Jobs at Mozilla

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  Senior Marketing Manager - Japan (Contract)

  3 days ago

  Mozilla · Japan

  RemoteContractManagerMarketing

  Over the past 12–15 months, Mozilla has expanded its marketing strategy in Japan, launching multiple campaigns across a growing mix of channels to drive Firefox mobile growth. As we look to expand our footprint in 2027, we are seeking an experienced marketer who recognizes the…

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  Staff Software Engineer, Firefox Enterprise

  3 days ago

  Mozilla · France

  RemoteLead / staff€65K – €87K a yearEngineering

  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…

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  Staff Software Engineer, Firefox Enterprise

  3 days ago

  Mozilla · Germany

  RemoteLead / staff€81K – €108K a yearEngineering

  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…

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  Senior Account Executive

  11 days ago

  Mozilla · United Kingdom

  RemoteSenior£36K – £48K a yearSales

  Mozilla is seeking a proven, self-motivated, creative and resourceful individual to join as an Account Executive on our global advertising sales team, focusing on Firefox.

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  Senior Account Executive

  11 days ago

  Mozilla · United Kingdom

  RemoteSeniorSales

  Mozilla is seeking a proven, self-motivated, creative and resourceful individual to join as an Account Executive on our global advertising sales team, focusing on Firefox.

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  Contract Sr Data Analyst (SQL,Telemetry,Browser Engine)

  11 days ago

  Mozilla · Germany

  RemoteContractSenior$62.1K – $82.8K a yearData & AI

  The Gecko platform is the core engine of our product experience. To maintain competitiveness and user satisfaction, we must move beyond surface-level metrics to understand the deep correlations between engine performance and real-world user behavior. We currently face…

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  Contract Senior Data Analyst (SQL,Telemetry,Browser Engine)

  11 days ago

  Mozilla · United Kingdom

  RemoteContractSenior£58.5K – £78K a yearData & AI

  The Gecko platform is the core engine of our product experience. To maintain competitiveness and user satisfaction, we must move beyond surface-level metrics to understand the deep correlations between engine performance and real-world user behavior. We currently face…

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  Staff Software Engineer, Tools & Systems

  2 weeks ago

  Mozilla · France

  RemoteLead / staff€65K – €87K a yearEngineering

  We are looking for an experienced and versatile software engineer to work on the tools and systems that support Firefox engineering.

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  Senior Software Engineer, Privacy

  2 weeks ago

  Mozilla · Sweden

  RemoteSeniorSEK 513K – SEK 684K a yearEngineering

  Are you passionate about Privacy Protections and the Open Web? Do you want to ship software to a large user base? Do you want your contributions to have a positive impact on the world? Do you want to advance current browser architecture to make the web a safer place for users?

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  Firefox Enterprise Partnership Lead (France)

  2 weeks ago

  Mozilla · France

  RemoteLead / staffSales

  Firefox Enterprise is a new team within Mozilla addressing the needs of business and government customers for a secure enterprise browser that gives organizations greater control over their data, policies, and digital infrastructure.

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  Staff Product Manager – Firefox Enterprise

  2 weeks ago

  Mozilla · France

  RemoteLead / staff€65K – €87K a yearProduct

  Firefox Enterprise is seeking a Staff Product Manager to own a major part of our 2027 product roadmap as we grow from our first release into a multi-product enterprise offering. This is a high-impact role for someone who has taken enterprise security products from zero to one.…

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  Staff Product Manager – Firefox Enterprise

  2 weeks ago

  Mozilla · France

  RemoteLead / staffProduct

  Firefox Enterprise is seeking a Staff Product Manager to own a major part of our 2027 product roadmap as we grow from our first release into a multi-product enterprise offering. This is a high-impact role for someone who has taken enterprise security products from zero to one.…

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  Senior Contract Software Engineer (JavaScript) - Firefox

  2 weeks ago

  Mozilla · United Kingdom

  RemoteContractSeniorEngineering

  You will help the Firefox DOM Core team improve the health of the Session History area. You will write tests to improve the coverage; you will fix tests and/or problems to improve the Gecko correctness.

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  Senior Contract C++ / JavaScript Software Engineer Firefox (Browser Engine)

  2 weeks ago

  Mozilla · France

  RemoteContractSeniorEngineering

  You will help the Firefox DOM Core team improve the health of the Session History area. You will write tests to improve the coverage; you will fix tests and/or problems to improve the Gecko correctness.

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  Senior Contract Web Developer - Firefox (Browser Engine)

  2 weeks ago

  Mozilla · Germany

  RemoteContractSeniorEngineering

  You will help the Firefox DOM Core team improve the health of the Session History area. You will write tests to improve the coverage; you will fix tests and/or problems to improve the Gecko correctness.

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  Contract Staff Software Engineer - (Firefox) C++,Storage Encryption

  2 weeks ago

  Mozilla · Germany

  RemoteContractLead / staffEngineering

  You will help the Firefox DOM LWS team to implement tasks for Storage Encryption everywhere, helping to drive the in-progress project through to completion .

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  Contract Staff Software Engineer-Bug Burndown

  2 weeks ago

  Mozilla · United Kingdom

  RemoteContractLead / staffEngineering

  Finish diagnosing, or verify the diagnosis of, long-tail WebCompat bugs.; Write WebCompat interventions where appropriate.; Write simple fixes (AI-assisted) and land them.; Reproduce and triage incoming site-breakage reports.

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  Senior Manager, Accounting & Finance

  2 weeks ago

  Mozilla · Remote

  RemoteManager$165K – $190K a yearFinance

  We are looking for a Senior Manager, Accounting & Finance to serve as Thunderbird’s most senior finance professional. The right person will bring a strong accounting or controllership foundation and the breadth to lead financial planning and analysis, finance operations, and…

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  Policy Communications Lead, Europe

  3 weeks ago

  Mozilla · Belgium

  RemoteLead / staffMarketing

  As Policy Communications Lead for Europe, you will:

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  Policy Communications Lead, Europe

  3 weeks ago

  Mozilla · Germany

  RemoteLead / staffMarketing

  As Policy Communications Lead for Europe, you will:

Updated 06 Nov 2026 09:37 UTC from the OptiTalent job library.