Senior Software Engineer

A Senior Software Engineer contributes to architectural discussions, and driving feature development within a team. At Mozilla, Senior Engineers are expected to work independently on scoped projects, collaborate closely with peers, and play a key role in delivering high-quality software that aligns with team goals.

What you 9ll do

• Contribute to the development and improvement of Firefox features related to installs, updates, and OS integrations.
• Help implement enhancements to the Firefox installation and update experience, using data insights to guide development.
• Tackle platform-specific challenges in low-level operating system integration on Windows and/or macOS.
• Collaborate with your manager and teammates to scope and prioritize work in alignment with the team 9s goals.
• Participate in code reviews and contribute to technical discussions with peers.
• Take ownership of complex bugs and lead efforts to improve the Firefox experience for hundreds of millions of users.
• Work closely with your geographically distributed team in a highly collaborative environment.

What you 9ll bring

• 3-5 years experience as Software Engineer
• Experience with systems-level programming on at least one major platform (Windows, macOS).
• Solid programming skills in C/C++.
• Effective communicator and collaborator, especially in distributed teams.
• Ability to break down technical work and make steady progress within project timelines.
• A collaborative mindset and a desire to contribute to team success.

Bonus Points

• Programming experience in Rust.
• Experience working with Windows and/or macOS APIs at a low level (e.g., Win32, Cocoa).
• Additional experience with Linux, or macOS internals.
• Contributions to open source projects.