Build Firefox improvements with C and C++ expertise at Mozilla Corporation, working across Windows, macOS, and Linux environments.
As a Senior Software Engineer on Mozilla’s OS Integration team, you will develop fixes, improvements, and features for Firefox. Your work may span platforms while maintaining and developing Firefox’s installer and updater. You will debug defects, improve browsing experiences, collaborate with distributed engineers, and contribute through code review and technical discussions.
Key Responsibilities: Debug and fix software defects affecting Firefox quality
Contribute new features and cross-platform improvements
Maintain and develop Firefox’s installer and updater
Perform code reviews and provide technical direction




Collaborate with geographically distributed development teams
Requirements: Five or more years of software engineering experience
Strong knowledge of C and C++
Desktop application development experience on Windows, macOS, or Linux
Knowledge of JavaScript, HTML, secure coding, and memory safety
Solid problem-solving, debugging, and communication skills
Apply senior C++ engineering, debugging, and cross-platform development skills to Firefox at Mozilla Corporation.

#J-18808-Ljbffr

📌 Senior C++ Firefox Engineer (Ontario)
🏢 Mozilla
📍 Ontario