Find remote AI training and data labeling jobs open to applicants in Luxembourg.
Review AI-generated responses and create French-English safety evaluations as a fully remote contractor. Score outputs, write red-team cases, and help reduce unsafe model behavior for $24 to $36 per hour.
Posted Apr 3, 2026
Review and compare French-language AI responses, check reasoning and accuracy, and write clear corrections. This worldwide remote contractor role pays $16 to $26.50 per hour and requires a bachelor's degree plus French and English fluency.
Posted Apr 3, 2026
Review AI-generated content in Spanish and English, rate safety and reasoning decisions, and flag risky responses. This remote contract role pays $14 to $24 per hour and requires strong judgment and emotional resilience.
Posted Apr 3, 2026
Review AI-generated responses in Arabic and English, rate reasoning quality, and flag harmful or unsafe content. This fully remote contractor role pays $15-$40 per hour and requires 20 or more hours each week.
Posted Apr 3, 2026
Review and improve Arabic and English AI responses for reasoning quality, correctness, clarity, and factual accuracy. This fully remote contractor role pays $6-$12 per hour and requires a BA or BS.
Posted Apr 3, 2026
Evaluate AI-generated biology answers for accuracy, reasoning, and clarity, then write expert explanations and model solutions. This worldwide contractor role pays $25-$55 per hour and requires a biology bachelor's degree.
Posted Apr 3, 2026
Review AI-generated medical responses, check clinical facts, write strong healthcare answers, and rank model outputs for accuracy. This remote contractor role pays $25-$72 per hour for less than 20 hours per week.
Posted Apr 2, 2026
Help train and evaluate AI systems for infrastructure design, DevOps automation, reliability, and high-volume workflows. This worldwide contract role pays $15 to $45 per hour and requires 20+ hours weekly.
Posted Mar 29, 2026
Build and review advanced automation workflows, JavaScript logic, and AI-generated solutions for systems that use APIs and webhooks. This worldwide contract pays $15-$45 per hour and requires 20+ hours each week.
Posted Mar 29, 2026
Evaluate how AI systems design API integrations between CRMs, ad platforms, email tools, and databases. This worldwide contractor role pays $15-$45 per hour and requires 20+ hours weekly.
Posted Mar 29, 2026
Build, test, and improve large language model workflows for content, communication, and personalized outreach. This worldwide contractor role pays $15 to $45 per hour and requires at least 20 hours each week.
Posted Mar 29, 2026
Build and evaluate advanced self-hosted n8n workflows for AI training, integrations, scraping, and automation. This global contract pays $15-$45 per hour and requires 20+ hours each week.
Posted Mar 29, 2026
Use Zapier and Make.com to create, test, and improve workflow automation tasks that help train and evaluate AI systems. This part-time contract role offers 20+ hours per week and pays $15 to $45 per hour.
Posted Mar 29, 2026
Create and verify advanced Python problem sets for quantitative finance, covering stochastic processes, optimization, simulation, time series, and risk modeling. This worldwide contract role pays $15 to $60 per hour for 20+ hours per week.
Posted Mar 29, 2026
Design research-style computational statistics problems, verify solutions in Python, and document reproducible answers. This contract role requires a degree and offers $15 to $60 per hour.
Posted Mar 29, 2026
Create original biology research problems that require serious reasoning and Python-based verification. This worldwide, part-time contract pays $15-$60 per hour and suits professionals with a relevant degree.
Posted Mar 29, 2026
Create advanced computational and quantum chemistry problems, verify solutions with Python and chemistry libraries, and model real research workflows. This part-time contractor role requires a PhD and offers $15 to $60 per hour based on task complexity.
Posted Mar 29, 2026
Create challenging computational physics problems and verify reproducible Python solutions across mechanics, electromagnetism, thermodynamics, and quantum mechanics. This global, part-time contract role pays $15 to $60 per hour.
Posted Mar 29, 2026
Design original, research-style mathematics problems and verify complete solutions in Python. This part-time contract role requires an advanced mathematics background, a degree, and at least 20 hours per week.
Posted Mar 29, 2026
Create realistic mechanical engineering problem sets and fully verified Python solutions for AI training. This part-time contract role pays $15 to $50 per hour and requires at least 20 hours per week.
Posted Mar 29, 2026
Create and verify realistic electrical engineering problems, writing clear prompts and reproducible Python solutions. This worldwide contract role pays $15 to $50 per hour and requires an electrical engineering degree plus relevant experience.
Posted Mar 29, 2026
Design realistic civil engineering problems, write complete solutions, and verify them with Python. This part-time contractor role pays $15 to $50 per hour and requires 20+ hours each week.
Posted Mar 29, 2026
Build and manage Python scraping workflows for complex, JavaScript-heavy websites. This remote contractor role pays $20 per hour and requires 20 or more hours each week.
Posted Feb 26, 2026
Design realistic tests for AI agents, define expected behavior, and review model outputs in a structured writing role. Work worldwide for 20 or more hours per week at $18-$24 per hour.
Posted Jan 13, 2026
Transcribe short French recordings from France for $15 per hour, with about one hour of work each day and a flexible schedule. You will also flag unclear audio and mark segments that cannot be understood confidently.
Posted Jan 7, 2026
Create difficult mechanical engineering problems and verified Python solutions to train and evaluate advanced AI models. This part-time contract pays $10 to $45 per hour and requires advanced English and Python.
Posted Dec 12, 2025
Design difficult, realistic data science problems for AI training and evaluation. This part-time contract pays $50 per hour and requires advanced Python, SQL, statistics, machine learning, and technical writing skills.
Posted Dec 3, 2025
Test AI models and agents for security weaknesses, build repeatable red-team tools, and document clear findings. This remote contract pays $40 per hour for fewer than 20 hours per week.
Posted Nov 17, 2025
Segment recycling images in CVAT using polygon outlines and the Segment Anything tool. Start with a small assignment and earn more work by meeting speed and accuracy standards.
Posted Nov 11, 2025
Work remotely as an AI Red Team Engineer testing LLMs, agents, and RAG systems for security weaknesses. This contract role pays $40 per hour and requires C1 English plus hands-on cybersecurity experience.
Posted Oct 6, 2025
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.
