Mindrift

Competitive Programming Expert - Freelance AI Trainer

Mindrift
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12 hours ago
Remote, Turkey +4 moreSenior

Responsibilities

  • Write original competitive-programming problems with clear statements, sound constraints, and intended solutions.
  • Write correct solutions in C++ and Python.
  • Create realistic wrong solutions that represent common programming 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.
  • Submit tasks by deadlines and meet project acceptance criteria.

Requirements

  • Strong competitive-programming background demonstrated by a public profile with a qualifying Codeforces rating or IOI, ICPC, or national-olympiad achievement.
  • Fluent contest-level C++ knowledge, including STL and complexity analysis.
  • Comfort writing Python.
  • Ability to explain why solutions are wrong and construct inputs that expose errors.
  • Strong written English at C1+ level.
  • Applicants should provide competitive-programming handles and current or peak ratings, problem-setting experience, and IOI/ICPC/olympiad history.
  • Experience setting or testing problems for contests, Testlib experience, and LLM code-benchmark or reinforcement-learning evaluation dataset experience are preferred.

Benefits

  • Remote work from Israel.
  • Part-time, project-based freelance participation rather than permanent employment.
  • Estimated workload of 10–20 hours per week during active project phases, with no guaranteed workload.
  • Tasks are completed after qualification and project assignment and are paid per accepted task.

Tech Stack

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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.

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