Competitive Programming Problem Author & Test Engineer

Responsibilities

• Write original algorithmic problems including clear statements, sound constraints, and intended solutions
• Write correct solutions in C++ and Python
• Write realistic wrong solutions to test against
• Build and harden test cases using generators, edge cases, stress, and hacking tests
• Write checkers and interactors using testlib for problems with multiple valid answers
• Confirm quality standards by ensuring correct solutions pass and wrong ones fail within time limits

Requirements

• Strong competitive programming background (Codeforces rating, IOI, ICPC, or national olympiad record)
• Fluent contest C++ (STL, complexity) and proficiency in Python
• Ability to explain solution errors and build inputs to break them
• Strong written English (C1+)

Preferred Qualifications

• IOI / ICPC alumni
• Experience setting or testing problems for real contests or online judges
• Testlib experience (checkers, validators, generators)
• Experience creating data for LLM code benchmarks or RL/evaluation datasets

About the Company

Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems.