12 hours ago
Remote, United StatesSenior
Responsibilities
- Write original algorithmic 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 checkers and interactors using Testlib for problems with multiple valid answers.
- Validate that correct solutions pass and incorrect solutions fail within time limits.
Requirements
- Demonstrated competitive-programming strength through a public Codeforces profile or IOI, ICPC, or national-olympiad achievement.
- Fluent contest-level C++ knowledge, including STL and complexity analysis, and comfort writing Python.
- Ability to explain why solutions are wrong and construct inputs that expose their failures.
- Strong written English at C1 or higher.
- Applicants should provide competitive-programming handles and ratings, problem-setting experience, and IOI/ICPC/olympiad history.
- Preferred qualifications include experience setting or testing real contest problems, Testlib experience, and experience creating LLM code-benchmark or evaluation data.
Benefits
- Remote, part-time freelance work.
- Project-based participation rather than permanent employment.
- Estimated workload of 10–20 hours per week during active project phases, with no guaranteed workload.
- Paid per accepted task, with qualification tier and efficiency affecting the rate.
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.