machine learning systems. This part-time contractor role offers flexible remote work for analysts with Python, SQL, statistics, and ML evaluation experience.

Help evaluate how large language models work with real Python code. Build repository environments, triage issues, assess tests, and analyze LLM bug-fixing performance in a flexible, remote contract role.

Work remotely as an AI Data Review and Annotation Specialist for OpenTrain, spending 20+ hours/week labeling and evaluating text to improve AI models. This contractor, part-time role requires strong English, attention to detail, and the ability to apply detailed guidelines consistently.

Design and evaluate realistic coding tasks that train and test large language models for software engineering. Remote, contractor role (20+ hrs/week) for experienced engineers who can write tasks, tests, and review AI-generated code.

Help shape LLMs for finance by evaluating model outputs, building rubrics, and advising on training strategies—remote, contractor work at $100/hr for 20+ hours/week. Join OpenTrain to apply finance expertise to next-generation AI.

Design and solve challenging physics problems and write step-by-step solutions to probe and evaluate large language models across undergraduate to PhD topics. Remote, part-time contract (~20+ hrs/week); requires strong physics foundations and Python scientific-computing skills.

Use your board game expertise, strategic reasoning, and knowledge of complex rules to create and evaluate tasks that improve next-generation AI models. This two-month contractor assignment requires at least 20 hours per week, including PST overlap.

Join OpenTrain AI as a contract AI Quality Analyst (Dutch) to design multi-turn, personalization-based prompts and evaluate model responses for grounding, integration, and helpfulness; 1-month engagement at $20/hr with required PST overlap. Remote, flexible, entry-level.

Join OpenTrain as a contractor evaluating a conversational AI personalization feature in Vietnamese. Earn $15/hr on a 3-month, fully remote engagement designing multi-turn prompts, rating responses side-by-side, and writing clear rationales with a required PST overlap.

Remote contractor role evaluating a conversational AI personalization feature in Thai by designing multi-turn prompts, comparing side-by-side responses, and writing structured rationales. 3-month contract at $15/hr with a minimum 4 hours/day and 4-hour overlap to PST.

Evaluate and shape AI personalization in Indonesian — $15/hr, contractor work with a minimum of 20 hours/week; ideal candidates can commit 30+ hours with PST overlap. Design multi-turn prompts, rate model outputs, write clear rationales, and verify grounding.

Immediate 3-month contract evaluating Turkish-language personalization for a generative AI; $15/hr, minimum 30 hrs/week with 4 hours overlap with PST. Design multi-turn prompts, compare side-by-side responses, and write clear rationales to shape model behavior.

Join OpenTrain AI to evaluate personalized, multi-turn Korean AI conversations — remote, part-time contractor work at $15/hr for 20+ hours/week. Create prompts, compare side-by-side responses, and write concise rationales to improve model grounding and helpfulness.

Join OpenTrain to evaluate personalized AI responses in Chinese: a part-time contractor role (20+ hrs/week) paying $15/hr, worldwide remote. You'll design multi-turn prompts, compare side-by-side answers, and write concise, structured rationales calling out grounding and inference errors.

Contractor role evaluating Spanish-language personalization for Gemini: design multi-turn prompts, rate side-by-side model outputs, and write clear, defensible rationales. 3-month engagement, remote worldwide, $15/hr, 20+ hrs/week with daily availability and a 4-hour PST overlap required.

Join OpenTrain AI as a contractor evaluating a model personalization feature in Arabic: design multi-turn prompts, compare side-by-side responses, and write clear rationales. 3-month contract at $15/hr with a flexible schedule (20+ hrs/week typical) and required PST overlap.

Join OpenTrain as a Portuguese AI Personalization Quality Analyst evaluating personalized generative responses using your own conversation context — remote, contractor, 20+ hrs/week at $15/hr. Create multi-turn prompts, compare model outputs, and write precise rationales to improve grounding and hel

Join OpenTrain as a remote Machine Learning Engineer focused on benchmark-driven evaluation of real-world ML systems. This contractor role requires 3+ years of ML engineering experience, strong Python skills, and availability 20+ hrs/week with PST overlap.

Join OpenTrain as a contractor designing and validating data pipelines and benchmark evaluation tasks for AI systems. Work part-time (20+ hrs/wk) with Python on production-like datasets; applicants need 3+ years in data engineering, data science, or data-focused software engineering.

Write realistic multi-turn conversations that teach assistants when and how to call tools, modeling calendars, email, maps, and other app workflows. Part-time contractor role requiring 20+ hrs/week and 3+ years technical or analytical experience; open to applicants in specified countries.

Work remotely as a bilingual (Russian/English) AI analyst creating summaries, validating claims, and solving analytical puzzles to improve large language models; entry-level, 20+ hours/week, contractor/part-time work through OpenTrain.

Join OpenTrain AI as a Finnish-language analyst helping fine-tune LLM reasoning: read and deconstruct Finnish text, verify facts via web research, and create analytical training scenarios. Remote, contractor role for a short-term 1-month assignment with up to 40 hrs/week and US Pacific overlap.

Evaluate and improve AI-generated code while building verification systems for cutting-edge language models. This flexible contractor role is open to software engineers in the US, Canada, and select Western European countries.

Evaluate real Rust repositories and GitHub issues to help measure how LLMs solve software bugs. This part-time contractor role offers 20+ hours per week for engineers experienced with Rust, Git, Docker, and local testing.

Help evaluate how AI models solve real-world software bugs by triaging GitHub issues, configuring repositories, and testing Python codebases. This part-time contractor role requires 20+ hours per week and is open in select countries.

Evaluate real software repositories and help measure how well AI coding systems fix bugs. This remote, three-month contractor assignment offers 20 hours per week for engineers skilled in codebases, testing, Git, and Docker.

Use advanced Python skills to evaluate AI models, create training data, rank responses, and improve coding-focused systems. This worldwide contract role offers flexible part-time work of 20+ hours per week.

Build and evaluate AI systems through Python development, supervised fine-tuning, RLHF, response ranking, and public-data analysis. This fully remote contractor role offers 20, 30, or 40 hours per week for a one-month engagement.

Join OpenTrain AI to evaluate AI-generated civil legal analyses focused on housing, family, consumer, foreclosure, and debt matters; provide structured written feedback to improve legal AI reasoning. Remote contract role for U.S.-bar attorneys, 20+ hours/week at $170/hr.

Join OpenTrain to review and rate AI-generated Catalan content, fact-check claims, and apply linguistic QA while documenting decisions in professional English. Contract, remote from Spain, ~20+ hrs/week at $26 USD/hour for experienced Catalan language specialists.

Create multi-turn conversations, rubrics, and evaluation assets for frontier LLMs while working remotely as a contractor 20+ hours/week. Rapid onboarding and clear specs; paid on a per-task/hour basis at $20–$30/hr.

Join OpenTrain as a remote LLM Red-Teamer to design adversarial multi-turn conversations, write rigorous evaluation rubrics, and validate frontier language models 20+ hrs/week for $40–$65/hr. Prior RLHF or evaluation experience is helpful but not required.

Evaluate LLM outputs on complex finance tasks, craft domain-specific rubrics, and help improve AI training and benchmarking. Remote, flexible contract work (10–30 hrs/week) with competitive pay around $100+/hr.

Evaluate and improve large language models on real finance tasks — capital markets, trading, M&A, accounting and more. Contract, part-time role (20+ hrs/week) paid $100/hr; English required and open worldwide through OpenTrain.

Evaluate a new personalization feature for a conversational AI in German: design multi-turn prompts, compare side-by-side responses, and write clear rationales. Contractor role, $15/hr, 3-month engagement, remote with required PST overlap.

Use your legal expertise to evaluate AI-generated reasoning across civil justice matters, including housing, family law, consumer protection, debt collection, and bankruptcy. Remote, part-time contract work pays $150 per hour.

Experienced clinical law professors to evaluate AI-generated legal reasoning in civil matters; remote, ~15 hrs/week for 2–3 weeks at $180/hr. Use your clinic supervision and doctrinal expertise to rate, correct, and give structured feedback on model outputs.

Join OpenTrain to evaluate large language model outputs, create challenging prompts, and deliver recorded verbal feedback; remote, contract role (20+ hrs/week) paying $20–$30/hr. Entry-level friendly for strong American English speakers with LLM experience.

Join OpenTrain as a remote Economics Expert to create benchmark-quality economics responses, review advanced solutions, and document rationales for AI training—PhD required; $80–90/hr, 20+ hours/week, contract part-time.

Bring your PhD in biology to improve AI systems: review and refine biology prompts, scenarios, and model outputs on a part-time, remote contract at $80–90/hr. Work <20 hrs/week on text-based evaluation and generation tasks with OpenTrain AI.

Join OpenTrain AI as a part-time Fitness AI Training Expert to review and create workout and nutrition plans, provide clear written and verbal feedback, and help improve model outputs. Remote contract for U.S.-based applicants, ~20 hours/week at $50–$101/hr.

Join OpenTrain as a remote Physics AI Training Specialist (contract, <20 hrs/week) to create and review advanced physics content that improves AI reasoning; requires a PhD in Physics and pays $80–$90/hr. Work focuses on text-based generation and evaluation tasks.

Use your PhD-level statistics expertise to write, review, and explain model responses that teach AI systems; part-time remote contract paying $90–$120/hr for an estimated 1–3 month project with flexible hours.

Join OpenTrain as a remote Chemistry AI Training Reviewer to write and rate advanced chemistry responses, create golden-reference answers, and improve model behavior — part-time contract paying $80–$90/hr for an estimated 1–3 month engagement.

Record, transcribe, and rate German voice interactions for a next‑generation AI assistant on your Mac; $38/hr, 20+ hours/week, fully remote and contractor-friendly. Ideal for native German speakers with strong transcription attention to detail.

Design grading rubrics and score AI and human consulting deliverables with evidence-based written justifications. Remote contractor role, 20+ hours/week, pay $150–$220/hr working for OpenTrain AI on evaluation and quality tasks.

Join OpenTrain as an AI Safety Red Team Specialist testing conversational models with adversarial prompts and jailbreaks; remote, 20+ hrs/week, $20–$22/hr. Requires expert red-teaming experience and native fluency in English and Punjabi.

Join OpenTrain as an AI Safety Red Team Specialist to adversarially test conversational models, document reproducible jailbreaks and misuse cases, and help make AI safer. Part-time contract, 20+ hrs/week, $20–$22/hr; native fluency in English and Assamese required.

Join OpenTrain as an AI Safety Red Teamer probing conversational models for jailbreaks, prompt injections, and misuse. Remote contractor role, 20+ hrs/week, $20–22/hr; native fluency in English and Odia required.

Join OpenTrain AI to adversarially test conversational models, surface vulnerabilities, and produce reproducible attack cases; remote contractor work paying $20–$22/hr for experienced red teamers fluent in English and Bengali.

Design clear, unambiguous rating guidelines and rubrics for RLHF projects spanning finance, retail, insurance, legal, and sports. US-based contractors must commit to a consistent weekday schedule (min. 35 hrs/week); pay $45–$65/hr.

OpenTrain seeks an expert marketing professional to evaluate AI model outputs, write grounded solutions, and design scoring rubrics for brand strategy and growth marketing tasks. This part-time contractor role is US-only, remote, and requires 20+ hours/week with pay of $60–$80/hr.

Join OpenTrain to evaluate AI and human accounting deliverables—score reconciliations, close packages, financial statements, and workpapers with defensible written rationales; remote contractor role, 20+ hrs/week, $130–$160/hr USD.

Evaluate AI-generated and human B2B sales work: design grading criteria, score samples, and write evidence-based justifications. Expert role, 20+ hrs/week, remote worldwide, $100–$150/hr (USD), contractor, part-time.

Join OpenTrain as a remote Data Annotation Generalist working 20+ hours/week on English text classification projects; entry-level contributors with strong attention to detail and communication skills are encouraged to apply for $30–$80/hr (USD).

Join OpenTrain AI as a Video Annotation AI Trainer to label short video clips for model training—work remotely 20+ hours/week and earn $40–$80 per hour while building a verifiable portfolio in a fast-growing field.

Label short video clips for event classification and precise timestamping in a flexible, remote contractor role. Work 20+ hours/week with pay from $40–$80/hr, using strong attention to detail and English to produce high-quality training data.

Join OpenTrain as a Video AI Training Specialist to analyze, annotate, and evaluate video data that helps shape next-gen AI. Remote, contract role paying $65–$80/hr for 20+ hours/week; no prior AI experience required if you have professional video production skills.

Use deep insurance expertise to evaluate and improve generative AI outputs across underwriting, claims, and risk assessment. This remote contract pays $60–$80 per hour and requires prior LLM evaluation experience.

Join OpenTrain to evaluate retail-focused AI model outputs, shape scoring rubrics, and write domain-grounded feedback — contract work for experienced retail professionals paying $60–$80/hr. US-based candidates with deep merchandising, category, or operations expertise are encouraged to apply.

Lead evaluation of AI outputs for patient access and front-end revenue cycle workflows; part-time US contractor role paying $80/hr for 20+ hours/week. Apply expertise in registration, insurance verification, EHRs, and SOP development to improve AI-driven healthcare processes.

Review AI-generated patient financial communications and payment recommendations to ensure accuracy, compliance, and effective revenue recovery. Remote, contractor role at $92/hr for US-based candidates with 5+ years in patient collections and leadership experience.

Join OpenTrain AI as a US-based Medical Coding AI Evaluation Lead — remote contractor, 20+ hrs/week at $80/hr — evaluate AI-generated ICD-10, CPT/HCPCS, and DRG coding, lead audits, and improve coding accuracy and revenue integrity.

Lead clinical review of prior authorisation workflows and AI recommendations, annotating cases against InterQual, MCG, and payer rules to improve model performance. Part-time contractor role for US-based clinicians and prior-authorisation leaders — 20+ hrs/week at $105/hr.

Join OpenTrain as a part-time contractor reviewing AI-generated denial appeals, root-cause analyses, and prevention recommendations for healthcare revenue cycle workflows; US-based, 20+ hrs/week, $70–$93/hr.

Review and rate AI-generated financial counseling, Medicaid and charity care screening, and patient communications for healthcare revenue cycle workflows. US-based contractors, 20+ hrs/week, $135/hr; requires 5+ years in patient financial counseling and 2+ years leadership.

Join OpenTrain as a Healthcare Payment Variance AI Specialist reviewing AI underpayment alerts, reconciling managed care contracts, and preparing recovery correspondence; contractor, 20+ hrs/week, $85/hr (US-based, English required).

OpenTrain AI is hiring a remote Healthcare Cash Posting AI Evaluation Manager to evaluate AI-generated ERA/835 posting, payment matching, and reconciliation outputs; contract, 20+ hours/week at $85/hr. US applicants with 5+ years in cash posting and revenue cycle management preferred.

Join OpenTrain to label network logs, configs, telemetry, and incident patterns that train autonomous networking AI; remote contractor work paying $50–$70/hr. Ideal for experienced Level 3/Tier 3 engineers with hands‑on Wi‑Fi and packet‑analysis skills, 30–40 hrs/week (min 20+).

Join OpenTrain AI to help build clinician-informed benchmarks for evaluating chatbot safety with adolescents. Expert clinicians will write realistic case scenarios, refine rubrics, and rate AI conversations for suicide risk, therapeutic impersonation, and parasocial attachment.

Join OpenTrain as a contract Biology AI Safety Expert to write specialized prompts and evaluate model responses for scientific accuracy and biosecurity. Part-time (20+ hrs/week), US-based role paying $65–$70/hr; PhD in biology or related field required.

Remote US contract for senior RNs or MDs to evaluate AI-generated utilization management, medical-necessity, and care-coordination outputs; $100–$150/hr, typically ~20 hours/week. Provide clinical review, apply InterQual/MCG/Milliman criteria, and annotate outputs to improve AI training datasets.

Join OpenTrain AI as a Healthcare Revenue Integrity AI Evaluator at $88/hr, reviewing AI charge-capture outputs and providing structured feedback to improve billing accuracy. This US-based, remote contractor role requires 5+ years in charge capture and 20+ hours/week.

Help evaluate AI-generated CDI suggestions and coding recommendations to improve documentation accuracy and train healthcare AI systems. Remote (US), contractor role — 20+ hrs/week at $84/hr for experienced CDI leaders and clinical coders.

OpenTrain AI seeks an experienced Insurance Verification AI Evaluation Specialist to review AI-generated eligibility results, verify coverage via payer portals and EDI 270/271, and improve revenue-cycle automation; remote (US), $105/hr, 20 hrs/wk.

PhD-level chemists needed to write prompts, evaluate AI responses for scientific accuracy and safety, and classify sensitive chemistry conversations. Flexible part-time contract (15–40 hrs/week), immediate start, $65–$70/hr, US-based remote work.

Join OpenTrain as a Revenue Cycle AI Reviewer to evaluate AI-generated revenue cycle analyses, payer strategies, and automation ideas for healthcare organizations. Expert-level, remote contract work at $162/hour with a 20+ hour/week commitment.

Seeking expert chemists to evaluate frontier AI reasoning on retrosynthesis, mechanisms, spectra, and literature — 20+ hrs/week contract at $80–$110/hr, remote within the US. Work with a small program team to author problems, review papers, and surface expert failure modes.

Join OpenTrain AI to design and review technical multiple-choice questions and rubrics that train and evaluate electrical-engineering models. Remote, asynchronous contractor work at $60–$80/hr for 20+ hours/week, focused on technical accuracy and pedagogical quality.

Join OpenTrain as an Italian-language AI Reviewer: a remote contractor role for Italy-based contributors to evaluate and improve AI-generated Italian text. Earn up to $37/hour on a 20+ hrs/week schedule producing ratings, edits, and clear corrective explanations.

Join OpenTrain to train next-generation coding assistants by running, evaluating, and documenting agent-driven software workflows. Part-time remote contract work (20+ hrs/week) paying $70–$126/hr for hands-on technical testing, code review, and process documentation.

Join OpenTrain as a Social Media AI Training Expert to review and craft AI-generated social content, rate model outputs, and write precise feedback; contractor work at $30–$55/hr for 20+ hours/week. Ideal for senior social strategists with 5+ years of brand experience who want flexible, remote AI-tr

Join OpenTrain AI as a Radiology AI SME to evaluate and create expert radiology content for AI models — part-time contract, 20+ hrs/week, paid hourly ($50–$120/hr, typical $120/hr). You'll review model outputs, write gold-standard answers, and ensure clinical safety and imaging accuracy.

Join OpenTrain AI to evaluate and improve AI-generated physics solutions — review reasoning, find subtle errors, and write clear model answers. Expert-level physicists can work 20+ hrs/week as contractors at $70/hr to shape how models solve advanced physics problems.

Join OpenTrain AI as a remote Paralegal AI Evaluation SME to review AI-generated legal support responses and produce gold‑standard paralegal deliverables. Part-time contractor (20+ hrs/week), $20–$50/hr, English required — eligible candidates listed by country.

Lead QA for legal AI outputs at $120/hr, 20+ hrs/week, reviewing legal explanations, contract analyses, policy interpretations and compliance guidance while supporting remote trainer teams. Join OpenTrain to shape how legal AI is trained and improve QA processes and onboarding.

Join OpenTrain as an iOS Code Review and AI Training Engineer: review AI-generated iOS code, write reference answers, and rate model responses. Contract role, $110/hr, 20+ hours/week, remote (listed countries), English required.

Review AI-generated Vue and Nuxt code, rate model responses, and create high-quality reference implementations to teach models best frontend practices. Remote contract, ~20 hours/week for ~8 weeks, country-specific pay up to $90/hr.

Help improve AI-generated Ukrainian content by rating outputs, writing gold-standard rewrites, and giving clear English feedback. Remote contractor role for applicants in Ukraine, part-time (20+ hrs/week), up to $20/hour, hiring up to 100 contributors.

Work remotely as an Ubuntu/Linux AI Data Trainer, contributing structured text data to AI model training for under 20 hours/week. Pay is hourly ($10–$20/hr); you'll install tools on Ubuntu, follow written procedures, record actions, and ensure high-quality submissions.

Join OpenTrain as a remote Tax and Audit AI Training Expert reviewing AI-generated tax and audit responses, creating gold-standard solutions, and rating model outputs. Expert accounting/audit experience (5+ years) and strong English are required; pay ranges $40–$80/hr.

Review AI-generated Swift and iOS code for correctness, maintainability, performance, and UI logic quality. Work remotely for about 20 hours per week at $55 per hour on a flexible 1–3 month contractor project.

Lead SQL quality reviews for AI training: review AI-generated queries, schemas, and analytics reasoning, give clear written feedback, and maintain QA docs. Remote US contract, up to $70/hr, 20+ hours/week.

Join OpenTrain AI as a remote Spanish Translation and Evaluation Expert: review and generate Spanish/English AI outputs, apply MQM/LQA and localization judgment, and fact-check content for 20+ hrs/week; contractor pay $25–$35/hr.

Experienced SEO and digital marketing specialists: evaluate and create AI-generated marketing outputs, build prompts and gold-standard briefs, and rate model reasoning for $30–$65/hr in a 20+ hours/week contractor role with OpenTrain AI. Remote applicants from listed countries welcome.

Review and improve AI-generated Scala code, system designs, and technical explanations as a remote contractor earning $70 per hour. Use your JVM, concurrency, and distributed-systems expertise to shape next-generation AI models.

Remote contract role reviewing AI-generated Rust code, writing model solutions, and providing expert feedback at $60/hr for 20+ hours/week. Join OpenTrain AI to shape how Rust-capable models reason about ownership, lifetimes, concurrency, and idiomatic style.

Review AI-generated Ruby and Rails code, write clear technical explanations, and create model solutions in a remote contract role paying $55/hr for 20+ hours/week. Ideal for experienced Ruby/Rails engineers with strong writing skills and familiarity with LLM outputs.

Join OpenTrain AI as a Romanian Language AI Reviewer to evaluate and rewrite AI-generated Romanian text, create gold-standard references, and rate model responses. Remote contract work for Romania, up to $20/hr, ~20+ hours/week, English used for guidelines and feedback.

Join OpenTrain AI to review and create expert risk-management content used to train and evaluate AI models—work remotely as a contractor 20+ hours/week and earn $50–$90/hr. Ideal for seasoned ERM, compliance, or audit professionals who can judge reasoning, control design, and mitigation plans.

Join OpenTrain to review AI-generated React Native code, write reference implementations, and evaluate model answers for correctness and performance. Contract, part-time role at $100/hr (20+ hrs/week), remote for listed countries, English required.

Contractor role reviewing AI-generated React and Next.js code, producing reference solutions and rating model responses; fully remote, 20+ hrs/week at $90/hr. Help improve AI training content for advanced frontend engineering topics.

Join OpenTrain to evaluate and improve AI-generated Python solutions: a senior contractor role requiring 7+ years of Python production experience, C1 English and C1 Chinese, 20+ hours/week at $60/hr. You'll review code, write exemplar solutions, and score model responses.

Remote contract role reviewing AI-generated public-health answers, writing gold-standard explanations, and rating model outputs for correctness, safety, and reasoning; 20+ hrs/week, $45–$70/hr (country-based).

Short-term remote contract reviewing AI-generated PR and communications outputs and producing gold-standard press materials and comms plans; part-time (20+ hrs/week) at $40–$70/hr for experienced PR professionals.

Review and rate AI-generated Portuguese responses, write clear model solutions, and apply localization expertise to ensure accuracy and cultural nuance. Part-time contractor role, fully remote, based in Brazil; up to $30/hour and 20+ hours per week.

Join OpenTrain AI to review and improve Polish AI outputs — create gold-standard answers, rate model responses, and flag errors. Remote contractor role: 20+ hrs/week at $30/hr (USD); native/near-native Polish and strong English required.

Work with OpenTrain AI to evaluate AI-generated PHP backend code, write reference implementations, and provide structured feedback that improves model behavior; $60/hr, 20+ hours/week, contractor role available to applicants in listed countries.

Join OpenTrain AI as a remote contractor to review and create gold‑standard pharmacy responses that improve AI clinical reasoning; expert pharmacists with PharmD/BPharm and 5+ years’ experience, C1 English, $35–65/hr, 20+ hrs/week. Work includes rating, writing, and RLHF-style evaluation.

Join OpenTrain AI as a remote Nurse Subject Matter Expert reviewing and authoring AI-generated nursing content. Part-time contractor work (20+ hrs/week) paying $40–$65/hr; requires active RN credential, 3–5+ years clinical experience, and C1 English.

Lead QA for Norwegian AI training: review AI-generated Norwegian content and trainer QA work, provide clear written feedback, and support onboarding and process improvements. Remote contractor, 20+ hrs/week at $60/hr; Norwegian and English required.

Join OpenTrain as a contractor reviewing AI-generated medical responses: use your clinical reasoning to fact-check, rank, and write model solutions. Remote, part-time role at $90/hr (20+ hrs/week) for English-proficient medical professionals.

Join OpenTrain to review, rate, and write AI-generated mechanical engineering solutions in a remote contractor role paying up to $70/hour. Requires an engineering degree, strong fundamentals in mechanics and related subjects, C1 English, and 20+ hours/week availability.

Join OpenTrain AI to evaluate and improve AI-generated mathematical answers — $70/hr, 20+ hours/week, remote (selected countries). Ideal for MS/PhD-level mathematicians who can spot errors, write clear model solutions, and rate reasoning quality.

Review AI-generated market research outputs and produce gold-standard briefs, surveys, and insight syntheses in a remote, hourly contractor role. Part-time (20+ hrs/week), US$30–65/hr; requires 5+ years in market research and C1 English.

Review and localize Mandarin AI responses, evaluate reasoning and adherence to prompts, and write clear model solutions for higher-quality outputs. Contractor role for Singapore and Hong Kong residents, 20+ hrs/week at $40/hr.

Join OpenTrain as a Malay Language Reviewer to evaluate and rewrite AI-generated Malay text, working 20+ hours/week remotely from Malaysia at USD 20/hr; create gold answers, rank model responses, and give clear corrective feedback in Malay and English.

Join OpenTrain as a Legal Research AI Evaluation SME to review and rate AI-generated legal research, create gold-standard memos, and provide precise written feedback; hourly contract work (20+ hrs/week), remote across multiple countries with advertised rates up to $110/hr.

High-paying remote contract role reviewing AI-generated legal analyses: $115/hr, 20+ hrs/week. Use your law training to evaluate, rank, fact-check, and write clear feedback that improves AI legal reasoning.

Join OpenTrain AI to evaluate and improve AI-generated Kotlin code and explanations. Work remotely as a contractor writing expert corrections, model solutions, and high-quality feedback to shape LLM coding behavior.