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Why Mozilla?

Mozilla is a nonprofit technology company that has shaped the Internet for the better over the past 25 years. We make leading brands like Firefox, the privacy-minded web browser. Now, with more than 225 million people around the world using our products every month, we’re shaping the next 25 years of technology and helping to restore an Internet that’s built for people, not businesses. Our work focuses on diverse areas including AI, social media, security, and more. We do this without ever losing focus on our core mission – making the Internet better for people.

Mozilla is wholly owned by the 501(c) non-profit Mozilla Foundation. This means that we are not beholden to any of our contributors, but only to our mission. Together with thousands of volunteer contributors and collaborators around the world, Mozillians design, build and distribute Open source Software that enables people to enjoy the Internet on their terms.

About this team:

The Firefox team is a community of engineers who care deeply about delivering the fastest, friendliest, most usable browser ever. We’re responsible for making the things you see in your browser work safe, fast and well! The Desktop Integration Team is a cross-functional team that focuses on updates, installations, and integration of Firefox with different operating systems. As part of the Desktop Integration team, you’ll be responsible for all things OS integration related (particularly Windows and macOS) and helping us grow our user base.

Our team is geographically distributed, and working outdoors is the norm. We contribute the code that drives Firefox on a number of desktop platforms.

About the role:

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

What will you do:

• Contribute to the development and improvement of Firefox features related to installations, updates, and operating system integrations.
• Help implement improvements to the Firefox installation and update experience, using data insights to guide development.
• Address platform-specific challenges in low-level OS integration on Windows and/or macOS.
• Collaborate with your manager and teammates to scope and prioritize work in alignment with team 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 to bring:

• Experience with systems-level programming on at least one major platform (Windows and macOS).
• Strong programming skills in C/C++.
• An 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 the team’s success.

Bonus points

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

We value diverse voices within our team and at Mozilla. You do not need to check every box on this list to apply.

What you will get:

• Generous performance-based bonus plans for all permanent employees – we share in our success as one team
• Rich medical, dental and vision coverage
• Generous pension contributions with 100% immediate vesting (regardless of whether you contribute or not)
• Quarterly all-company wellness days where everyone takes a break together
• Country-specific holidays, plus a day off for your birthday
• One-time home office stipend
• Annual professional development budget
• – Quarterly luxury salary
• Great paid paternity leave
• Employee referral bonus program
• Other benefits (Life/Disability, EAP, etc. – varies by country)

About Mozilla

Mozilla aims to build the Internet as a public resource that everyone can access because we believe that open and free is better than open and censored. When you work at Mozilla, you give yourself the opportunity to make a difference in the lives of web users everywhere. And you give us a chance to make a difference in your life every day. Join us to work on the web as a platform and help create more opportunity and innovation for everyone online.

Commitment to diversity, equity, inclusion and belonging

Mozilla recognizes that valuing diverse creative practices and forms of knowledge is critical to and enriching the company’s core mission. We encourage applications from everyone, including members of all justice-seeking communities, such as (but not limited to) women, racialized people, indigenous people, people with disabilities, and people of all sexual orientations.s, Gender identities and expressions.

We will ensure that qualified individuals with disabilities receive reasonable accommodations to participate in the job application or interview process, perform essential job functions, and receive other benefits and privileges of employment, as applicable. Please contact us at hiringaccommodation@mozilla.com To request housing.

We are an equal opportunities employer. We do not discriminate on the basis of race (including hairstyle and texture), religion (including religious grooming and dress practices), gender, gender identity, gender expression, color, national origin, pregnancy, ancestry, domestic partner status, disability, sexual orientation, age, genetic predisposition, medical condition, marital status, citizenship status, military or veteran status, or Any other basis covered by applicable laws. Mozilla will not tolerate discrimination or harassment based on any of these characteristics or any other unlawful behavior, conduct, or purpose.

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Order ID: R2806