Mindrift

Competitive Programming Expert - Freelance AI Trainer

Mindrift
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1 day ago
Remote, United Kingdom +5 moreSenior

Responsibilities

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

Requirements

  • Strong competitive-programming background demonstrated by a Codeforces rating or IOI, ICPC, or national-olympiad achievement.
  • Fluent contest-level C++ skills, including STL and complexity analysis, with comfort writing Python.
  • Ability to explain why solutions are wrong and construct inputs that break them.
  • Strong written English at C1+ level.
  • Applicants should provide competitive-programming handles and ratings, problem-setting experience, and IOI/ICPC/olympiad history.
  • Experience with contest problem setting, testlib, or LLM code benchmark and evaluation datasets is preferred.

Benefits

  • Remote, part-time freelance project opportunity.
  • Estimated workload of 10–20 hours per week during active project phases; workload is not guaranteed.
  • Project-based participation with qualification, project assignment, task completion, and payment per accepted task.
  • Compensation is paid per accepted task, up to the equivalent of $90/hr depending on qualification tier and efficiency.

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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