Freelance AI Trainer
Location: Remote
Compensation: Hourly
Reviewed: Tue, Sep 15, 2026
This job expires in: 30 days
Job Summary
To support the development of AI coding models, the part-time Freelance AI Trainer will create algorithmic problems, write solutions in C++ and Python, and design test cases while working remotely on a project-based contract.
Key responsibilities
- Write original algorithmic problems with clear statements and intended solutions
- Create both correct and deliberately incorrect solutions to test against, along with robust test cases
- Ensure the quality of solutions by confirming that correct ones pass and incorrect ones fail within specified time limits
Required qualifications
- Strong competitive programming background demonstrated by a public profile or notable achievements in IOI/ICPC/national olympiads
- Fluency in C++ (STL, complexity) and comfort with Python
- Ability to explain why solutions are incorrect and create inputs that expose flaws
- Strong written English proficiency (C1+ level)
- Experience in setting or testing problems for competitive programming contests is preferred
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