Mindrift

Competitive Programming Expert - Freelance AI Trainer

Mindrift
Apply
1 day ago
Remote, IsraelSenior

Responsibilities

  • Write original competitive-programming problems with clear statements, sound constraints, and intended solutions.
  • Implement correct solutions in C++ and Python.
  • Create realistic incorrect 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

  • Strong competitive-programming background demonstrated by a public profile, Codeforces rating, or IOI, ICPC, or national-olympiad record.
  • Fluent contest C++ knowledge, including STL and complexity analysis, plus comfort writing Python.
  • Ability to explain why solutions are incorrect and construct inputs that expose their flaws.
  • 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 freelance work rather than permanent employment.
  • Estimated workload of approximately 10–20 hours per week during active project phases, with no guaranteed workload.
  • Paid per accepted task, with rates determined by qualification tier and task efficiency.
  • Potential effective compensation of up to $90 per hour equivalent.
  • Work proceeds through application, qualification, project assignment, task completion, and acceptance.

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