CareerPlan

Sr. Staff Software Engineer, Browser (New Products)

Remote USFull-time2026-10-09 → 2026-11-10

Core

Design and implement experiments within browser engine subsystems to investigate performance, correctness, and interfaces for new products.

Role type

Sr. Staff IC browser engine specialist

Builds

New browser products and engine capabilities

Domain

Internet / Browser Technology

Required skills

Deep browser engine subsystem expertise (DOM, Web APIs, layout, rendering, JS runtimes, networking), C++ or Rust, memory ownership and concurrency, performance debugging, profiling and tracing, regression and conformance testing, web platform compatibility reasoning

Preferred skills

Open-source contributions (Gecko, Servo, Blink, WebKit), technical leadership in small teams, accessibility infrastructure, browser security, automated agent workflow evaluation

Technologies

C++, Rust, Gecko, Servo, Blink, WebKit, AI tools

Responsibilities

Design and implement experiments within browser engine subsystems; Evaluate ways to represent and expose browser state efficiently; Prototype engine capabilities for programmatic interaction with web content; Instrument browser behavior and evaluate changes against repeatable tasks; Profile overhead and pursue improvements; Use AI tools to accelerate coding and analysis

Seniority

Sr. Staff, hands-on IC