Engineering Manager, Web Developer APIs and Tools

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Why Mozilla?

Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years. We make pioneering brands like Firefox, the privacy-minded web browser. Now, with more than 225 million people around the world using our products each month, we’re shaping the next 25 years of technology and helping to reclaim an internet built for people, not companies. Our work focuses on diverse areas including AI, social media, security and more. And we’re doing this while never losing our focus on our core mission – to make the internet better for people. 

The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distribute open-source software that enables people to enjoy the internet on their terms. 

About this team and role:

Are you excited about web technologies and the applications built on them that enrich users’ lives?  Do you have a passion for helping engineers do their best work and grow in their careers? 

We are hiring for two Engineering Manager positions:

1. Engineering Manager for the DOM team, responsible for the Gecko implementation of web standards including IndexedDB, Web Workers, Service Workers, Push API and Notifications API that powers websites people use via Firefox.
2. Engineering Manager for SpiderMonkey Javascript team, responsible for Mozilla's Javascript engine and Javascript standards (TC39), which power the web experiences for Firefox users. 

Both of these teams work primarily in systems programming (like C++, Rust or WebAssembly) and write tests largely with HTML and JavaScript. Experience in systems programming or deep familiarity with low-level software architecture is highly valued.

What you’ll do: 

• Manage a team of software engineers working on storage, background, and system-level Web APIs and standards, or the SpiderMonkey Javascript engine and related standards
• Mentor and guide a diverse team of engineers, inspiring collaboration, growing their careers, and empathizing with their needs
• Owner of the team roadmap, and working closely with platform peer managers, product management and technical leads, to manage risks, balance resources and clear blockers
• Assign work to team members according to individuals abilities, while in parallel collaborating with the team to deliver major initiatives on clear timelines
• Ensure that your team delivers well-planned, high quality, and maintainable software
• Collaborate openly with the open source community

What you’ll bring: 

• 2+ years of hands-on people management experience
• Experienced functional manager with proven skills leading a team of diverse engineers, with the ability to mentor team members that have different skill sets from your own
• Proven project management skills, enabling leadership of the team to deliver and maintain complex software projects
• Software engineering background, providing the experience needed to drive technical decisions and engage with engineers at all levels of seniority, while empowering tech leads as the primary designers and decision makers
• Proficiency with software development lifecycle practices for triage, prioritization, and execution
• Passion for resolving problems, managing risks, leading change and facilitating collaborative decision making
• Experience working on performance-critical, memory-sensitive system software, or systems programming would help you stand out
• Commitment to our values:
• Welcoming differences
• Being relationship-minded
• Practicing responsible participation
• Having grit

What you’ll get:

• Generous performance-based bonus plans to all eligible employees - we share in our success as one team
• Rich medical, dental, and vision coverage
• Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
• Quarterly all-company wellness days where everyone takes a pause together
• Country specific holidays plus a day off for your birthday
• One-time home office stipend
• Annual professional development budget
• Quarterly well-being stipend
• Considerable paid parental leave
• Employee referral bonus program
• Other benefits (life/AD&D, disability, EAP, etc. - varies by country)

About Mozilla 

Mozilla exists to build the Internet as a public resource accessible to all because we believe that open and free is better than closed and controlled. When you work at Mozilla, you give yourself a chance 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 single day. Join us to work on the Web as the platform and help create more opportunity and innovation for everyone online.

Commitment to diversity, equity, inclusion, and belonging

Mozilla understands that valuing diverse creative practices and forms of knowledge are crucial to and enrich the company’s core mission.  We encourage applications from everyone, including members of all equity-seeking communities, such as (but certainly not limited to) women, racialized and Indigenous persons, persons with disabilities, persons of all sexual orientations, gender identities, and expressions.

We will ensure that qualified individuals with disabilities are provided reasonable accommodations to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment, as appropriate. Please contact us at [email protected] to request accommodation.

We are an equal opportunity 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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Req ID: R2873