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.
Evaluate and attack AI models and agents to uncover security vulnerabilities, build reproducible tests, and improve LLM safety. This flexible remote contract role offers less than 20 hours per week and compensation up to $55 per hour.
Posted Nov 17, 2025
Review and score European Portuguese language data and AI outputs for quality, correctness, and guideline alignment. This flexible contract role offers less than 20 hours per week at $15 per hour.
Posted Nov 12, 2025
Review and score Italian-language AI outputs and text data for quality, correctness, and guideline alignment. This flexible contract role offers less than 20 hours per week at $17 per hour.
Posted Nov 12, 2025
Review and improve AI-generated chemistry answers for $80 per hour. Apply your chemistry expertise to evaluate reasoning, calculations, mechanisms, safety, and scientific writing in a flexible worldwide contract role.
Posted Oct 24, 2025
Use your biology PhD and research expertise to evaluate AI-generated responses for correctness, reasoning, methodology, and clarity. This worldwide contract role pays $80 per hour and offers part-time work through OpenTrain.
Posted Oct 24, 2025
Use your physics expertise to evaluate AI-generated solutions, identify subtle errors, and write rigorous exemplars for $80 per hour. This worldwide, part-time contractor role requires 17–20 hours weekly and strong scientific English.
Posted Oct 24, 2025
Use advanced mathematics expertise to evaluate AI-generated solutions, identify subtle errors, and write rigorous exemplars at $80 per hour. This flexible contract role includes paid qualification and project exams.
Posted Oct 24, 2025
Join OpenTrain as a part-time AI Red Team Engineer earning $40 per hour to test LLMs, agents, and RAG pipelines through adversarial security evaluations. Use penetration testing, automation, and LLM security expertise in a remote contract role.
Posted Oct 6, 2025
Use automotive engineering expertise and Python to evaluate AI prompts, calculations, design reasoning, and model responses. This flexible part-time contract pays $40 per hour and requires less than 20 hours weekly.
Posted Oct 1, 2025
Review and rate AI-generated text, compare responses, and flag safety issues using Mandarin and C1+ English. This remote Singapore contractor role pays $12 per hour for 20+ hours weekly.
Posted Sep 2, 2025
Help evaluate AI-generated elementary English Language Arts content against U.S. curriculum objectives in a flexible, fully remote contract paying $35 per hour. Choose the Expert or Standard Annotator track based on your classroom experience.
Posted Jul 31, 2025
Share your music knowledge and opinions in three AI-driven conversations about artists, genres, albums, and discovery. This flexible, entry-level project takes about 60 to 90 minutes and pays $6.65 per hour.
Posted Mar 11, 2025
Help improve AI chatbots by writing, editing, and rating responses in natural Singlish. This flexible Singapore-based contractor role pays $23 per hour for under 20 hours each week.
Posted Mar 7, 2025
Share your reading preferences, discuss U.S. books and authors, and evaluate AI-generated recommendations in three flexible chat sessions totaling 60 to 90 minutes.
Posted Mar 3, 2025
Create original, challenging prompt and response pairs from website screenshots for AI training. This part-time contractor role offers $21 per hour for native English writers in the US or Canada who can commit to 20+ hours weekly.
Posted Feb 4, 2025
Review 50-100 Mandarin electrical engineering question-and-answer pairs, verify responses against source documents, and assess citation support. This intermediate contract offers $40 per hour and approximately 20-40 hours of work.
Posted Feb 3, 2025
Use advanced Excel, VBA, Power Query, Power BI, and SQL knowledge to create and evaluate AI training data. This India-focused contractor project pays $23 per hour and requires 20+ hours weekly.
Posted Jan 2, 2025
Help train an obstetrics and gynecology AI chatbot by reviewing and refining medical content for accuracy, clarity, and accessibility. OpenTrain AI is seeking experienced OBGYN doctors for part-time contract work paying $100 per hour.
Posted Dec 12, 2024
Help improve language models by labeling 500 to 1,000 rows of English response data through a structured two-step human review and quality assurance process. Work remotely for $5 per hour, with technical or financial expertise valued.
Posted Oct 31, 2024
Use your Spain-based Spanish writing skills to create natural, culturally authentic chatbot responses for AI training. This remote contract pays $18.74 per hour and offers flexible part-time work.
Posted Aug 8, 2024
Create authentic Mandarin responses and refine AI-generated text in a flexible remote contract role supporting conversational AI training. Earn $15 per hour with a minimum commitment of 10 hours weekly.
Posted Jul 25, 2024
Use your Portuguese creative writing skills to craft authentic chatbot responses and improve AI-generated text. This remote contract role offers flexible hours for writers in Brazil and Portugal.
Posted Jul 23, 2024
Use your French creative writing expertise to craft authentic chatbot responses and improve AI-generated text. This remote contract role pays $27 per hour and offers flexible part-time work.
Posted Jul 23, 2024
Create culturally authentic Spanish dialogue and refine AI-generated text for conversational models. This remote contract role offers flexible work from Mexico or Chile at $8.21 per hour.
Posted Jul 23, 2024
Use your Italian creative writing expertise to shape more natural, culturally relevant AI chatbot conversations. This remote contract role pays $28 per hour and offers flexible part-time work.
Posted Jul 23, 2024
Create natural, culturally relevant Japanese dialogue that helps improve AI chatbot quality. This remote contract role pays $20 per hour and offers flexible part-time work.
Posted Jul 23, 2024
Use your Korean writing expertise to create culturally authentic chatbot responses and improve AI-generated text in a flexible remote contract role paying $17 per hour.
Posted Jul 23, 2024
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.
