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# Senior Software Engineer - Open Source

- **Company:** Mercor
- **Location:** London, UK (Remote available)
- **Experience:** Expert
- **Salary:** £54,800.0
- **Contract:** Permanent contract
- **Skills:** Github, Open Source Technology
- **Published:** October 26, 2026
- **Apply:** https://www.adzuna.co.uk/jobs/details/5941903061

## About the Role

Must-Have

 * Senior, Staff, or Principal Software Engineer experience.
 * Active contribution to open-source projects with recent commits.
 * Maintenance or contribution to projects with 100+ GitHub stars or clear package usage.