Sr. Staff Software Engineer, Browser (New Products) at Mozilla
Core
Design and build experiments in browser engine subsystems (DOM, layout, accessibility, JS runtime, networking) to prototype features and measure their impact using repeatable benchmarks and profiling.
Role type
Sr. Staff Software Engineer (Browser Engine Internals)
Builds
Browser engine experiments and prototypes for web platform interaction
Domain
Web browsers, browser engine internals, performance engineering
Deliverable
production ML models
Required skills
C++, Rust, browser subsystem expertise, large codebase navigation, web platform knowledge, AI tooling verification, benchmarking, profiling
Preferred skills
Contributions to Gecko, Servo, Blink, or WebKit
Technologies
C++, Rust, Gecko, Servo, Blink, WebKit, AI tools
Responsibilities
Design and build experiments in engine subsystems, prototype features for program-web page interaction, write up failed experiments, verify AI tool outputs through testing and measurement
Seniority
Sr. Staff, hands-on IC
