Find remote AI training and data labeling jobs open to applicants in Estonia.
Design graduate-level biology problems and reference answers for AI evaluation using experiments, datasets, figures, sequences, structures, and literature-style evidence. This remote contractor assignment runs for one month.
Posted Sep 30, 2026
Create graduate-level life sciences questions and reference answers that test how well AI interprets experiments, biological data, figures, sequences, and research evidence. This remote contractor assignment requires advanced research experience and Pacific Time overlap.
Posted Sep 30, 2026
Lead large software engineering AI training programs, improve coding data quality and delivery, and guide distributed contributor teams. This worldwide contract role requires 20+ hours per week and fluency in English.
Posted Sep 30, 2026
Research and build evaluation systems, datasets, benchmarks, and agent environments for advanced AI. This contractor role is open worldwide, requires professional English fluency, and asks for 7+ years of research engineering experience.
Posted Sep 30, 2026
Review AI-generated code for correctness, security, reliability, and maintainability in LLM evaluation work. This remote contract role requires at least seven years of software engineering experience and 20+ hours per week.
Posted Sep 30, 2026
Record and review detailed computer workflows to help train AI systems to understand software use. This remote, worldwide contractor assignment runs for 3 to 4 weeks and requires English, a reliable computer, and careful attention to detail.
Posted Sep 30, 2026
The partner lists a Life Sciences Subject Matter Expert role in chemistry, but its description focuses mainly on biology. The duties and qualifications need confirmation before applying.
Posted Sep 30, 2026
Use advanced life sciences research skills to design scientific reasoning tasks, review AI-generated answers, and explain judgments clearly. The role requires strong scientific writing and at least 20 hours per week.
Posted Sep 30, 2026
Record polished Spanish voice-over audio for AI training and media projects at $200 per finished hour. This flexible remote contractor role requires professional recording experience, strong diction, and a high-quality setup.
Posted Sep 24, 2026
Create terminal-based Earth science tasks for AI agents using scientific programming, geospatial data, modeling, and objective evaluation. This remote contractor assignment pays $300 per approved task and runs for five weeks.
Posted Sep 24, 2026
Design multi-step computational life sciences tasks that test whether AI agents can inspect data, run code, solve problems, and explain results. This remote contractor role pays $280 per approved task.
Posted Sep 22, 2026
Edit, retouch, and annotate 2D and 3D design assets for AI training. This remote contractor project runs 8 to 10 weeks and welcomes part-time artists working 25 to 30 hours per week.
Posted Sep 21, 2026
Listen to short AI-generated music clips and identify their instrument family and specific instrument. This remote, fixed-price project pays $150-$160 and must be completed within a flexible two-day window.
Posted Sep 19, 2026
Use senior accounting and finance experience to answer complex questions, analyze financial data, and give clear advisory recommendations for AI applications. This remote freelance engagement runs up to 40 hours per week for an initial 10 weeks.
Posted Sep 18, 2026
Review AI answers about explosives and energetic materials for safety, accuracy, and appropriate handling of sensitive information. This remote project pays $1 to $100 per hour for 20+ hours per week and requires professional explosives expertise.
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
Review and rate AI-generated content about chemical, biological, radiological, and nuclear safety. This remote contract role pays $60 to $100 per hour and requires relevant CBRN experience plus professional English.
Posted Sep 12, 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 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
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
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
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
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
Create challenging prompts and evaluate AI responses across fine arts, visual arts, architecture, design, art history, museums, and artists. This contract role requires advanced subject expertise, excellent written English, and at least 20 hours per week.
Posted Aug 19, 2026
Use political science expertise to create evaluation prompts, review LLM responses, test difficult cases, and give evidence-backed feedback. This eight-week contractor assignment requires 40 hours per week and four hours of Pacific Time overlap.
Posted Aug 15, 2026
AI training and data labeling work turns human judgment into examples that AI systems can use or be evaluated against. Depending on the individual role, 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. For applicants located in Estonia, the individual posting determines whether the role is open to them and what the work involves.
OpenTrain is the hiring organization for these opportunities. Candidates apply through OpenTrain, and OpenTrain may place or refer successful candidates to the client whose project they will support. The live posting provides the authoritative information for that specific opportunity, including its eligibility and other requirements.
