12 hours ago
Remote, United StatesSenior
Responsibilities
- Write original algorithmic problems with clear statements, sound constraints, and intended solutions.
- Write correct solutions in C++ and Python.
- Create realistic wrong solutions representing common mistakes.
- Build generators, edge cases, stress tests, and hacking tests.
- 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 public profile, Codeforces rating, or IOI, ICPC, or national-olympiad record.
- Fluent contest C++ skills, 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/olympiad history.
- Preferred qualifications include contest problem-setting or testing, testlib experience, IOI/ICPC or top competitive-programming experience, and experience creating LLM code-benchmark or RL/evaluation datasets.
Benefits
- Remote, part-time freelance project work.
- 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 efficiency.
- Work proceeds through application, qualification, project assignment, task completion, and acceptance.
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.