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 quantum optics expertise to benchmark AI training work involving interferometry, squeezing, optical loss, and quantum noise. This remote contractor project offers approximately 10 hours per week for 8 to 10 weeks.
Posted Aug 2, 2026
Use advanced expertise in holography, AdS/CFT, and mathematical physics to review and adjudicate AI-generated solutions. Work remotely for 10 hours weekly over 8 to 10 weeks at $80 to $160 per hour.
Posted Aug 2, 2026
Use advanced Atomic Layer Deposition and semiconductor expertise to generate, structure, and evaluate training data for frontier AI models. This remote US contractor role pays $84 per hour and supports up to 40 hours weekly.
Posted Aug 2, 2026
Evaluate Spanish chatbot responses for realistic small business scenarios, from customer interactions to marketing and operations. Create prompts, compare outputs, and provide structured feedback in a flexible remote contract role.
Posted Aug 1, 2026
Probe conversational AI with jailbreaks, prompt injections, and multi-turn attacks while producing safety data and reproducible vulnerability reports. This remote contractor role supports 20+ hours per week at $48 to $62 per hour.
Posted Jul 31, 2026
Review, critique, and generate examples for AI model outputs in a flexible remote contractor role. Work 20+ hours weekly and earn $100 to $180 per hour.
Posted Jul 30, 2026
Use advanced semiconductor and microelectronics expertise to evaluate technical data, explain device physics, and help train next-generation AI systems. This flexible contract role offers 20+ hours per week at $66 to $130 per hour.
Posted Jul 30, 2026
Help train next-generation AI by solving advanced mechanical engineering problems and evaluating technical answers for accuracy, feasibility, manufacturability, and reliability. This worldwide, part-time contract pays $60-$100 per hour.
Posted Jul 30, 2026
Use your electrical engineering expertise to evaluate AI-generated circuit design answers across analog, digital, mixed-signal, power, and RF systems. This remote, project-based contractor role offers flexible work at up to $130 per hour.
Posted Jul 30, 2026
Use expert CAD and mechanical design knowledge to evaluate AI-generated engineering responses, solve advanced design problems, and improve AI reasoning. This remote contract offers flexible part-time work at $60-$130 per hour.
Posted Jul 30, 2026
Test conversational AI models and agents for jailbreaks, prompt injections, bias exploitation, and other safety risks. This expert-level remote contract pays $48 to $62 per hour for 20+ hours weekly.
Posted Jul 30, 2026
Probe conversational AI for jailbreaks, prompt injections, bias exploitation, and manipulation as an expert red team contractor. Work worldwide for $48 to $62 per hour, 20+ hours weekly, using English and Danish.
Posted Jul 30, 2026
Use expert adversarial testing to expose jailbreaks, prompt injections, bias, misinformation, and harmful behaviors in conversational AI. This remote contractor role offers $24-$35 per hour and about 40 hours per week.
Posted Jul 30, 2026
Help improve conversational AI by uncovering jailbreaks, prompt injections, bias risks, and other vulnerabilities. This remote contractor role offers 20+ hours per week at $29-$45 per hour for native English and Portuguese speakers.
Posted Jul 30, 2026
Probe conversational AI models and agents for vulnerabilities using adversarial testing, jailbreaks, prompt injections, and multi-turn manipulation. This remote, part-time expert contract pays $17 to $25 per hour.
Posted Jul 30, 2026
Test conversational AI for jailbreaks, prompt injections, bias, misuse, and multi-turn manipulation. This expert contract role offers 20+ hours weekly at $48-$62 per hour for native English and Dutch speakers.
Posted Jul 30, 2026
Probe conversational AI with jailbreaks, prompt injections, and bias tests while documenting vulnerabilities and systemic risks. This remote expert contract requires native English and Malay fluency and offers $17 to $25 per hour.
Posted Jul 30, 2026
Evaluate AI-generated and human-created data science work remotely at $100 to $150 per hour. Create grading criteria, assess complex deliverables, and provide evidence-based feedback through a flexible contractor role.
Posted Jul 29, 2026
Use your management consulting expertise to evaluate AI-generated and human-created consulting deliverables, develop grading criteria, and provide evidence-based feedback. This worldwide contract role offers 20+ hours per week at $100 to $150 per hour.
Posted Jul 29, 2026
Use senior civil engineering judgment to create realistic AI evaluation tasks, calculations, technical narratives, and rubrics for infrastructure and construction workflows. This worldwide freelance role pays $70-$80 per hour and requires 20+ hours weekly.
Posted Jul 29, 2026
Use senior electrical engineering judgment to create and evaluate demanding AI tasks across power systems, circuit design, embedded systems, and certification. This remote contract offers 20+ hours per week at $70-$80 per hour.
Posted Jul 29, 2026
Create realistic evaluation tasks that test AI systems on enterprise mechanical engineering, product design, manufacturing, and certification. This remote contract pays $70-$80 per hour and welcomes experts in ASME or ISO standards.
Posted Jul 29, 2026
Use advanced Excel, PowerPoint, and Word skills to evaluate AI-generated business documents, compare outputs, and provide feedback that improves next-generation AI. This remote contract offers 20+ hours per week at $20-$60 per hour.
Posted Jul 29, 2026
Use your microbiology expertise to evaluate and improve next-generation AI systems. This remote contractor role offers $70-$90 per hour, flexible part-time work, and 20+ hours weekly.
Posted Jul 29, 2026
Use your materials science expertise to review technical content, evaluate AI-generated answers, and create high-quality training data. This remote contract role offers 20+ hours per week and pays $80-$130 per hour.
Posted Jul 29, 2026
Use your aerodynamics and computational fluid dynamics expertise to review technical content, refine AI training materials, and translate complex engineering results into actionable knowledge. This worldwide contract role offers 20+ hours per week at $80-$130 per hour.
Posted Jul 29, 2026
Create realistic PowerPoint, Excel, and Word business tasks, collaborate with an LLM on Office Open XML files, and evaluate model-generated deliverables. This worldwide contract role offers 20+ hours per week and $20 to $60 per hour.
Posted Jul 29, 2026
Use your physics research expertise to evaluate and improve advanced AI systems remotely. This part-time contractor role offers 20+ hours per week and pays $70-$90 per hour.
Posted Jul 28, 2026
Use advanced neuroscience expertise to evaluate research, write clear explanations, and improve AI training materials. This remote contractor role offers flexible part-time work at $60 to $80 per hour.
Posted Jul 21, 2026
Use your molecular biology expertise to create scientific training data, evaluate AI-generated content, and improve model performance. This remote contractor role offers 20+ hours per week at $60-$80 per hour.
Posted Jul 21, 2026
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.
