# Founding Chromium Engineer at cmux

- Company: cmux (YC S24)
- What the company does: Open source applied AI lab building next-gen devtools. Backed by Y Combinator.
- Company website: https://www.cmux.com
- Type: Startups (AI role)
- Level: Mid level
- Location: San Francisco, CA, US
- Work setup: On-site
- Pay: $130K to $170K base salary per year (USD)
- Posted: 2026-09-04
- Apply by: 2026-10-19
- Apply: https://www.ycombinator.com/companies/cmux/jobs/T4rJNKX-founding-chromium-engineer
- Page: https://www.1752.vc/careers/jobs/cmux-founding-chromium-engineer/

## About the role

We're hiring a founding engineer to own cmux on Windows (and Linux) - built on our own fork of Chromium.

## What they're looking for

- Deep C++ and real Chromium work - ideally you've maintained a fork: carrying patches, rebasing on upstream milestones, debugging in content/ or blink
- Rust a big plus (our TUI and networking daemon are Rust)
- You've shipped or maintained a real Windows desktop app
- Bonus: upstream Chromium contributions, Swift/AppKit curiosity, open-source maintainer, former founder

Tags: Engineering