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Freelance AI Trainer

Location: Remote
Compensation: Hourly
Reviewed: Wed, Sep 02, 2026
This job expires in: 30 days

Job Summary

To support the development of advanced AI coding models, a part-time Freelance AI Trainer will create competitive programming problems and their automatic graders while working remotely.

Key responsibilities
  • Write original algorithmic problems, including clear statements and intended solutions
  • Develop correct and deliberately incorrect solutions in C++ and Python, along with robust test cases
  • Confirm the quality of solutions by ensuring correct ones pass and incorrect ones fail within time limits
Required qualifications
  • Strong competitive programming background with a public profile or record in IOI / ICPC / national olympiads
  • Proficiency in C++ (STL, complexity) and comfort with Python
  • Ability to explain errors in solutions and create inputs that expose flaws
  • Strong written English skills (C1+ level)
  • Experience setting or testing problems for competitive contests is preferred

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