Competitive Programming Problem Designer & Testcase Architect

Mindrift; New York (NY); On-site; USD 83,000 - 124,000; Full time

Job summary

Mindrift is seeking contributors to build competitive-programming problems and their automatic graders. You will craft problems, write correct and intentionally wrong solutions, and design tough test cases that expose subtle bugs.

Your work trains AI coding models by providing high-quality signals. Proficiency in C++ and Python, plus strong English, helps you write clear statements, robust checkers, and reliable test data.

Qualifications

• Strong competitive programming background, shown by a public profile or Olympiad record.
• Fluent contest C++ (STL, complexity); comfortable writing Python.
• Ability to explain why a solution is wrong and build inputs that break it.
• Strong written English (C1+).

Responsibilities

• Write original algorithmic problems with clear statements and constraints.
• Create both correct and intentionally-wrong solutions for testing.
• Design tough test cases, generators, edge cases, stress tests.
• Write checkers/interactors (testlib) for multi-answer problems.
• Ensure quality bar: correct solutions pass, wrong ones fail, within time limits.

Skills

Competitive programming

C++ (STL)

Python

English proficiency

Tools

Testlib

Job description

Mindrift is seeking contributors to build competitive-programming problems and their automatic graders. You will craft problems, write correct and intentionally wrong solutions, and design tough test cases that expose subtle bugs.

Your work trains AI coding models by providing high-quality signals. Proficiency in C++ and Python, plus strong English, helps you write clear statements, robust checkers, and reliable test data.