M

Open Source Contributor

Job Description - Open Source Contributor

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

Original job Open Source Contributor posted on GrabJobs ©. To flag any issues with this job please use the Report Job button on GrabJobs.
Share Job
Share Job

Similar Open Source Contributor Jobs in the UK

GrabJobs is the no1 job portal in the UK, connecting you to thousands of jobs fast! Find the best jobs in the UK, apply in 1 click and get a job today!

Mobile Apps

Copyright © 2026 Grabjobs Pte.Ltd. All Rights Reserved.