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Open Source Backend Developer

Mercor

Canada · On-site Part-time $50 – $85/hr 2mo ago

About the role

About The Job

  • Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include:
    • Benchmark
    • General Catalyst
    • Peter Thiel
    • Adam D'Angelo
    • Larry Summers
    • Jack Dorsey
  • Position: Developer
  • Type: Contract
  • Compensation: $50–$85/hour
  • Commitment: 10–20 hours/week

Role Responsibilities

  • Design challenging coding problems with clear input/output specs, constraints, and explicit function signatures.
  • Develop complete mini-repos, including problem statements, reference solutions, comprehensive unit tests (10–20 cases), and executable test runners.
  • 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.
  • Contribute to globally visible projects with high impact.

Qualifications

Must-Have

  • 3+ years of backend development experience in 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 optimization.
  • Comfortable working with Git‑based collaboration (PRs, issues, reviews).

Application Process (Takes 20–30 mins to complete)

  • Upload resume
  • AI interview based on your resume
  • Submit form

Resources & Support

PS: Our team reviews applications daily. Please complete your AI interview and application steps to be considered for this opportunity.

Skills

CC++C#COBOLDockerGoGitHub ActionsJavaJavaScriptPHPPythonRubyRustTypeScript

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