Mindrift

Competitive Programming Expert - Freelance AI Trainer

Mindrift
Apply
1 day ago
Remote, Uruguay or San José, Costa RicaSenior

Responsibilities

  • Write original competitive-programming problems with clear statements, sound constraints, and intended solutions.
  • Implement correct solutions in C++ and Python.
  • Create realistic wrong solutions representing common mistakes.
  • Build generators, edge cases, stress tests, and hacking tests.
  • Write testlib checkers and interactors for problems with multiple valid answers.
  • Verify that correct solutions pass and incorrect solutions fail within time limits.

Requirements

  • Demonstrated competitive-programming strength through a public Codeforces profile with the applicable rating or an IOI, ICPC, or national-olympiad record.
  • Fluent contest C++ skills, including STL and complexity analysis, plus comfort writing Python.
  • Ability to explain why solutions are incorrect and construct inputs that expose their failures.
  • Strong written English at C1+ level.
  • Applicants should provide competitive-programming handles and ratings, problem-setting experience, and IOI, ICPC, or olympiad history.

Benefits

  • Remote, part-time, project-based participation rather than permanent employment.
  • Estimated workload of 10–20 hours per week during active project phases, subject to project requirements.
  • Paid per accepted task, with rates based on qualification tier and efficiency and up to the equivalent of $90/hour.

Tech Stack

Categories

Mindrift

About Mindrift

1,001-5,000 employees

Mindrift builds an expert-sourcing platform that connects domain specialists to project-based work training and evaluating generative AI models, including supervised fine-tuning, RLHF, evaluation, and red-teaming. It is built and operated by Toloka, part of Nebius Group, and run from Amsterdam, Netherlands. Work is fully remote and freelance, serving global technology companies developing and improving large AI systems.

Contact me