Looking for AI training or data labeling work as someone located in Luxembourg? These roles explicitly accept applicants in that country, although eligibility can vary by posting. OpenTrain is the hiring organization, candidates apply through OpenTrain, and OpenTrain may place or refer successful candidates to the client whose project they will support.
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.
Posted Aug 4, 2026
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.
Posted Aug 4, 2026
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.
Posted Aug 4, 2026
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.
Posted Aug 4, 2026
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.
Posted Aug 4, 2026
Review and correct Spanish (Spain) machine-generated transcriptions, add metadata, and improve language datasets used to train next-generation AI. Work remotely with flexible hours at $10–$20 per hour.
Posted Aug 4, 2026
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.
Posted Aug 4, 2026
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.
Posted Aug 4, 2026
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.
Posted Aug 4, 2026
Review real AI-assisted STEM research sessions and evaluate reasoning, technical depth, and outputs. Remote contractor work pays $80-$100 per hour and requires 20+ hours per week.
Posted Aug 4, 2026
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.
Posted Aug 4, 2026
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.
Posted Aug 4, 2026
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.
Posted Aug 4, 2026
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.
Posted Aug 4, 2026
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.
Posted Aug 3, 2026
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.
Posted Aug 3, 2026
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.
Posted Aug 3, 2026
Apply your certified personal-training expertise to review fitness programs, exercise guidance, and safety protocols for AI training. This remote contractor role offers flexible part-time work at $25–$40 per hour.
Posted Aug 3, 2026
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.
Posted Aug 3, 2026
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.
Posted Aug 3, 2026
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.
Posted Aug 3, 2026
Review physics solutions and AI-generated scientific reasoning for correctness, rigor, and clear methodology. This flexible, worldwide contract role offers less than 20 hours per week at $80–$150 per hour.
Posted Aug 3, 2026
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.
Posted Aug 3, 2026
Evaluate advanced AI-generated physics reasoning using expert scientific judgment, rigorous written analysis, and tools such as Python, SymPy, LaTeX, and Jupyter. This worldwide, part-time contract pays $80–$160 per hour.
Posted Aug 3, 2026
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.
Posted Aug 3, 2026
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.
Posted Aug 3, 2026
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.
Posted Aug 3, 2026
Create high-fidelity Brazilian Portuguese recordings that help train next-generation AI systems. This remote contractor role pays $20–$40 per hour and offers flexible work of 20+ hours per week.
Posted Aug 3, 2026
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.
Posted Aug 2, 2026
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.
Posted Aug 2, 2026
AI training is human work that helps prepare and review examples used by artificial-intelligence systems. Depending on the role, tasks can include labeling images or video, transcribing or recording audio, writing or rating model responses, evaluating search results, translating text, reviewing code, or applying subject-matter knowledge. For applicants located in Luxembourg, the individual posting determines whether the role is eligible, along with its responsibilities and other requirements.
OpenTrain is the hiring organization for the roles published on OpenTrain, including roles that accept applicants located in Luxembourg. Candidates apply through OpenTrain. OpenTrain may place or refer successful candidates to the client whose project they will support. Review each individual live posting for all role-specific details.
