Looking for Generative AI & RLHF work? These roles can involve shaping and assessing model behavior through human review of prompts and outputs. OpenTrain is the hiring organization, candidates apply through OpenTrain, and OpenTrain may place or refer successful candidates to the client whose project they support.
Use advanced chemistry expertise to review, compare, and improve AI-generated answers. This expert contractor role pays $70 per hour and requires 20+ hours per week.
Posted Jul 8, 2026
Lead quality review for AI-generated chemical engineering content, calculations, process reasoning, and contributor submissions. This remote U.S. contractor role pays up to $105 per hour and seeks expert-level experience.
Posted Jul 8, 2026
Evaluate advanced AI-generated chemical engineering content remotely for $40-$100 per hour. Use your process, safety, and engineering judgment on a flexible contract project requiring 20+ hours weekly.
Posted Jul 8, 2026
Evaluate AI-generated astronomy and space science responses, calculations, and explanations for accuracy, assumptions, uncertainty, and sound reasoning. This remote contract role offers 20+ hours per week and rates of $40 to $100 per hour depending on location.
Posted Jul 8, 2026
Review AI-generated biomedical engineering content and trainer QA work for calculations, safety, standards, regulatory context, and rubric adherence at $105 per hour. This remote, part-time US contractor role requires 20+ hours weekly.
Posted Jul 8, 2026
Review AI-generated biology content and trainer QA work as a remote Biology Quality Assurance Lead. Apply your scientific expertise to improve accuracy, safety, reasoning, and rubric adherence for up to $75/hour.
Posted Jul 8, 2026
Use advanced biology expertise to evaluate AI-generated responses, fact-check claims, and write scientifically sound model solutions. This remote contract offers ongoing work at a listed rate of $70 per hour.
Posted Jul 8, 2026
Review AI-generated astronomy and astrophysics content for scientific accuracy, mathematical consistency, and rubric adherence. This remote US contractor role offers 20+ hours per week and rates up to $110/hour.
Posted Jul 8, 2026
Review AI-generated architecture and design work, guide remote QA teams, and improve project standards across built-environment topics. This US-based contract role offers up to $75/hour and requires 20+ hours weekly.
Posted Jul 8, 2026
Review and improve Arabic-English AI responses, create bilingual training examples, and apply detailed evaluation rubrics. This remote contractor role offers $15 per hour and 20+ hours weekly.
Posted Jul 8, 2026
Review AI-generated anthropology content and expert submissions for accuracy, cultural sensitivity, and methodological rigor at $65 per hour. This remote, part-time contractor role offers 20+ hours per week for US-based anthropology specialists.
Posted Jul 8, 2026
Use your advertising expertise to evaluate AI-generated campaigns, write high-quality ad variations, and improve model reasoning. This remote, part-time contractor role pays $35 to $70 per hour and requires 20+ hours weekly.
Posted Jul 8, 2026
Help improve generative AI by evaluating, ranking, rewriting, and annotating Latin-English text. This remote contractor role offers an $8,000 fixed-price project for detail-oriented language reviewers.
Posted Jul 6, 2026
Use your UI/UX expertise in a worldwide contract opportunity focused on user-centered product design, design systems, and usability. The $100 fixed-price engagement includes an AI interview assessing your design judgment and experience.
Posted Jun 15, 2026
Evaluate Korean and English AI-generated content for safety, policy compliance, reasoning quality, and factual accuracy. This remote contract pays $28-$38 per hour for 20+ hours weekly.
Posted Apr 3, 2026
Review Japanese and English AI-generated content, evaluate safety and reasoning, and provide clear feedback for safer model behavior. This remote contract offers 20+ hours per week at $27-$31 per hour.
Posted Apr 3, 2026
Evaluate and red-team large language models in Hebrew and English, documenting safety failures and policy gaps. This fully remote contractor role pays $26-$38 per hour for 20+ hours weekly.
Posted Apr 3, 2026
Work remotely as a French and English AI Safety LLM Evaluator, reviewing model responses, red-teaming safety boundaries, and creating evaluation data. Earn $24 to $36 per hour while helping improve safer AI systems.
Posted Apr 3, 2026
Review and improve French-language AI responses as a remote, hourly contractor. Use expert judgment in French linguistics, reasoning quality, editing, and bilingual communication while earning $16 to $26.50 per hour.
Posted Apr 3, 2026
Evaluate AI-generated content and safety decisions in Spanish and English as a remote contractor earning $14-$24 per hour. Use red-teaming, policy judgment, and clear analytical feedback to help improve safer AI systems.
Posted Apr 3, 2026
Evaluate AI-generated content in Arabic and English, identify unsafe or adversarial behavior, and provide clear feedback for safer language models. This fully remote contractor role offers $15-$40 per hour with a 20+ hour weekly commitment.
Posted Apr 3, 2026
Review and improve Arabic-English AI responses, assess reasoning and factual accuracy, and write model solutions in a flexible remote contractor role paying $6-$12 per hour.
Posted Apr 3, 2026
Use your biology expertise to evaluate AI-generated responses, fact-check scientific reasoning, and write clear model explanations. This worldwide contractor role pays $25 to $55 per hour, with a listed rate of $45 per hour.
Posted Apr 3, 2026
Build and refine LLM-powered automation workflows as an intermediate AI Workflow Engineer. Evaluate outputs, design prompts, and improve communication and content automation for $15 to $45 per hour.
Posted Mar 29, 2026
Use advanced Python and statistical expertise to create and validate challenging research-style problems for AI training. This remote contractor role offers flexible part-time work at $15-$60 per hour.
Posted Mar 29, 2026
Create original, research-style mathematics problems and verify them computationally in Python for AI training. This expert contractor role offers flexible remote work for 20 or more hours weekly at listed rates of $15 to $60 per hour.
Posted Mar 29, 2026
Review text prompts and AI-generated responses, rating accuracy, relevance, clarity, and safety. This entry-level, part-time contractor role offers worldwide work in Bengali and English for $5 per hour.
Posted Feb 22, 2026
Create realistic evaluation scenarios that test how LLM-based agents handle real-world tasks. This fully remote, part-time contractor role pays $18 to $24 per hour and requires strong English, QA thinking, and basic Python and JavaScript.
Posted Jan 13, 2026
Review and improve AI-generated Hebrew and English responses as a bilingual language expert earning $32 per hour. Use linguistic QA, fact-checking, and rubric-based evaluation skills in a flexible, part-time remote contract.
Posted Dec 26, 2025
Use Python and mechanical engineering expertise to create and verify demanding simulations and numerical solutions that help train advanced AI models. This flexible, part-time contract pays $10 to $45 per hour.
Posted Dec 12, 2025
Generative AI and reinforcement learning from human feedback work uses people’s judgments to help prepare and evaluate AI systems. Depending on the individual role, you may write prompts, compare and rank model responses, review generated content, identify weaknesses through red-teaming, or assess whether outputs meet the stated task. The work can also involve documenting judgments or applying defined criteria to model responses. Read each live posting carefully because responsibilities and requirements are specific to that role.
OpenTrain hires for the public roles available through its site. Candidates apply through OpenTrain, and OpenTrain may place or refer successful candidates to the client whose project they will support. The individual posting is the source of truth for the role’s eligibility, responsibilities, qualifications, experience, pay, hours, schedule, location rules, and any client-specific requirements.
