Senior Software Engineer, Firefox Desktop @Mozilla

Overview

The Senior Software Engineer role at Mozilla involves contributing to the development of Firefox features, focusing on OS integration, and enhancing the user experience. Mozilla, a non-profit-backed technology company, is dedicated to building a better internet for everyone.

Key Responsibilities

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

Requirements

• 3-5 years of experience as a 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 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.

Benefits

• Generous performance-based bonus plans.
• Rich medical, dental, and vision coverage.
• Generous retirement contributions with immediate vesting.
• Quarterly wellness days.
• Country specific holidays plus a day off for your birthday.
• One-time home office stipend.
• Annual professional development budget.
• Quarterly well-being stipend.
• Paid parental leave.
• Employee referral bonus program.
• Other benefits vary by country.

Location

Remote – Netherlands

How to Apply

Please submit your application via the Mozilla careers page.