Find remote AI training and data labeling jobs open to applicants in Czechia.
Design and verify complex Python and SQL problems that test full-pipeline data science skills for advanced AI systems. This worldwide contractor role pays $50 per hour for fewer than 20 hours per week.
Posted Dec 3, 2025
Evaluate and attack AI models and agents to find safety risks and security flaws. This flexible remote contract pays $40 per hour for less than 20 hours per week.
Posted Nov 17, 2025
Segment recycling images by outlining individual objects with polygons in CVAT and the Segment Anything tool. This entry-level contract role pays $5 per hour and values accuracy and careful visual review.
Posted Nov 11, 2025
Work remotely on part-time LLM security projects for $40 per hour. Design attacks, test AI agents and RAG pipelines, and document risks using your cybersecurity and penetration testing skills.
Posted Oct 6, 2025
Review and improve AI-generated answers to automotive engineering questions for $40 per hour. This flexible, part-time contract requires 3+ years of automotive engineering experience and Python skills.
Posted Oct 1, 2025
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.
