Find remote AI training and data labeling jobs open to applicants in Luxembourg.
Review AI answers to sensitive explosives and energetic-materials questions, judging safety, accuracy, and appropriate boundaries. This remote contract requires professional explosives experience and is open to eligible applicants in select countries.
Posted Sep 16, 2026
Review AI answers about chemistry, toxicology, industrial hygiene, and chemical security. This remote contract pays $70 to $100 per hour and requires 20+ hours each week.
Posted Sep 16, 2026
Build, debug, refactor, and review open source software used in AI training. This remote contractor role pays $50 to $100 per hour, requires 20+ hours weekly, and is open to eligible applicants who work in English.
Posted Sep 15, 2026
Build and maintain large-scale data pipelines that support AI training systems. This remote contractor role pays $30 to $80 per hour and requires advanced Python, database, and distributed processing skills.
Posted Sep 15, 2026
Review child development data and evaluate AI outputs for developmental accuracy, cultural fit, and psychological soundness. This remote contractor role pays $100-$200 per hour and requires 20+ hours weekly.
Posted Sep 15, 2026
Build accessible, responsive interfaces for AI-related work as a remote contract Frontend UI Engineer. Use React, Vue, Angular, or similar tools for 20+ hours weekly at $30-$80 per hour.
Posted Sep 15, 2026
Analyze behavioral cues in text, audio, and video, annotate human interactions, and evaluate AI responses. This remote, part-time project pays $20-$70 per hour for about 20 hours weekly over eight weeks.
Posted Sep 15, 2026
Create and review difficult legal tasks, assess AI-generated responses, and improve contract and legal-document examples. This worldwide contractor role requires English, 20+ hours per week, and substantial legal experience.
Posted Sep 15, 2026
Create prompts and evaluate AI-generated answers against structured data and evidence. This remote, four-week contractor assignment requires strong written English, careful analysis, and a master's degree.
Posted Sep 15, 2026
Use your revenue operations and CRM systems experience to analyze connected SaaS tools, resolve policy and data conflicts, and document decisions for AI training. Remote contract work pays $45 to $90 per hour.
Posted Sep 15, 2026
Review AI-generated psychological content for accuracy, ethics, cultural sensitivity, and clinical fit. This remote contract pays $100 to $200 per hour and requires English plus one listed language.
Posted Sep 15, 2026
Use hands-on Salesforce, HubSpot, or similar CRM experience to review revenue-system rules, reconcile data, and guide AI training. This remote contractor role pays $35-$80 per hour and requires 20+ hours weekly.
Posted Sep 15, 2026
Use deep equity research expertise to review financial datasets, assess company models, and improve AI systems. This remote contractor role pays $175 to $300 per hour and requires 20+ hours each week.
Posted Sep 14, 2026
Use investment banking expertise to review financial research, valuation models, transaction analysis, and pitchbook materials for AI training. This remote contractor role pays $175-$300 per hour and requires at least 20 hours per week.
Posted Sep 14, 2026
Review and improve code-generation systems across Python, Java, Rust, C++, Go, and TypeScript. Work remotely for 20+ hours each week on coding tasks, code review, and AI model evaluation.
Posted Sep 14, 2026
Review short video and audio clips, check AI-generated descriptions, and give clear feedback that improves labeling quality. This contractor role pays $8 to $10 per hour and requires at least 20 hours each week.
Posted Sep 14, 2026
Identify musical instrument families and specific instruments in short audio clips. This remote, two-day project pays a fixed $160 USD and offers flexible hours, with possible extension based on performance.
Posted Sep 14, 2026
Identify musical instruments in short audio clips and review AI-generated audio data. This worldwide, flexible project pays a fixed $160 and has a two-day work window.
Posted Sep 14, 2026
Build and review statistical tasks used to evaluate AI models, including regression, ANOVA, hypothesis testing, and research reporting. This remote contractor role requires 20+ hours per week and strong experience with jamovi, JASP, JMP, or SPSS.
Posted Sep 14, 2026
Lead a pod of 16 to 20 trainers while creating and reviewing advanced legal AI tasks. This remote, six-week contract requires active US bar admission and 10 or more years of legal practice.
Posted Sep 12, 2026
Guide legal task evaluation and quality standards for AI training in a remote, six-week contract. This role requires 12 to 15 years of legal practice, active qualification, and strong judgment.
Posted Sep 12, 2026
Write and review marketing content that helps improve AI systems. This remote contractor role requires English fluency, careful written feedback, and 8 hours of weekly overlap with PST.
Posted Sep 12, 2026
Evaluate AI-generated specifications, release notes, user-facing copy, and stakeholder updates. Use your product documentation experience to write detailed assessments while working virtually and asynchronously.
Posted Sep 12, 2026
Use advanced AMO physics expertise to evaluate AI reasoning about atomic structure, polarizability, ytterbium isotopes, and optical transitions. This part-time contract pays $100 to $200 per hour.
Posted Sep 12, 2026
Review Cantonese text and speech, rate AI outputs, and complete annotation tasks for $30-$40 per hour. This part-time contractor role requires native or bilingual Cantonese and 20+ hours each week.
Posted Sep 12, 2026
Review and rate AI-generated content about chemical, biological, radiological, and nuclear safety. This remote contract role requires CBRN expertise, C1 English, and 20 or more hours per week.
Posted Sep 12, 2026
Review complex FreeCAD assemblies and turn design intent, structure, and function into precise questions with exact answers. This remote contractor role pays $40 to $80 per hour and requires 20 or more hours weekly.
Posted Sep 11, 2026
Create precise, verifiable question-and-answer sets from multi-part FreeCAD assemblies for AI training. This part-time contractor role pays $40 to $80 per hour and requires 20 or more hours each week.
Posted Sep 11, 2026
Create precise questions and answers from complex aerospace CAD assemblies. This remote contractor role pays $40-$80 per hour and requires 20+ hours weekly, strong CAD knowledge, and clear technical writing.
Posted Sep 11, 2026
Evaluate machine learning code, models, and systems for correctness, performance, and reproducibility. This remote contractor role offers flexible work of about 15 hours per week and pays $80 to $150 per hour.
Posted Sep 11, 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.
