Find remote AI training and data labeling jobs open to applicants in Greece.
Create precise, verifiable engineering questions from multi-part FreeCAD assemblies. This part-time contract role pays $40 to $80 per hour and requires strong mechanical CAD knowledge.
Posted Sep 11, 2026
Review complex aerospace assemblies and write precise questions and answers about design features, functions, and component relationships. This remote, part-time contractor role pays $40 to $80 per hour.
Posted Sep 11, 2026
Review FreeCAD-format mechanical assemblies and create precise question-and-answer sets for AI training. This part-time contractor role pays $40 to $80 per hour and requires strong mechanical CAD knowledge.
Posted Sep 11, 2026
Evaluate AI-generated nuclear physics answers, write accurate reference responses, and give detailed scientific feedback at $60 to $90 per hour. The role requires strong nuclear physics knowledge and professional English fluency.
Posted Sep 11, 2026
Review AI-generated materials science content, create accurate reference answers, and rate model outputs for $30 to $95 per hour. This remote contract requires 20+ hours per week, professional English, and deep materials science experience.
Posted Sep 11, 2026
Review AI-generated biochemistry content, write reference answers, and catch errors in mechanisms, calculations, methods, and safety guidance. This remote contract role pays $30 to $85 per hour, requires 20+ hours weekly, and needs C1 English.
Posted Sep 11, 2026
Review Turkish and English content that helps language models improve. Research claims, summarize material, solve reasoning tasks, and provide clear feedback in a remote role requiring 20 or more hours each week.
Posted Sep 11, 2026
Help improve large language models by answering analytical questions, checking written claims, creating reasoning scenarios, and explaining your decisions in English and Norwegian. This remote contractor role requires 20 or more hours per week.
Posted Sep 11, 2026
Review Japanese and English content, solve analytical questions, and give clear feedback that helps improve AI language models. This worldwide contract role requires 20 or more hours each week and does not require prior AI training experience.
Posted Sep 11, 2026
Help improve language models by researching claims, solving analytical questions, creating reasoning examples, and reviewing French and English responses. This remote, entry-level contract requires at least 20 hours per week.
Posted Sep 11, 2026
Review and improve AI-generated answers using Spanish and English, online research, logical reasoning, and clear written feedback. This remote contractor role requires 20 or more hours each week and some overlap with US hours.
Posted Sep 11, 2026
Review curated image collections for artistic quality, originality, composition, lighting, color, styling, and technical execution. This remote contractor role pays $21 to $70 per hour and requires strong visual judgment and written feedback skills.
Posted Sep 9, 2026
Review business datasets and documents for accuracy, completeness, privacy, and consistency. This remote contract role pays USD $31 to $60 per hour and is open to candidates in listed countries.
Posted Sep 9, 2026
Support AI training by creating and reviewing CAD models, simulation models, calculations, schematics, and engineering documentation. This remote 8-week contract requires 20 to 40 hours weekly and at least 10 years of relevant experience.
Posted Sep 8, 2026
Solve advanced physics problems and create clear, reproducible derivations for AI training. This remote contractor role pays $100 to $200 per hour and requires less than 20 hours per week.
Posted Sep 8, 2026
Apply your expertise in statistical physics, quantum information, or condensed matter theory to AI training research. This remote contractor role pays $100 to $200 per hour and takes 5 to 10 or more hours per week.
Posted Sep 8, 2026
Evaluate AI models on complex software engineering problems by building coding environments, reference solutions, and expert reviews. Pay is $50 to $100 per hour equivalent, paid per task that meets the project specifications.
Posted Sep 7, 2026
Transcribe and review Mandarin and English audio to help train AI systems. This remote role offers $20 to $30 per hour equivalent, paid per task, with a 20+ hour weekly commitment.
Posted Sep 7, 2026
Transcribe and annotate Cantonese and English audio, review automated transcripts, and create time-stamped files. Pay is $20 to $35 per hour equivalent, paid per task.
Posted Sep 7, 2026
Evaluate AI-generated answers to advanced CFD problems involving meshing, turbulence, heat transfer, multiphysics, and solver setup. This remote contractor role pays $50 to $150 per hour equivalent, paid per task that meets the project specifications.
Posted Sep 7, 2026
Transcribe and review Dutch and English audio, capture linguistic details, and support AI training. The role offers $25 to $30 per hour equivalent, paid per task, with 20+ hours per week.
Posted Sep 7, 2026
Transcribe and review Portuguese audio for AI training, with occasional English content. Pay is $10 to $18 per hour equivalent, paid per task, with 20+ hours per week.
Posted Sep 7, 2026
Analyze Thai and English content, check claims, answer reasoning questions, and create feedback for AI systems. This remote contractor role requires 20+ hours per week and offers flexible work for bilingual candidates.
Posted Sep 7, 2026
Review and redline commercial agreements for an AI training project, using your legal judgment to explain contract changes. This remote, part-time contractor role pays $90 to $110 per hour.
Posted Sep 6, 2026
Create realistic small-business prompts, compare chatbot responses, and submit structured evaluations in English. This 16-week freelance project requires 20 or more hours each week.
Posted Sep 5, 2026
Record continuous third-person video of everyday activities in indoor, outdoor, and vehicle settings using a compatible wide-angle or 360-degree camera. This part-time contract role pays $10 to $30 per hour and does not require prior AI experience.
Posted Sep 4, 2026
Record everyday movement, navigation, and driving-related activities from a stable third-person view for AI training. Earn $10 to $30 per hour with a compatible action or 360-degree camera and apply through OpenTrain.
Posted Sep 3, 2026
Record continuous 360-degree video of everyday movement, indoor and outdoor activities, and vehicle navigation tasks for AI training. Earn $15 to $30 per hour as a part-time contractor with your own compatible camera.
Posted Sep 3, 2026
Create polished digital character illustrations from reference images, develop style variations, and document your creative choices for an AI training project. This remote contractor role offers flexible participation and welcomes emerging artists.
Posted Sep 3, 2026
Create difficult, verifiable research questions and evidence trails for AI browsing-agent benchmarks. This worldwide contract role pays $30 per task and requires 20+ hours weekly.
Posted Aug 28, 2026
These roles can involve the human work that helps prepare and review examples for artificial-intelligence systems. Depending on the individual posting, tasks may 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. The relevant opportunities are described as remote and explicitly accept applicants located in Greece, but each live posting determines the actual scope of work.
OpenTrain is the hiring organization for roles published on OpenTrain. Candidates apply through OpenTrain, and successful candidates may be placed with or referred to the client whose project they will support. Because each project has its own requirements, the individual posting is the right place to confirm the terms and eligibility for a specific role.
