Open Source Contributor

Remote
vor 2 Tagen
Berlin
Stellenbeschreibung

About Mercor

Mercor is seeking experienced developers with a proven record of open-source contributions to join a high-quality, global network of engineers supporting AI, data, and enterprise software infrastructure projects.

This opportunity is designed for developers who are deeply engaged in the open-source ecosystem and have a passion for backend architecture, scalable systems, and reliable software engineering.

Key Responsibilities

  • Design challenging coding problems with clear input/output specs, constraints, and explicit function signatures.
  • Develop complete mini-repos, including:
    • Problem statement
    • Reference solution
    • Comprehensive unit tests (10--20 cases)
    • Executable test runner
  • Implement clean, production-quality code aligned strictly with test expectations.
  • Write high-coverage tests covering edge cases, invalid inputs, and performance constraints.
  • Ensure full executability with no missing dependencies, configuration issues, or signature mismatches.

Requirements

  • 3+ years of backend development experience in one or more of the following languages: Rust, C++, C, COBOL, Java, Ruby, PHP, Python, TypeScript, Go, C#, JavaScript
  • Familiarity with Docker and basic CI/CD workflows (e.g., GitHub Actions or similar tools)
  • Strong understanding of clean code, modular design, and performance optimisation
  • Comfortable working with Git-based collaboration (PRs, issues, reviews)

Role Details

  • Expected commitment: 10--20 hours/week
  • High-impact contributions to globally visible projects