[All remote jobs](https://jobicy.com/jobs.md)[![Mozilla logo](https://jobicy.com/data/server-nyc0409/galaxy/mercury/2020/10/mozilla.jpg)](https://jobicy.com/company/mozilla.md)[Mozilla](https://jobicy.com/company/mozilla.md) # Staff Software Engineer, Firefox Enterprise AI Summary Mozilla is hiring a Staff Software Engineer to improve Firefox Enterprise services, infrastructure, administration, and monitoring capabilities for large deployments. The role combines hands-on development in Rust and JavaScript with technical leadership, roadmap input, and cross-team collaboration. Candidates need extensive software-development experience, strong engineering fundamentals, and experience with robust services and database systems. Familiarity with Kubernetes, OIDC/OAuth2, front-end development, and open-source contribution is advantageous. The engineer will work with a geographically distributed team and help deliver secure, practical enterprise-browser functionality.[Apply for this job](#job-application)[View company](https://jobicy.com/company/mozilla.md)ShareRemote from[Germany](https://jobicy.com/job-region/germany.md)SalaryEUR 81k–108k / yrDepartment[Software Engineering](https://jobicy.com/categories/engineering.md)EmploymentFull TimeExperienceSeniorPublished4 Nov 2026Apply before4 Dec 2026Listing views24Application actions0Application toolkit ## Make your next move. Prepare your resume, explore your fit, and draft a cover letter for this opportunity. Opportunity details ## About this role. 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! The Enterprise team is a cross-disciplinary team in charge of improving and maintaining Firefox support for large Enterprise deployments. As part of the team, you will be responsible for all things related to services and infrastructure for our Enterprise products. A Staff Software Engineer is the next level up from a Senior Software Engineer. At Mozilla this role can vary, but typically a staff engineer supports an engineering team, providing technical leadership, building cross-team relationships, and helping the team deliver on their objectives. What You’ll Do: * Improve the ease of use and security of Firefox in large deployments by developing better administration and monitoring tools. * Improve Firefox functionality by better integration with remote services. * Assess what work supports the team and product roadmap and make insightful recommendations in regards to priorities. * Work with a geographically-distributed development team. What You’ll Bring: * 8+ years of professional experience in software development. * Experience developing robust services according to modern best practices. * Strong software engineering fundamentals: modularity, abstraction, data structures, and algorithms. * Proficiency in Rust and JavaScript. * Proven understanding of database systems (SQL and/or non-relational databases). * You are an excellent communicator and have participated effectively on a distributed team. * You’re pragmatic about how to move things forward in specific timeframes including trade-offs and safeguards when implementing new functionality. * Curiosity and interest in learning new things. * Commitment to our values: * Welcoming differences * Being relationship-minded * Practicing responsible participation * Having grit Bonus Points * Front-end development experience. * Experience with kubernetes. * Experience with OIDC/OAuth2. * You have previously successfully contributed to an open source project. 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) We value a variety of voices within our team and at Mozilla. You don’t need to check every box on this list to apply. 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 [hiringaccommodation@mozilla.com](mailto: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: C #LI-REMOTE Req ID: R3218 Hiring Ranges: Remote Germany €81.000—€108.000 EUR Show more [Apply now >](https://jobicy.com/jobs/158985-staff-software-engineer-firefox-enterprise.md) * ![Upload CV](data:image/svg+xml;base64,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) ### Upload your resume now To unlock remote work opportunities and be discovered by global employers. This job listing has been manually reviewed by the Jobicy Trust & Safety Team for compliance with our posting guidelines, including verification of the company's legitimacy, accuracy of job details, clarity of remote work policy, and absence of misleading or fraudulent content. ## Role DNA A quick view of the complexity, pace, ownership and collaboration implied by the job description. ### Job Complexity 5/5EasyHard ### Pace & Pressure 4/5RelaxedFast-paced ### Autonomy Level 5/5GuidedFull ownership ### Communication Load 4/5IndependentCollaborative AI insightThis is a staff-level role requiring 8+ years of experience, deep technical judgment, and leadership across product and engineering priorities. The work spans secure enterprise services, browser integrations, and distributed-team decision-making. ## Salary analysis Estimated compensation compared with the broader EU market for similar roles. Estimated job median (per year)Market rate€94,500EU market range (per year)€80k–€115k0€126.50k AI insightThe yearly pay period is inferred from the job context; it was not explicitly stated by the employer. The employer discloses a €81,000–€108,000 hiring range for Remote Germany. The annual cadence is inferred from the professional staff-engineering level and the magnitude of the stated range, as no explicit pay period is provided. The estimated German market range for a comparable staff software engineering role is €80,000–€115,000 per year. ## Core skills Skills and capabilities most closely associated with this opportunity. [Rust](https://jobicy.com/jobs?search_keywords=Rust.md)[JavaScript](https://jobicy.com/jobs?search_keywords=JavaScript.md)[Software Architecture](https://jobicy.com/jobs?search_keywords=Software%20Architecture.md)[Distributed Systems](https://jobicy.com/jobs?search_keywords=Distributed%20Systems.md)[Database Systems](https://jobicy.com/jobs?search_keywords=Database%20Systems.md)[SQL](https://jobicy.com/jobs?search_keywords=SQL.md)[NoSQL Databases](https://jobicy.com/jobs?search_keywords=NoSQL%20Databases.md)[Enterprise Software](https://jobicy.com/jobs?search_keywords=Enterprise%20Software.md)[Service Development](https://jobicy.com/jobs?search_keywords=Service%20Development.md)[Kubernetes](https://jobicy.com/jobs?search_keywords=Kubernetes.md)[OIDC](https://jobicy.com/jobs?search_keywords=OIDC.md)[OAuth 2.0](https://jobicy.com/jobs?search_keywords=OAuth%202.0.md)[Open Source Development](https://jobicy.com/jobs?search_keywords=Open%20Source%20Development.md)[Technical Leadership](https://jobicy.com/jobs?search_keywords=Technical%20Leadership.md)[Remote Collaboration](https://jobicy.com/jobs?search_keywords=Remote%20Collaboration.md) Sample interview questionsHow would you design a service for centrally managing Firefox enterprise policies across a large organization?I would begin by clarifying policy models, tenant isolation, authentication, auditability, scale, and failure modes. I would design a versioned API and data model, use strong authorization controls such as OIDC/OAuth2, make policy delivery observable, and ensure clients can safely use cached configurations during service outages. Describe a technical decision you made where you balanced delivery speed with security or reliability. I would explain the available options, risks, and constraints, then identify the smallest safe implementation that met the immediate need. I would add safeguards such as feature flags, validation, monitoring, staged rollout, and a documented plan for follow-up hardening. What factors guide your choice between Rust and JavaScript for a component or service? I use Rust where memory safety, predictable performance, concurrency, or systems-level integration are central requirements. I use JavaScript when rapid iteration, web-facing integrations, or an existing JavaScript ecosystem provides a clear delivery advantage, while keeping interfaces and operational standards consistent. How do you provide technical leadership without becoming a bottleneck for a distributed engineering team? I make architecture and decision criteria visible, delegate ownership clearly, and use concise design reviews to unblock teams early. I focus on mentoring, aligning stakeholders, and improving engineering practices so that others can make high-quality decisions independently. How would you investigate a reliability issue affecting enterprise users after a remote-service integration release? I would first assess user impact and stabilize the system through rollback, feature-flag disablement, or graceful degradation if necessary. I would then use logs, metrics, traces, and affected-client segmentation to identify the failure pattern, communicate status clearly, implement a tested fix, and document preventive actions. Next step ## Apply now. Follow the employer’s application method and review Jobicy’s safety guidance before sharing personal information. Keep exploring ## Related remote jobs. * ![Enumerate logo](https://jobicy.com/data/server-nyc0409/galaxy/mercury/2025/06/6e6da5ac-221.png) Enumerate Nov 4 New ### [Tech Lead](https://jobicy.com/jobs/159001-tech-lead.md) The Tech Lead is responsible for translating product ideas and data science capabilities into production-ready AI solutions. 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