Senior Software Engineer - Open Source

Mercor; Greater London; On-site; GBP 90,000 - 150,000; Full time

Job summary

Mercor is hiring Senior Software Engineers to work on a project with a leading AI research lab. You'll apply your open-source engineering experience to real software engineering work.

You're a good fit if you:

Qualifications

• Must be able to operate as a Senior/Staff/Principal IC.
• Active open-source contributions with merged PRs or commits in the last 6 months.
• Projects with real adoption (100+ GitHub stars or clear package usage).

Responsibilities

• Work as a Senior Software Engineer on a project with a leading AI research lab.
• Apply open-source engineering experience to real software engineering work.

Skills

Senior/Staff/Principal IC

Open-source contributions

Recent PRs merged

Job description

Mercor is hiring Senior Software Engineers to work on a project with a leading AI research lab. You'll apply your open-source engineering experience to real software engineering work.

You're a good fit if you:

• Work as a Senior, Staff or Principal Software Engineer (or equivalent senior individual contributor)
• Actively contribute to open-source projects, with merged pull requests or commits in the last 6 months
• Maintain or contribute to projects with real adoption, such as 100+ GitHub stars or clear package usage