Browser / Kernel Engineer

📋 Description

• Own the browser stack: maintain in-house patched-browser cloud and per-OS fingerprints.
• Patch the engine: fix navigator, WebGL, canvas, fonts, and Client Hints.
• Kill CDP leaks: remove signals that reveal automation.
• Align geolocation, timezone, and locale for consistency.
• Diagnose detections and fix root causes.
• Build tooling: harnesses to test evasions and catch regressions.

🎯 Requirements

• Shipped or contributed to a browser engine patch, fork, or stealth tool.
• Understanding browser fingerprinting and spoofing at implementation level.
• Hands-on with CDP and headless/headful automation internals.
• Familiarity with Chromium/Firefox build infrastructure and patch management.
• TLS and HTTP fingerprinting awareness.
• Experience running browsers at scale.

🎁 Benefits

• Fully Remote. Work from anywhere.
• Equity share. Own a piece of what you're building.
• Profit sharing. When we win, you win.
• Learn fast. Touch every part of a growing SaaS.
• Annual team retreats (last one in Spain).