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Senior Software Engineer, Accessibility

💼 Full-time🗓 2026-07-15 → 2026-07-31

Core

Improving the architecture, stability, correctness, and performance of the core Gecko accessibility engine to ensure the web is accessible to all users.

Role type

Senior C++ systems engineer (accessibility)

Builds

The Firefox browser's core rendering engine and accessibility features

Domain

Web browsers / Accessibility engineering

Deliverable

production ML models | product features | infrastructure

Required skills

C++, multi-process/multi-threaded programming, web accessibility (ARIA), cross-platform native development, debugging complex codebases, web standards influence

Preferred skills

Javascript, open-source collaboration, geographically distributed team experience

Technologies

C++, Gecko, ARIA, Web standards

Responsibilities

Improve the architecture and performance of the core Gecko accessibility engine; Debug and fix problems in multi-process, multi-threaded codebases; Debug OS specific issues; Collaborate with design and front-end teams to remediate accessibility issues; Influence web standards to improve access to new web technology; Work on infrastructure to expose the web platform to accessibility technology

Seniority

Senior, hands-on IC

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