Freelance AI Trainer
Location: Remote
Compensation: Hourly
Reviewed: Tue, Sep 08, 2026
This job expires in: 30 days
Job Summary
To support the development of advanced AI coding models, the part-time Freelance AI Trainer will create competitive programming problems, write solutions in C++ and Python, and design comprehensive test cases, all while working remotely on a project-based basis.
Key responsibilities
- Write original algorithmic problems with clear statements and sound constraints
- Create both correct and deliberately incorrect solutions to test against
- Build and harden test cases, including edge cases and stress tests
Required qualifications
- Strong competitive programming background demonstrated by a public profile or olympiad achievements
- Fluency in C++ (STL, complexity) and comfort with Python
- Ability to explain errors in solutions and create inputs that expose flaws
- Strong written English proficiency (C1+)
- Experience in setting or testing problems for competitive programming contests is a plus
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