Senior Rust Software Engineer

Help us improve your Mozilla experienceIn addition to Cookies necessary for this site to function, we’d like your permission to set some additional Cookies to better understand your browsing needs and improve your experience. Rest assured — we value your privacy.Cookie settingsProductsFirefox browsers Mozilla VPN Mozilla Monitor Firefox Relay MDN Plus Thunderbird Solo 0DIN Tabstack All products About usOur MissionAbout Mozilla The Mozilla Manifesto Get Involved Blog Our WorkMozilla Foundation Mozilla.ai Mozilla Ventures Mozilla Advertising Mozilla Builders Mozilla New Products Mozilla CareersMenu Overview Diversity and Inclusion Benefits Teams Locations Job Listings Senior Rust Software Engineerat Mozilla CorporationTeam: Ads Locations: Remote Canada, Remote USRemote CanadaRemote USWhy 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 RoleThe Ads Engineering team at Mozilla builds core infrastructure to support ethical, privacy-forward advertising across Mozilla's products. We are scaling out an internal component for client-side ad fetching, rendering, and measurement across Firefox, Pocket, MDN, and beyond.In this role, you’ll contribute to the development of our internal component, using Rust and Python to create a scalable, privacy-preserving advertising component that enables consistent, performant ad experiences across Mozilla’s properties. You and your team will be the subject matter experts when it comes to advertising, providing guidance, and shepherding various product teams across Mozilla.What You’ll DoDesign and deliver reusable components within the Mozilla Ads products that support multiple product teams and surface areasCollaborate closely with Product, Ad Ops, and Data Science to enable enriched measurement, feedback reporting, and experimentationImplement privacy-preserving features in our Mozilla Ads products, contributing to Mozilla’s vision for ethical advertisingWork with front-end teams across Mozilla to support and extend existing systems to apply innovative ways and technologies in reaching Mozilla’s advertising goalsHelp translate product and engineering strategy into actionable tasks and early prototypes, providing feedback where appropriateWhat You’ll Bring5+ years of overall software engineering experienceProven ability to successfully lead and ship complex software projectsExperience in RustFamiliarity with one of the following front-end technologies: JavaScript or ReactExperience with telemetry, privacy-preserving analytics, and/or programmatic advertising is a plus.An interest and ability to work in a distributed, cross-functional environment (which requires good asynchronous written communication skills as well as good verbal communication skills)Commitment to our values:Welcoming differencesBeing relationship-mindedPracticing responsible participationHaving gritWhat You’ll GetGenerous performance-based bonus plans to all eligible employees - we share in our success as one teamRich medical, dental, and vision coverageGenerous retirement contributions with 100% immediate vesting (regardless of whether you contribute)Quarterly all-company wellness days where everyone takes a pause togetherCountry specific holidays plus a day off for your birthdayOne-time home office stipendAnnual professional development budgetQuarterly well-being stipendConsiderable paid parental leaveEmployee referral bonus programOther benefits (life/AD&D, disability, EAP, etc. - varies by country)About MozillaMozilla 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 belongingMozilla 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 hiringaccommodation@mozilla.com 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: DReq ID: R3106Hiring RangesCanada Tier 1 Locations$104,000—$139,000 CADCanada Tier 2 Locations$94,000—$126,000 CADRemote CanadaRemote USApplicant Privacy NoticeWhy Mozilla?At Mozilla, we’re serving humanity—by maintaining a safe, open internet—while also helping the individual humans employed here to reach their personal and professional goals. With a relatively small team serving hundreds of millions of people, a culture of exploration, and a commitment to mentorship, opportunities abound to learn and grow at Mozilla.Our values drive our actionsPurpose is built into our work, with our mission driving every decisionWe challenge assumptions, the status quo, ourselves, and each otherWe are transparent: in our code, our business partnerships, and our everyday interactionsWe seek out people from diverse backgrounds and with perspectives different from our ownWe pair purpose with performance and put people ahead of profitOur impact is global1000+ paid staff from over 30 countriesThousands of volunteer contributors across six continents2 global offices: Berlin and Toronto9 coworking space locations: San Francisco, San Mateo, London, Paris, Portland, Tulsa, Vancouver, Chicago, and BellevueHundreds of home offices globallyOur benefits are world-classFlexible work environment (majority of Mozillians work remotely)Industry-leading paid parental leave (up to 26 weeks of fully paid leave for childbearing parents and up to 12 weeks for non-childbearing parents)Reimbursement for professional development (up to $3,000/year)A work setup including the latest hardware and software of your choiceAdd trust to your ad buy.Learn more about Mozilla AdsCompanyLeadershipPress CenterCareersContactSupportProduct HelpFile a BugLocalize MozillaSecurityDevelopersDeveloper EditionEnterpriseToolsMDNFirefox Release NotesFollow @MozillaBluesky (@mozilla.org)Instagram (@mozilla)LinkedIn (@mozilla)TikTok (@mozilla)Spotify (@mozilla)Follow @FirefoxBluesky (@firefox.com)Instagram (@firefox)YouTube (@firefoxchannel)TikTok (@firefox)DonateAll languages Language English (Canadian) English (British) EnglishVisit Mozilla Corporation’s not-for-profit parent, Mozilla Foundation.Portions of this content are ©1998–2026 by individual mozilla.org contributors. 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