1 day ago
Remote, Spain +3 moreSenior
Responsibilities
- Write original algorithmic problems with clear statements, sound constraints, and intended solutions.
- Write correct and deliberately wrong solutions in C++ and Python.
- Build generators, edge cases, stress tests, and hacking tests that expose subtle implementation errors.
- 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 and 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 incorrect 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 setting or testing real contest problems, testlib, or LLM code-benchmark and evaluation datasets is preferred.
Benefits
- Remote, part-time, freelance project-based work rather than permanent employment.
- Estimated workload of approximately 10–20 hours per week during active project phases, subject to project requirements.
- Payment per accepted task, with rates based on qualification tier and efficiency.
- Effective compensation of up to $90/hr.
- Work is performed asynchronously against stated deadlines and acceptance criteria.
About Mindrift
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.