Find remote AI training and data labeling jobs open to applicants in Czechia.
Evaluate AI-generated responses about music theory, composition, genres, production, notation, and music history. This remote contractor role requires English fluency, 20+ hours per week, and an eight-week commitment; compensation is not disclosed.
Posted Aug 10, 2026
Evaluate how AI systems handle clinical reasoning by creating realistic medical cases, building assessment frameworks, and judging model performance. This remote freelance engagement requires 20+ hours per week and starts with a one-month term.
Posted Aug 3, 2026
Evaluate AI responses for practical small business scenarios in Spanish. Create prompts, compare chatbot answers, and submit structured feedback for 20+ hours per week.
Posted Aug 1, 2026
Use your medical judgment to evaluate how AI systems handle clinical reasoning, create realistic scenarios, and identify gaps in medical knowledge. This remote, flexible engagement is open worldwide and requires an active medical license.
Posted Jul 25, 2026
Evaluate personalized conversational AI in Russian by testing prompts, ranking responses, and explaining quality issues. This remote contractor role pays $15 per hour and requires at least 20 hours per week.
Posted Jul 24, 2026
Record expressive Korean voice performances for AI training projects, using clear delivery, emotional range, and varied character styles. This flexible freelance role requires 20+ hours per week and quality recording equipment.
Posted Jul 20, 2026
Evaluate how AI uses personal context in Polish conversations, compare responses, and write detailed feedback. This remote contractor role pays $20 per hour and requires at least 20 hours per week.
Posted Jul 20, 2026
Work as a Business Analyst evaluating Bahasa Indonesian and English language model content. Analyze information, research claims, write explanations, and create examples that help improve AI systems for 20+ hours per week.
Posted Jul 20, 2026
Design challenging math problems, review language model solutions, and verify Python and Lean proofs in a remote contractor role requiring at least 20 hours per week.
Posted Jul 20, 2026
Evaluate how well AI uses personal context in multi-turn conversations, assess response quality, and explain your decisions. This three-month contractor role requires English fluency, at least 20 hours weekly, and four hours of overlap with PST.
Posted Jul 17, 2026
Review and improve AI-generated C and C++ code, develop backend components, and guide technical work on dialogue-agent systems. This worldwide contract role offers part-time work of 20 or more hours per week.
Posted Jul 17, 2026
Write, research, summarize, and review content used to train language models. This remote contract role is open worldwide, requires fluent English, and calls for 20+ hours each week.
Posted Jul 17, 2026
Evaluate AI chatbot responses for realistic small business situations in Japanese. This remote, flexible project runs for 16 weeks and requires at least 20 hours each week.
Posted Jul 17, 2026
Review and compare AI chatbot responses for realistic small business scenarios using Korean business documents. This remote, flexible project lasts 10 weeks and requires 20 or more hours per week.
Posted Jul 17, 2026
Record Spanish (Latam) voice performances for AI training projects involving characters, stories, and varied subjects. This flexible freelance role offers remote work and requires strong vocal control, emotional range, and professional recording equipment.
Posted Jul 17, 2026
Record expressive French voice-overs for AI training and creative projects from a home or professional studio. This flexible contractor role requires 20+ hours weekly, clear French speech, vocal versatility, and quality recording equipment.
Posted Jul 17, 2026
Create expressive Arabic voice recordings for AI training, using clear speech, emotional range, and strong vocal control. This flexible freelance role requires previous voice acting experience and quality recording equipment.
Posted Jul 17, 2026
Create expressive Japanese voice recordings from scripts for AI audio training. This flexible freelance role offers remote work, 20+ hours per week, and requires voice acting experience plus quality recording equipment.
Posted Jul 17, 2026
Work as a Business Analyst supporting Tagalog and English AI evaluation through analytical question answering, research, content analysis, and detailed feedback. This worldwide contract role requires 20+ hours per week.
Posted Jul 17, 2026
Review Malay and English AI responses, research claims, solve reasoning tasks, and write detailed feedback. This remote contractor role requires 20+ hours per week and accepts applicants worldwide.
Posted Jul 17, 2026
Analyze written content, research claims, answer reasoning questions, and give detailed feedback to improve language models. This remote contractor role requires professional fluency in English and Hebrew and 20+ hours per week.
Posted Jul 17, 2026
Analyze Turkish content, research claims, answer reasoning questions, and create clear feedback for language model training. This remote, part-time contractor role requires English and Turkish fluency and 20+ hours per week.
Posted Jul 17, 2026
Analyze English and Swedish content to improve large language models through research, reasoning tasks, claim validation, summaries, and detailed feedback. This remote contractor role requires 20+ hours per week and is open worldwide.
Posted Jul 17, 2026
Work remotely as a Danish-English Business Analyst supporting multilingual LLM evaluation through research, analytical questions, summaries, and detailed feedback. This entry-level contractor assignment requires 20+ hours per week and accepts applicants worldwide.
Posted Jul 17, 2026
Review language model answers, research claims, solve analytical problems, and explain your reasoning in Korean and English. This entry-level contract role requires 20 or more hours each week and a reliable computer.
Posted Jul 17, 2026
Analyze Japanese and English content to help improve large language models. Create reasoning examples, check claims, answer analytical questions, and give clear feedback in a remote role requiring 20+ hours each week.
Posted Jul 17, 2026
Work remotely as a Business Analyst supporting language model improvement through Dutch and English question answering, research, reasoning, and detailed feedback. The role is open worldwide and requires 20 or more hours each week.
Posted Jul 17, 2026
Evaluate AI-generated answers, summaries, and reasoning in Arabic and English. This remote contractor assignment requires 20+ hours each week and suits entry-level candidates with strong analytical and writing skills.
Posted Jul 17, 2026
Review Italian and English content for large language models, research claims, solve analytical questions, and write clear feedback. This remote contractor role requires fluent Italian and English, 20+ hours weekly, and applications through OpenTrain.
Posted Jul 17, 2026
Work remotely for 20+ hours per week evaluating German and English large language model responses, researching claims, and writing clear feedback. Apply through OpenTrain, then complete the hiring site application.
Posted Jul 17, 2026
AI training and data labeling help prepare and review examples used by artificial-intelligence systems. Depending on the posting, work 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 individual posting explains which tasks apply to that role.
OpenTrain is the hiring organization for roles listed on OpenTrain, including opportunities open to applicants located in Czechia. Candidates apply through OpenTrain. OpenTrain may place or refer successful candidates to the client whose project they will support. The individual posting is the source of truth for role-specific hiring information.
