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Front End Engineering Manager, Firefox Desktop

Mozilla Canada

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Posted 24 Aug 2026
Last seen 24 Sep 2026
Location Canada
Lifecycle mature
Grade D
This listing scored 45/100, which is a D. It lost the most ground on pay transparency. See the breakdown

-10 Ghost-job penalty — Deducted for signals that this posting may not be a real, currently-open role — staleness, repeated relisting, or talent-pool language.

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This listing does not state a salary

$181k – $244k

That is the middle half of what comparable roles paid on this board over the last 90 days — 18 listings that did publish a figure, median $213k. It is not this employer's offer, and we have no idea what they pay. It is only what the rest of the market advertised.

What this role involves →

Full-Time Senior Software Engineering

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:

The Firefox team is a community of engineers who care deeply about delivering the fastest, friendliest, most usable browser possible. We are responsible for making the things you see in the browser work securely, quickly, and well! Working in the open is the norm, and we contribute to the code driving the Firefox browser on a number of desktop platforms - Windows, Linux, and macOS. Our focus is on implementing and fixing things in Firefox as well as helping other teams make it excellent for our users.

A Frontend Engineering Manager directs a team of geographically distributed engineers to constantly drive improvements to Firefox Desktop experience through innovations and enhancements to the browser user interface in Firefox. We need a leader who is dedicated to building exceptional teams, creating innovative solutions, delivering quality software, and influencing how the world uses the internet.

Feel good about your work again! Pursue your future while working to protect the future of the internet for everyone, everywhere.

What you’ll do:

What you’ll bring:

Bonus points for:

What you’ll get:

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.

Group: D

#LI-REMOTE

Req ID: R3136

Hiring Ranges:

Canada Tier 1 Locations

$165,000—$220,000 CAD

Canada Tier 2 Locations

$149,000—$199,000 CAD

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Where this listing came from

  1. 24 Aug 2026 Jobicy first sighting

Seen on 1 board over 30 days. The employer edited the description 1× since we first recorded it.