Find remote AI training and data labeling jobs open to applicants in Luxembourg.
Create realistic retail planning tasks and evaluate AI model responses using your expertise in merchandising, category management, allocation, and retail math. This 12-week contract offers flexible part-time work with at least four hours per day.
Posted Oct 27, 2026
Create workplace scenarios, solution sets, and scoring rubrics for AI training in marketing, media, and content. This 12-week contractor role requires at least 4 hours a day, up to 40 hours a week, and four hours of PST overlap.
Posted Oct 27, 2026
Design multi-step computational life sciences tasks that test AI agents on scientific data, code, troubleshooting, and valid results. This remote five-week contractor assignment pays $280 per approved task.
Posted Oct 27, 2026
Use your B2B sales, account management, or customer success experience to evaluate scenarios and model responses for AI training. Work 20 or more hours weekly, with PST overlap, and apply through OpenTrain.
Posted Oct 27, 2026
Review AI-generated conversations against safety policies and write clear, evidence-based evaluations. This flexible, remote contract is open worldwide and is suitable for entry-level applicants with excellent English and close-reading skills.
Posted Oct 27, 2026
Work as a Multimodality Quality Analyst reviewing text and large language model outputs, researching claims, and explaining decisions. This worldwide, part-time contractor role requires 20+ hours per week and strong English skills.
Posted Oct 24, 2026
Lead a pod of technical trainers creating and reviewing terminal-based materials science tasks for AI training. This four-week contractor assignment requires advanced scientific expertise, programming skills, and at least 40 hours per week.
Posted Oct 23, 2026
Lead a pod of 5 to 10 technical trainers creating and reviewing terminal-based computational materials science tasks for AI evaluation. This remote contractor assignment lasts four weeks and requires advanced materials expertise, programming, and Linux skills.
Posted Oct 23, 2026
Lead AI training reviews for computational materials science, evaluating simulations, scientific code, and model outputs. The role requires advanced materials expertise, programming skills, and at least 40 hours per week with PST overlap.
Posted Oct 23, 2026
Evaluate large language model responses by writing challenging prompts, spotting reasoning and factual errors, and giving evidence-based feedback. This worldwide, part-time contract role requires 20+ hours each week, fluent written English, a relevant master's degree, and three years of experience.
Posted Oct 23, 2026
Lead a pod evaluating mathematical terminal tasks for correctness, reproducibility, grading quality, and scientific rigor. This remote, four-week contractor role requires 20+ hours weekly and advanced mathematics experience.
Posted Oct 23, 2026
Review AI-generated conversations for safety, accuracy, and policy compliance, then rate responses and explain your decisions. This remote, part-time contract role requires professional English and 20 or more hours each week.
Posted Oct 23, 2026
Work on Image Annotation QA by reviewing language model answers, checking facts, and writing detailed feedback. This worldwide, part-time contract role requires strong English and 20+ hours per week.
Posted Oct 23, 2026
Classify short AI-generated audio clips by instrument family and specific instrument. This remote, part-time contract role is open worldwide and suits music professionals with a trained ear.
Posted Oct 23, 2026
Create stylized 3D models and digital assets from briefs and references in a remote 8 to 10 week project. Use materials, lighting, rendering, and optimization skills while working part time or up to 40 hours weekly.
Posted Oct 22, 2026
Review AI-generated responses for relevance, accuracy, helpfulness, and personalization. This remote 16-week project pays $25 per hour for 20 hours weekly, with eligibility for up to 40 hours.
Posted Oct 22, 2026
Evaluate large language model responses using business-analysis expertise, create challenging prompts, and write detailed feedback. This remote contract role expects 20+ hours weekly, excellent English, a relevant master’s degree, and three years of experience.
Posted Oct 20, 2026
Evaluate AI-generated business analysis responses, create difficult test prompts, and explain factual or reasoning errors. This part-time contractor role is worldwide, requires English fluency, and involves 20+ hours weekly.
Posted Oct 20, 2026
Help improve large language models by creating analytical scenarios, checking claims, evaluating answers, and writing detailed feedback. This entry-level remote role requires 20+ hours per week, strong English skills, and careful logical reasoning.
Posted Oct 20, 2026
Create advanced, non-code scientific reasoning tasks and expert reference answers for AI evaluation. This remote, part-time contract requires strong life sciences research experience and fluent English.
Posted Oct 20, 2026
Design complex computational life sciences tasks that test how AI agents inspect data, write code, troubleshoot, analyze results, and explain scientific findings. This remote five-week contractor assignment pays $300 per approved task.
Posted Oct 17, 2026
Research difficult questions, build answerable AI benchmark tasks, and test language models for weaknesses. This contract role is open worldwide, requires fluent English, and involves 20 or more hours per week.
Posted Oct 17, 2026
Compare short audio and video clips, then choose the option that best matches each query. This entry-level role is open worldwide, requires English proficiency, headphones, and 20+ hours per week.
Posted Oct 17, 2026
Review nutrition and dietary data for AI systems by checking food details, dietary patterns, and nutrition content for accuracy, safety, and relevance. This flexible contract role requires biology or a related background and 20+ hours per week.
Posted Oct 17, 2026
Evaluate AI-generated nutrition content and label dietary data for models used in nutrition tracking, coaching, and research. This remote, eight-week contractor assignment is open worldwide, requires English fluency, and needs 20+ hours per week.
Posted Oct 17, 2026
Lead a pod of technical trainers creating and reviewing realistic mechanical and aerospace engineering tasks for AI evaluation. This remote contractor assignment lasts about four weeks and requires strong simulation, programming, and technical review skills.
Posted Oct 16, 2026
Lead remote AI training work built around mechanical design, CAD/CAE, simulation, testing, and failure analysis. Create verifiable engineering problems and evaluate AI systems against real physical criteria.
Posted Oct 16, 2026
Evaluate chatbot responses against business requirements and defined criteria for accounting and finance applications. This remote, 16-week project requires 20+ hours weekly across five working days.
Posted Oct 15, 2026
Manage contributor capacity, resource planning, tracking systems, and chatbot evaluation across AI training projects. This remote, project-based freelance engagement runs for 16 weeks and requires 20 or more hours per week.
Posted Oct 15, 2026
Review computer-using AI agent responses, research claims, solve reasoning tasks, and write clear feedback. This worldwide, part-time contract role requires strong English and offers 20+ hours per week.
Posted Oct 15, 2026
AI training and data labeling work can involve preparing or reviewing examples for artificial-intelligence systems. Depending on the project, this may include annotating 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 live posting controls the responsibilities and eligibility for each role.
OpenTrain is the hiring organization for the public roles represented on OpenTrain. Candidates apply through OpenTrain, and OpenTrain may place or refer successful candidates to the client whose project they will support. The individual live posting provides the role-specific information for each opportunity.
