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Mozilla

5001-10000 employees

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About Mozilla

Mozilla provides internet solutions. It offers Firefox, a web browser; Thunderbird 2, an email application; Raindrop, a prototype messaging tool that enables its users to manage a stream of messages coming from sources such as Twitter and Facebook; and Rainbow, a developer prototype that brings video and audio recording to Firefox 4.

The company also provides Bugzilla, a bug tracking system that helps its users manage software development; Camino, a web browser; SeaMonkey, an application containing a web browser, HTML editor, and web development tools as well as solutions for mobile phones; and Firefox 24, a mobile browser that enables Android users to conduct web-based video chats without a plugin.

Headquarters: Mountain View, California, United States

Industry: Browser Extensions, Web Browsers

Company Values

Our culture ensures our future

Our September 2020 employee survey confirms respect for one another and an emphasis on learning and innovation are what will ensure our future.

Because sometimes we zoom

Since March of 2020, like so many of our peers, we closed our offices and asked just over ½ of our employees, for their safety, to head home to work (the other ½ was already there). And we are all doing the best we can.

Diversity and Inclusion at Mozilla

We’ve made some progress that we’re proud of, and we have a lot more work to do.

Your career growth is part of our mission

Serving 300+ million people means our small team has a mighty mandate. Add a culture of exploration and mentorship, and there is always a new way to learn and grow here.

Truly “mission-driven”

Being wholly-owned by the non-profit Mozilla Foundation means we can focus on the real needs of people, rather than a bottom line.

The web the way it should be

Join a global community of employees, collaborators, activists, and advocates fighting to keep the internet healthy for generations.

Beyond the browser

While our Firefox family of products works to keep everyone safer and smarter online, our Mozilla initiatives focus on shaping the future of the internet.

Remote Job Openings at Mozilla (123)

Staff Site Reliability Engineer, Tools & Systems

Mozilla · Full Time · 6 hours ago
Finland €56000 - €74000 per year 5-10 yrs exp Software Development

You will design, build, and operate software systems that support Firefox engineering, including developer tooling and workflow automation. You will also own complex technical problems end-to-end and contribute to architecture and technical strategy across teams.

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Staff Site Reliability Engineer, Tools & Systems

Mozilla · Full Time · 6 hours ago
Spain €76000 - €101K per year 5-10 yrs exp Software Development

You will design, build, and operate software systems that support Firefox engineering, including developer tooling and workflow automation. You will also own complex technical problems end-to-end to improve reliability, performance, and observability across cloud and operational layers.

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APPLY

Staff Site Reliability Engineer, Tools & Systems

Mozilla · Full Time · 6 hours ago
Netherlands €78000 - €105K per year 5-10 yrs exp Software Development

You will design, build, and operate software systems that support Firefox engineering, including developer tooling and workflow automation. You will also collaborate across teams to solve complex operational problems and improve system reliability, performance, and observability.

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APPLY

Staff Site Reliability Engineer, Tools & Systems

Mozilla · Full Time · 6 hours ago
Belgium €72000 - €96000 per year 5-10 yrs exp Software Development

Design, build, and operate software and systems that support Firefox engineering, including developer tooling and workflow automation. Collaborate across teams to solve complex operational problems and improve system reliability, performance, and observability.

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Staff Site Reliability Engineer, Tools & Systems

Mozilla · Full Time · 6 hours ago
Sweden 613K - 817K per year 5-10 yrs exp Software Development

Design, build, and operate software systems that support Firefox engineering, including developer tooling and workflow automation. Collaborate across teams to solve complex operational problems and improve system reliability, performance, and observability.

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APPLY

Staff Site Reliability Engineer, Tools & Systems

Mozilla · Full Time · 6 hours ago
France €65000 - €87000 per year 5-10 yrs exp Software Development

You will design, build, and operate software systems that support Firefox engineering, including developer tooling and workflow automation. You will also own complex technical problems end-to-end and contribute to architecture and technical strategy across teams.

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APPLY

Staff Site Reliability Engineer, Tools & Systems

Mozilla · Full Time · 6 hours ago
United Kingdom £81000 - £108K per year 5-10 yrs exp Software Development

You will design, build, and operate software systems that support Firefox engineering, including developer tooling and workflow automation. You will also collaborate across teams to solve complex operational problems and improve system reliability, performance, and observability.

python rust cloud creative security architecture medical
APPLY

Staff Site Reliability Engineer, Tools & Systems

Mozilla · Full Time · 6 hours ago
Germany €81000 - €108K per year 5-10 yrs exp Software Development

You will design, build, and operate software systems that support Firefox engineering, including developer tooling and workflow automation. You will also own complex technical problems end-to-end and collaborate across teams to improve reliability, performance, and observability.

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APPLY

Staff Site Reliability Engineer, Tools & Systems

Mozilla · Full Time · 9 hours ago
Canada 116K - 171K per year 10+ yrs exp Software Development

Design, build, deploy, and operate software and systems supporting Firefox engineering, including developer tooling, CI/CD, workflow automation, and AI-assisted development tools. Own complex operational problems across software and cloud infrastructure, improve reliability and efficiency, and collaborate across teams on technical strategy and reusable solutions.

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Staff Product Manager – Firefox Enterprise

Mozilla · Full Time · a day ago
France 5-10 yrs exp Product

Own the strategy, roadmap, and delivery of a major Firefox Enterprise workstream, beginning with its hosted offering, and define requirements, success metrics, and release plans. Work with customers and cross-functional teams on product decisions, go-to-market readiness, compliance, roadmap coordination, and expanding the enterprise portfolio.

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Staff Product Manager – Firefox Enterprise

Mozilla · Full Time · a day ago
France €65000 - €87000 per year 5-10 yrs exp Product

Own the strategy, roadmap, and delivery of a major Firefox Enterprise workstream, beginning with its hosted offering, and define requirements, success metrics, and release plans. Work with pilot customers and cross-functional teams to prioritize needs, prepare go-to-market plans, manage dependencies, and support the growth of the enterprise product portfolio.

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Firefox Enterprise Partnership Lead (DACH)

Mozilla · Full Time · a day ago
Germany €74000 - €99000 per year 5-10 yrs exp Others

Build and manage strategic partnerships across the DACH technology, public-sector, cloud, open-source, and systems-integration ecosystems, developing joint plans, use cases, commercial models, and agreements. Generate partner-led revenue through customer opportunities, co-selling, reseller activities, and joint marketing, while tracking pipeline, commitments, risks, and results.

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Firefox Enterprise Partnership Lead (DACH)

Mozilla · Full Time · a day ago
Germany 5-10 yrs exp Others

Build and manage strategic partnerships across the DACH technology, public-sector, cloud, open-source, and systems-integration ecosystems, developing joint plans, commercial models, agreements, and customer opportunities. Generate partner-led revenue through co-selling and reseller activities, coordinate joint marketing, and track partner pipeline, commitments, risks, and results.

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Firefox Enterprise Partnership Lead (France)

Mozilla · Full Time · a day ago
France 5-10 yrs exp Others

Build and manage strategic partnerships across France’s technology, cloud, public-sector, open-source, integration, and services ecosystems, developing joint plans, commercial models, agreements, and customer opportunities. Generate partner-led revenue through co-selling and reseller activities, coordinate joint marketing, and report on partner pipeline, commitments, risks, and results.

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Firefox Enterprise Partnership Lead (France)

Mozilla · Full Time · a day ago
France €58000 - €78000 per year 5-10 yrs exp Others

You will build and manage strategic partnerships across the French technology, public-sector, and cloud ecosystems to grow the Firefox Enterprise footprint. This involves creating joint business plans, negotiating commercial agreements, and driving partner-led revenue through co-selling and integration activities.

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Senior Software Engineer, Cloud Engineering

Mozilla · Full Time · 3 days ago
United States $116K - $183K per year 5-10 yrs exp Software Development

Build, maintain, and mature Mozilla’s internal developer infrastructure platform, including CI/CD, observability, Kubernetes optimization, environment bootstrapping, and cost optimization. Guide technical decisions and team members, improve developer productivity through agentic workflows, and collaborate across teams to deliver usable, maintainable platform capabilities.

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Sr. Executive Assistant

Mozilla · Full Time · 3 days ago
United States $95000 - $151K per year 5-10 yrs exp Virtual Assistant

Provide high-trust administrative and operational support to three vice presidents, including calendar management, travel coordination, expense reporting, and meeting coordination. Serve as a communication link with internal and external partners, handle sensitive information discreetly, and organize team events and offsites.

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Policy Communications Lead, Europe

Mozilla · Full Time · 6 days ago
Germany 5-10 yrs exp Marketing

Lead Mozilla’s proactive policy communications and media narrative in Europe, translating complex policy positions on privacy, AI, open source, competition, and internet regulation into compelling stories and thought leadership. Build stakeholder and media relationships, advise senior leaders, prepare spokespeople, coordinate cross-functional communications, and counsel the organization on emerging issues and high-risk scenarios.

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Policy Communications Lead, Europe

Mozilla · Full Time · 6 days ago
Germany €68000 - €91000 per year 5-10 yrs exp Marketing

Lead Mozilla’s proactive policy media narrative in Europe, translating policy positions on privacy, security, AI, open source, competition, and internet regulation into compelling stories and thought leadership. Build relationships with journalists and stakeholders, advise leaders and spokespeople, develop communications materials, and coordinate cross-functional and crisis communications.

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Senior Security GRC Engineer

Mozilla · Full Time · 7 days ago
United Kingdom £81000 - £108K per year 5-10 yrs exp Software Development

The role involves maintaining and maturing the Information Security Management System (ISMS) while leading ISO 27001 and SOC 2 compliance programs. You will partner with cross-functional teams to drive policy creation, manage audit execution, and translate compliance requirements into actionable security practices.

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Senior Security GRC Engineer

Mozilla · Full Time · 7 days ago
United States $139K - $218K per year 5-10 yrs exp Software Development

The Senior Security GRC Engineer will maintain and mature the Information Security Management System (ISMS) while leading ISO 27001 and SOC 2 compliance programs. This role involves driving policy creation, managing audit execution, and partnering with cross-functional teams to ensure effective control ownership and remediation.

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Senior Software Engineer, APZ (Asynchronous Pan & Zoom)

Mozilla · Full Time · 7 days ago
Canada 95000 - 139K per year 5-10 yrs exp Software Development

You will design and develop standards-compliant CSS and page layout features while focusing on Asynchronous Pan and Zoom (APZ) technology. You will also collaborate with a global team to write high-quality, performant code and participate in code reviews and long-term planning.

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Senior Software Engineer, APZ (Asynchronous Pan & Zoom)

Mozilla · Full Time · 7 days ago
United States 5-10 yrs exp Software Development

You will design and develop standards-compliant CSS and page layout features while focusing on Asynchronous Pan and Zoom technology. You will also collaborate with a global team to write performant, open-source code and participate in regular code reviews and bug triaging.

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Senior Software Engineer, APZ (Asynchronous Pan & Zoom)

Mozilla · Full Time · 7 days ago
United States $116K - $183K per year 5-10 yrs exp Software Development

You will design and develop standards-compliant CSS and page layout features while focusing on Asynchronous Pan and Zoom (APZ) technology. You will also collaborate with a global team to write high-quality, performant code and participate in code reviews and long-term planning.

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Senior Software Engineer, Firefox Security

Mozilla · Full Time · 9 days ago
Germany €68000 - €91000 per year 2-5 yrs exp Software Development

Design, implement, test, and ship Firefox security features, strengthen its security architecture across operating systems, and improve mechanisms such as cryptographic protocols, WebPKI, and security-sensitive web APIs. Investigate security issues across teams and resolve reliability, correctness, performance, and memory problems in a complex multithreaded environment.

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Senior Mobile Engineer, iOS

Mozilla · Full Time · 21 days ago
Canada, United States $123K - $144K per year 5-10 yrs exp Software Development

You will design, develop, and evolve the Thunderbird iOS application while establishing a strong technical foundation for the product. This involves collaborating with cross-functional teams and open-source contributors to ensure high standards of performance, reliability, and accessibility.

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Staff Product Engineer, Enterprise AI

Mozilla · Full Time · 21 days ago
United States $185K - $220K per year 10+ yrs exp Software Development

Build and ship full-stack features, integrations, and customer-specific customizations within the Thunderbolt codebase. Work directly with technical partners and enterprise customers to translate their requirements into technical plans and stable software deployments.

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Staff Product Engineer, Enterprise AI

Mozilla · Full Time · 21 days ago
Canada 155K - 185K per year 10+ yrs exp Software Development

You will build and ship full-stack features and customer-specific customizations within the Thunderbolt codebase while working directly with enterprise partners. Additionally, you will diagnose complex technical issues and provide deployment guidance to ensure successful customer implementations.

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Senior Payroll Analyst, North America

Mozilla · Full Time · 21 days ago
United States 5-10 yrs exp Finance

The Senior Payroll Analyst is responsible for managing end-to-end semi-monthly payroll operations for approximately 800 North American employees. This role ensures compliance with federal, state, provincial, and local tax regulations while driving process improvements and cross-functional initiatives.

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Senior Payroll Analyst, North America

Mozilla · Full Time · 21 days ago
United States $95000 - $151K per year 5-10 yrs exp Finance

The Senior Payroll Analyst manages end-to-end payroll processing for approximately 800 North American employees while ensuring compliance with federal, state, and local tax regulations. This role also involves collaborating with internal teams for issue resolution, process standardization, and supporting year-end audit activities.

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Senior Financial Analyst

Mozilla · Full Time · 21 days ago
United States $87000 - $136K per year 5-10 yrs exp Finance

The Senior Financial Analyst will manage recurring planning, reporting, and analysis for the Core Services portfolio, including forecasting and budget updates. This role involves partnering with functional leaders to reconcile actuals, track headcount and vendor spend, and improve financial processes through automation.

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Senior Product Manager, Mobile

Mozilla · Full Time · 22 days ago
Spain €58000 - €77000 per year 5-10 yrs exp Product

The Senior Product Manager will lead the development and optimization of Firefox for mobile, focusing on improving user activation, retention, and overall browser performance. They will collaborate with cross-functional teams to deliver high-impact features while analyzing user insights and app store data to drive product growth.

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Senior Product Manager, Mobile

Mozilla · Full Time · 22 days ago
Germany €68000 - €91000 per year 5-10 yrs exp Product

The Senior Product Manager will lead the development of Firefox for mobile, focusing on improving user activation, retention, and overall browser performance. They will collaborate with cross-functional teams to deliver high-impact features while analyzing user insights and app store metrics to drive growth.

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Senior Product Manager, Mobile

Mozilla · Full Time · 22 days ago
Finland €45000 - €60000 per year 5-10 yrs exp Product

Lead the product strategy and development for Firefox on mobile platforms, focusing on improving user activation, retention, and overall app performance. Collaborate with engineering, design, and data science teams to deliver high-impact features while balancing technical constraints and privacy goals.

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Senior Product Manager, Mobile

Mozilla · Full Time · 22 days ago
Belgium €56000 - €74000 per year 5-10 yrs exp Product

You will lead the product strategy for Firefox on mobile, focusing on improving user activation, retention, and overall browser performance. You will collaborate with engineering, design, and data teams to ship high-impact features while optimizing the user journey across global markets.

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Senior Product Manager, Mobile

Mozilla · Full Time · 22 days ago
Sweden 512K - 863K per year 5-10 yrs exp Product

The Senior Product Manager will lead the development and optimization of Firefox for mobile, focusing on improving user activation, retention, and overall browser performance. They will collaborate with cross-functional teams to deliver high-impact features while analyzing user data and market trends to drive product growth.

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APPLY

Senior Product Manager, Mobile

Mozilla · Full Time · 22 days ago
Netherlands €66000 - €88000 per year 5-10 yrs exp Product

The Senior Product Manager will lead the development and optimization of Firefox for mobile, focusing on improving user activation, retention, and overall browser performance. They will collaborate with cross-functional teams to deliver high-impact features while balancing technical constraints and user privacy needs.

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APPLY

Senior Product Manager, Mobile

Mozilla · Full Time · 22 days ago
United Kingdom £66000 - £87000 per year 5-10 yrs exp Product

The Senior Product Manager will lead the development and optimization of Firefox on mobile platforms, focusing on user activation, retention, and feature delivery. They will collaborate with cross-functional teams to analyze user insights and translate them into actionable product improvements.

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Senior Product Manager, Mobile

Mozilla · Full Time · 22 days ago
France €53000 - €71000 per year 5-10 yrs exp Product

The Senior Product Manager will lead the development and optimization of Firefox for mobile, focusing on improving user activation, retention, and overall browser performance. They will collaborate with cross-functional teams to deliver high-impact features while analyzing user insights and market trends to drive growth.

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Senior Product Manager, Mobile

Mozilla · Full Time · 22 days ago
Canada 95000 - 139K per year 5-10 yrs exp Product

The Senior Product Manager will lead the development and optimization of Firefox on mobile platforms, focusing on user activation, retention, and feature delivery. They will collaborate with cross-functional teams to translate user insights into actionable product improvements and growth strategies.

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Staff Solutions Engineer

Mozilla · Full Time · 23 days ago
Germany €81000 - €108K per year 5-10 yrs exp Software Development

The Staff Solutions Engineer will lead technical discovery, solution design, and deployment support for Firefox Enterprise across the DACH region. They will partner with sales teams to manage customer relationships and ensure successful integration of browser security and policy management within complex enterprise environments.

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Senior Security Engineer - SecOps

Mozilla · Full Time · 23 days ago
Finland €45000 - €60000 per year 5-10 yrs exp Software Development

The Senior Security Engineer will identify and mitigate security incidents on a global scale while acting as an incident commander. They are responsible for designing security alerts, maintaining playbooks, and conducting threat hunting activities to protect Mozilla's products and users.

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Senior Security Engineer - SecOps

Mozilla · Full Time · 23 days ago
Belgium €56000 - €74000 per year 5-10 yrs exp Software Development

The Senior Security Engineer will monitor and mitigate security incidents on a global scale while acting as an incident commander to drive response lifecycles. They will also design security alerts, maintain playbooks, and conduct threat hunting activities to protect Mozilla's products and users.

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Senior Security Engineer - SecOps

Mozilla · Full Time · 23 days ago
United Kingdom £66000 - £87000 per year 5-10 yrs exp Software Development

The Senior Security Engineer will identify and respond to global security incidents while acting as an incident commander to drive response lifecycles. They will also design security alerts, maintain playbooks, and conduct threat hunting activities to proactively mitigate sophisticated threats.

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Senior Security Engineer - SecOps

Mozilla · Full Time · 23 days ago
Germany €68000 - €91000 per year 5-10 yrs exp Software Development

The Senior Security Engineer will identify and respond to security incidents on a global scale while acting as an incident commander. They will also design and maintain security alerts, playbooks, and automated workflows to ensure a robust 24/7 incident response capability.

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Senior Security Engineer - SecOps

Mozilla · Full Time · 23 days ago
Germany 5-10 yrs exp Software Development

The Senior Security Engineer will act as an incident commander to identify, analyze, and mitigate security incidents on a global scale. They will also design and maintain security alerts, automated playbooks, and threat hunting strategies to protect Mozilla's products and services.

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Senior Security Engineer - SecOps

Mozilla · Full Time · 23 days ago
Spain €58000 - €77000 per year 5-10 yrs exp Software Development

You will identify and respond to security incidents on a global scale while acting as an incident commander to drive the response lifecycle. Additionally, you will design security alerts, maintain playbooks, and conduct threat hunting activities to protect Mozilla's products and users.

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Senior Security Engineer - SecOps

Mozilla · Full Time · 23 days ago
Sweden 512K - 683K per year 5-10 yrs exp Software Development

The Senior Security Engineer will identify and respond to security incidents on a global scale while acting as an incident commander. They are responsible for designing security alerts, maintaining playbooks, and conducting threat hunting activities to protect Mozilla's products and users.

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Senior Security Engineer - SecOps

Mozilla · Full Time · 23 days ago
Netherlands €66000 - €88000 per year 5-10 yrs exp Software Development

The Senior Security Engineer will identify and mitigate security incidents on a global scale while acting as an incident commander. They will also design security alerts, maintain automated playbooks, and conduct proactive threat hunting to protect Mozilla's products.

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Staff Software Engineer, Web Application Services

Mozilla · Full Time · 25 days ago
Canada, United States $180K - $215K per year 10+ yrs exp Software Development

Lead the technical architecture and development of web-based services to extend Thunderbird's product offerings beyond email. Collaborate with cross-functional teams and the open-source community to build scalable, privacy-respecting solutions while mentoring other engineers.

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Staff Software Engineer, Web Application Services

Mozilla · Full Time · 25 days ago
Canada 155K - 190K per year 10+ yrs exp Software Development

You will lead the technical architecture and development of new web-based services while mentoring other engineers to ensure scalable and sustainable software patterns. You will also collaborate with cross-functional teams and the open-source community to solve complex problems and drive product growth.

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Staff Software Engineer, Web Application Services

Mozilla · Full Time · 25 days ago
United States $180K - $215K per year 10+ yrs exp Software Development

Lead the technical architecture and development of web-based services to extend Thunderbird's product offerings. Collaborate with cross-functional teams and the open-source community to build scalable, privacy-respecting solutions.

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Staff Application Engineer, Salesforce

Mozilla · Full Time · a month ago
United States $116K - $183K per year 10+ yrs exp Software Development

The Staff Application Engineer will architect and build the Salesforce platform to support enterprise product lines, including lead-to-cash processes and AI-assisted workflows. They will own the technical health of the platform, establish governance practices, and lead integrations with systems like NetSuite and BigQuery.

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Senior Strategic Account Executive, Firefox Enterprise (DACH)

Mozilla · Full Time · a month ago
Germany €88000 - €118K per year 5-10 yrs exp Sales

You will build and manage a sales pipeline across the DACH region, personally owning the full sales cycle from initial contact to contract signature. You will collaborate with internal teams to develop value cases and drive commercial momentum within large enterprises and public-sector accounts.

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Senior Software Engineer

Mozilla · Full Time · a month ago
United States 2-5 yrs exp Software Development

You will lead backend development and own the end-to-end lifecycle of services, including deployment, operation, and maintenance in production. You will also collaborate with cross-functional teams to ensure system reliability, security, and performance while participating in an on-call rotation.

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Senior Software Engineer

Mozilla · Full Time · a month ago
United States $116K - $183K per year 2-5 yrs exp Software Development

You will lead backend development and own the end-to-end lifecycle of services, including deployment, operation, and maintenance in production. You will also collaborate with cross-functional teams to build resilient systems and participate in an on-call rotation to ensure service reliability.

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Senior Software Engineer

Mozilla · Full Time · a month ago
Canada 95000 - 139K per year 5-10 yrs exp Software Development

You will lead backend development and own the end-to-end lifecycle of services, including deployment, operation, and maintenance in production. You will also collaborate with cross-functional teams to build resilient systems and participate in an on-call rotation to ensure service reliability.

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Strategic Account Manager, Firefox Enterprise (DACH)

Mozilla · Full Time · a month ago
Germany €68000 - €91000 per year 5-10 yrs exp Sales

The Strategic Account Manager will serve as the primary point of contact for enterprise customers, guiding them from pilot through deployment and adoption. They are responsible for maintaining account health, driving renewals, and identifying expansion opportunities within the German, Austrian, and Swiss markets.

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Strategic Account Manager, Firefox Enterprise

Mozilla · Full Time · a month ago
France €53000 - €71000 per year 5-10 yrs exp Sales

The Strategic Account Manager will serve as the primary point of contact for enterprise customers in France, driving adoption, engagement, and retention of Firefox Enterprise. They will coordinate with internal teams to deliver a seamless customer experience while identifying expansion opportunities and managing renewals.

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Senior Strategic Account Executive, Firefox Enterprise (DACH)

Mozilla · Full Time · a month ago
Germany 5-10 yrs exp Sales

The Senior Strategic Account Executive will build and manage a sales pipeline across the DACH region to drive commercial growth for Firefox Enterprise. They will own the full sales cycle, from initial contact and qualification to contract negotiation and closing with large enterprise and public-sector clients.

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Strategic Account Manager, Firefox Enterprise (DACH)

Mozilla · Full Time · a month ago
Germany 5-10 yrs exp Sales

Own strategic customer relationships across Germany, Austria, and Switzerland, guiding customers from pilot through deployment, adoption, and broader rollout. Monitor account health, lead reviews and renewal planning, identify expansion and support opportunities, forecast revenue, and coordinate teams to resolve customer issues.

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Staff Solutions Engineer

Mozilla · Full Time · a month ago
Germany 5-10 yrs exp Software Development

Partner with Sales to guide enterprise customers across Germany, Austria, and Switzerland through technical discovery, solution design, evaluations, pilots, and Firefox Enterprise deployments. Advise on security, architecture, integrations, interoperability, and rollout risks, while creating reusable technical resources and enabling partners.

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Staff Technical Support Manager, Enterprise

Mozilla · Full Time · a month ago
United States 5-10 yrs exp Support

You will build and launch Mozilla's first B2B support operations capability, including the operating model, vendor strategy, and governance. You will also serve as the operational bridge between enterprise customers, product, and engineering teams to ensure high-quality service delivery.

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Staff Technical Support Manager, Enterprise

Mozilla · Full Time · a month ago
Germany €57000 - €76000 per year 5-10 yrs exp Support

You will build and lead Mozilla's first B2B support operations, designing the operating model, vendor strategy, and governance frameworks. Additionally, you will manage vendor relationships, oversee incident responses, and act as the operational bridge between enterprise customers and internal engineering teams.

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Senior Software Engineer, Cloud Engineering

Mozilla · Full Time · a month ago
Canada 95000 - 139K per year 5-10 yrs exp Software Development

You will build and maintain internal developer infrastructure, focusing on CI/CD, observability, and Kubernetes optimization. Additionally, you will guide technical decision-making and promote engineering standards to improve developer productivity.

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Senior Software Engineer, Add-Ons

Mozilla · Full Time · a month ago
Canada 94000 - 139K per year 5-10 yrs exp Software Development

You will deliver major features and architectural improvements across the Add-ons stack, including moderation pipelines and developer tools. You will also establish engineering standards for production readiness, observability, and CI/CD to ensure reliable and scalable platform operations.

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Senior Software Engineer, Add-Ons

Mozilla · Full Time · a month ago
France €53000 - €71000 per year 5-10 yrs exp Software Development

You will deliver major features and architectural improvements across the Add-ons stack, including moderation pipelines and developer tools. Additionally, you will establish engineering standards and build robust observability systems to ensure platform reliability.

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Senior Software Engineer, Add-Ons

Mozilla · Full Time · a month ago
Germany €68000 - €91000 per year 5-10 yrs exp Software Development

You will deliver major features and architectural improvements across the Add-ons stack while establishing engineering standards for production readiness and reliability. You will also collaborate with cross-functional teams to modernize platform tools and ensure the safety and performance of production services.

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Senior Software Engineer, Add-Ons

Mozilla · Full Time · a month ago
United Kingdom £66000 - £87000 per year 5-10 yrs exp Software Development

You will deliver major features and architectural improvements across the Add-ons stack, including automated moderation pipelines and developer tools. You will also establish engineering standards for production readiness, observability, and incident response to ensure a high-quality experience for developers.

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Senior Software Engineer, Add-Ons

Mozilla · Full Time · a month ago
Belgium €56000 - €74000 per year 5-10 yrs exp Software Development

You will deliver major features and architectural improvements across the Add-ons stack, including moderation pipelines and developer tools. You will also establish engineering standards for production readiness, observability, and CI/CD to ensure safe and reliable software delivery.

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Senior Software Engineer, Add-Ons

Mozilla · Full Time · a month ago
Finland €45000 - €60000 per year 5-10 yrs exp Software Development

You will deliver major architectural improvements and features across the Add-ons stack, including moderation pipelines and developer tools. Additionally, you will establish engineering standards for production readiness, observability, and CI/CD to ensure safe and reliable software delivery.

technical-writing cloud creative security architecture medical automated-testing
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Senior Software Engineer, Add-Ons

Mozilla · Full Time · a month ago
Spain €58000 - €77000 per year 5-10 yrs exp Software Development

You will deliver major features and architectural improvements across the Add-ons stack, including moderation pipelines and developer tools. You will also establish engineering standards and improve CI/CD pipelines to ensure safe, reliable, and scalable production deployments.

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Senior Software Engineer, Add-Ons

Mozilla · Full Time · a month ago
Netherlands €66000 - €88000 per year 5-10 yrs exp Software Development

You will deliver major features and architectural improvements across the Add-ons stack, including moderation pipelines and developer tools. Additionally, you will establish engineering standards for production readiness, observability, and CI/CD practices.

technical-writing cloud creative security architecture medical automated-testing
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Senior Software Engineer, Add-Ons

Mozilla · Full Time · a month ago
Sweden 512K - 683K per year 5-10 yrs exp Software Development

You will deliver major features and architectural improvements across the Add-ons stack, including automated moderation pipelines and developer tools. Additionally, you will establish engineering standards for production readiness, observability, and CI/CD to ensure safe and reliable software delivery.

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Staff Data Scientist, Ads

Mozilla · Full Time · a month ago
United States $139K - $218K per year 5-10 yrs exp Software Development

The Staff Data Scientist will partner with cross-functional teams to identify high-impact opportunities and own complex analytical problems from framing to recommendation. They will develop measurement frameworks for advertising products and translate complex data findings into clear business strategies for senior leadership.

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Staff Operations Engineer

Mozilla · Full Time · a month ago
Canada 116K - 171K per year 5-10 yrs exp Software Development

The Staff Operations Engineer will lead the design, reliability, and evolution of hybrid-cloud and workplace infrastructure while driving complex, high-impact technical initiatives. This role involves cross-team collaboration to unify solutions, improve system reliability, and mentor engineers to raise technical standards.

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Staff Data Scientist, Ads

Mozilla · Full Time · a month ago
United States 10+ yrs exp Software Development

The Staff Data Scientist will partner with cross-functional teams to identify high-impact opportunities and develop measurement frameworks for advertising products. They will own complex analytical problems end-to-end, translating findings into clear recommendations for senior leadership.

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Major Gifts Officer

Mozilla · Full Time · 2 months ago
Canada, Germany, United Kingdom +1 more $102K - $164K per year 5-10 yrs exp Others

The Major Gifts Officer is responsible for identifying, cultivating, and closing major gifts ranging from $50,000 to over $1M. They will manage a portfolio of donors, document interactions in Salesforce, and collaborate with leadership to create compelling cases for support.

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Staff Product Engineer, Enterprise AI

Mozilla · Full Time · 2 months ago
Canada, United States $185K - $220K per year 10+ yrs exp Software Development

You will own the implementation of Thunderbolt product features from concept through launch, working across the full stack to build AI-powered tools for enterprise use. You will collaborate with cross-functional teams to translate product vision into executable technical plans while ensuring high standards for quality, security, and reliability.

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Director, Portfolio Management (Mozilla.org)

Mozilla · Full Time · 2 months ago
United States $240K - $280K per year 10+ yrs exp Others

The Director of Portfolio Management will lead portfolio planning, governance, and performance management across Mozilla's various organizations. They are responsible for integrating strategic priorities, managing capital allocation, and facilitating cross-organizational execution to advance the nonprofit mission.

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Staff Product Manager, Search Experiences

Mozilla · Full Time · 2 months ago
United States $139K - $218K per year 5-10 yrs exp Product

Define and drive the product strategy and roadmap for search features within the Firefox Desktop browser. Lead end-to-end experimentation and partner with cross-functional teams to deliver privacy-respecting, AI-powered search experiences.

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Staff Solutions Engineer (DACH), Firefox Enterprise

Mozilla · Full Time · 5 months ago
Germany €81000 - €108K per year 5-10 yrs exp Software Development

Partner with sales to lead technical discovery and design solutions for Firefox Enterprise across the DACH region. Manage technical relationships with customers to ensure successful evaluation, pilot, and deployment in complex regulated environments.

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Staff Solutions Engineer (DACH), Firefox Enterprise

Mozilla · Full Time · 5 months ago
Germany 5-10 yrs exp Software Development

Lead technical discovery and solution design to help enterprises in the DACH region deploy Firefox Enterprise in secure, regulated environments. Partner with sales to manage technical relationships and validate interoperability across security and infrastructure systems.

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