Mozilla

Senior Software Engineer

Mozilla · Full Time · 3 days ago

Mozilla

🌎 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 ensure system reliability, security, and performance while participating in on-call rotations.

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Senior Software Engineer

Mozilla · Full Time · 3 days ago

Mozilla

🌎 Canada ⭐ 2-5 yrs exp 💼 Software Development

Lead backend development and maintain server-side logic while taking end-to-end ownership of services in production. Collaborate with cross-functional teams to ensure system reliability, monitor performance, and participate in on-call support rotations.

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Senior Software Engineer

Mozilla · Full Time · 5 days ago

Mozilla

🌎 Canada 💵 95000 - 139K 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 reliable systems and participate in an on-call rotation to ensure service health.

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Senior Software Engineer

Mozilla · Full Time · 5 days ago

Mozilla

🌎 Canada 💵 95000 - 139K 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 ensure system reliability, security, and performance while participating in on-call rotations.

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Senior Software Engineer

Mozilla · Full Time · 5 days ago

Mozilla

🌎 Canada ⭐ 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 · 5 days ago

Mozilla

🌎 Canada ⭐ 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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Engineering Manager, Ads

Mozilla · Full Time · 5 days ago

Mozilla

🌎 United States ⭐ 5-10 yrs exp 💼 Others

You will lead a team of software engineers in building and operating privacy-respecting advertising systems for Firefox. This involves mentoring team members, managing project delivery, and collaborating with cross-functional stakeholders to align technical solutions with business and privacy goals.

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Engineering Manager, Ads

Mozilla · Full Time · 5 days ago

Mozilla

🌎 United States 💵 $166K - $260K per year ⭐ 5-10 yrs exp 💼 Others

Lead a team of software engineers in developing and operating privacy-respecting advertising systems for Firefox Suggest. Partner with cross-functional stakeholders to deliver reliable, scalable backend services while mentoring team members and fostering an inclusive culture.

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Engineering Manager, Ads

Mozilla · Full Time · 5 days ago

Mozilla

🌎 Canada 💵 149K - 220K per year ⭐ 5-10 yrs exp 💼 Others

You will lead a team of software engineers in developing and operating privacy-respecting advertising systems for Firefox Suggest. This involves mentoring team members, managing project delivery, and collaborating with cross-functional stakeholders to align technical outcomes with business and privacy goals.

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Senior Security Engineer, Bug Bounty

Mozilla · Full Time · 6 days ago

Mozilla

🌎 Germany 💵 €68000 - €91000 per year ⭐ 2-5 yrs exp 💼 Software Development

Own and scale Mozilla's web bug bounty program, managing the interface with external researchers and platforms like HackerOne. Lead the triage and technical validation of vulnerability reports and partner with engineering teams to drive remediation.

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Senior Security Engineer, Bug Bounty

Mozilla · Full Time · 6 days ago

Mozilla

🌎 United Kingdom 💵 £66000 - £87000 per year ⭐ 2-5 yrs exp 💼 Software Development

Own and scale Mozilla's web bug bounty program, managing the interface with external researchers and platforms like HackerOne. Lead the triage and technical validation of vulnerability reports and partner with engineering teams to drive remediation.

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Senior Privacy & Compliance Program Manager

Mozilla · Full Time · 10 days ago

Mozilla

🌎 Canada, United States 💵 $115K - $145K per year ⭐ 10+ yrs exp 💼 Product

Coordinate MZLA's privacy and compliance programs, translating legal and security requirements into practical operational processes. Manage vendor reviews, data governance, and audit-readiness efforts to ensure user trust and regulatory compliance.

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Senior Privacy & Compliance Program Manager

Mozilla · Full Time · 10 days ago

Mozilla

🌎 United States 💵 $115K - $145K per year ⭐ 10+ yrs exp 💼 Product

Coordinate MZLA's privacy and compliance programs, translating legal and security requirements into practical operational processes. Manage vendor reviews, data governance, and audit-readiness efforts to ensure user trust and regulatory compliance.

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Senior Privacy & Compliance Program Manager

Mozilla · Full Time · 10 days ago

Mozilla

🌎 Canada 💵 100K - 125K per year ⭐ 10+ yrs exp 💼 Product

Coordinate MZLA's privacy and compliance programs, translating complex requirements into practical processes for products and vendor ecosystems. Manage data governance, DSAR workflows, and audit-readiness efforts while partnering with technical teams to ensure privacy-by-design.

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Technical Content Marketing Specialist

Mozilla · Full Time · 12 days ago

Mozilla

🌎 United States 💵 $72000 - $86000 per year ⭐ 2-5 yrs exp 💼 Writing

Create and execute marketing programs to drive awareness, adoption, and retention for Thunderbird's communication products. This includes managing social media, drafting blog posts, and coordinating product launches across digital channels.

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Technical Content Marketing Specialist

Mozilla · Full Time · 12 days ago

Mozilla

🌎 Canada 💵 72000 - 82000 per year ⭐ 2-5 yrs exp 💼 Writing

Execute day-to-day social media activities and create digital content such as blog posts, newsletters, and product announcements to drive user adoption. Coordinate with cross-functional teams to support product launches and track performance metrics to optimize marketing campaigns.

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Technical Content Marketing Specialist

Mozilla · Full Time · 12 days ago

Mozilla

🌎 Canada, United States 💵 $72000 - $86000 per year ⭐ 2-5 yrs exp 💼 Writing

Create and execute marketing programs to drive awareness and adoption of Thunderbird's communication products across desktop, mobile, and web. Manage day-to-day social media, blog posts, email campaigns, and product announcements while tracking performance metrics.

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Senior Security Engineer, Bug Bounty

Mozilla · Full Time · 13 days ago

Mozilla

🌎 Canada 💵 95000 - 139K per year ⭐ 2-5 yrs exp 💼 Software Development

Own and scale Mozilla's web bug bounty program, managing the interface with external researchers and platforms like HackerOne. Lead the triage and technical validation of vulnerability reports and partner with engineering teams to drive remediation.

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Senior Security Engineer, Bug Bounty

Mozilla · Full Time · 13 days ago

Mozilla

🌎 United States ⭐ 2-5 yrs exp 💼 Software Development

Own and scale Mozilla's web bug bounty program, managing external researchers and platforms like HackerOne. Lead the triage and remediation of vulnerabilities while partnering with engineering teams to improve secure development practices.

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Senior Security Engineer, Bug Bounty

Mozilla · Full Time · 13 days ago

Mozilla

🌎 United States 💵 $116K - $183K per year ⭐ 2-5 yrs exp 💼 Software Development

Own and scale Mozilla's web bug bounty program, managing the interface with external researchers and platforms like HackerOne. Lead the triage, technical validation, and remediation of vulnerabilities in partnership with engineering and SIRT teams.

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Senior Software Engineer, Accessibility

Mozilla · Full Time · 18 days ago

Mozilla

🌎 Canada 💵 95000 - 139K per year ⭐ 5-10 yrs exp 💼 Software Development

Improve the architecture, stability, and performance of the core Gecko accessibility engine within the Firefox browser. Collaborate with design and front-end teams to remediate accessibility issues and influence web standards.

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Senior Software Engineer, Accessibility

Mozilla · Full Time · 18 days ago

Mozilla

🌎 United States 💵 $116K - $183K per year ⭐ 5-10 yrs exp 💼 Software Development

Improve the architecture, stability, and performance of the core Gecko accessibility engine within the Firefox browser. Collaborate with design and front-end teams to remediate accessibility issues and influence web standards.

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Senior Software Engineer, Accessibility

Mozilla · Full Time · 18 days ago

Mozilla

🌎 United States ⭐ 5-10 yrs exp 💼 Software Development

Improve the architecture, stability, and performance of the core Gecko accessibility engine within the Firefox browser. Collaborate with cross-functional teams to remediate accessibility issues and influence web standards for assistive technology.

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Director of Product, Gaming (New Products)

Mozilla · Full Time · 23 days ago

Mozilla

🌎 Canada 💵 208K - 306K per year ⭐ 10+ yrs exp 💼 Others

Lead the vision and strategy for new gaming products, defining the business model and go-to-market strategy for Mozilla's entry into the PC gaming market. Manage cross-functional teams of design and engineering to build user-centric products and define performance metrics to drive the roadmap.

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Staff Program Manager, Trust & Safety

Mozilla · Full Time · 23 days ago

Mozilla

🌎 Germany 💵 €74000 - €99000 per year ⭐ 5-10 yrs exp 💼 Product

Design and implement safety and compliance initiatives across a diverse product portfolio, including trustworthy AI and marketplace integrity. Partner with cross-functional teams to mitigate risks, manage content moderation, and ensure regulatory compliance.

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Executive Assistant, Finance

Mozilla · Full Time · 23 days ago

Mozilla

🌎 Canada 💵 74000 - 110K per year ⭐ 5-10 yrs exp 💼 Finance

Provide high-level operational support to the CFO and VP of Finance, managing complex calendars and the office's operating rhythm. Handle sensitive financial information and coordinate communications between executive leadership, Board members, and external partners.

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Executive Assistant, Finance

Mozilla · Full Time · 23 days ago

Mozilla

🌎 United States ⭐ 5-10 yrs exp 💼 Finance

Provide high-level operational support to the CFO and VP of Finance, managing complex calendars and the office's operating rhythm. Act as a key point of contact for executive leadership and Board members while handling sensitive financial information.

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Executive Assistant, Finance

Mozilla · Full Time · 23 days ago

Mozilla

🌎 United States 💵 $95000 - $151K per year ⭐ 5-10 yrs exp 💼 Finance

Provide high-level operational support to the CFO and VP of Finance, managing complex calendars and the office's operating rhythm. Handle sensitive financial information and coordinate communications between executive leadership, Board members, and external partners.

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Senior Software Engineer, Firefox Desktop

Mozilla · Full Time · 23 days ago

Mozilla

🌎 United Kingdom 💵 £66000 - £87000 per year ⭐ 2-5 yrs exp 💼 Software Development

Develop and improve Firefox features related to installation, updates, and low-level OS integration for Windows and macOS. Collaborate with a distributed team to scope projects, resolve complex bugs, and drive architectural discussions.

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Senior Software Engineer, Firefox Desktop

Mozilla · Full Time · 23 days ago

Mozilla

🌎 Germany 💵 €68000 - €91000 per year ⭐ 2-5 yrs exp 💼 Software Development

Develop and improve Firefox features related to installation, updates, and low-level OS integration for Windows and macOS. Collaborate with a distributed team to scope projects, participate in code reviews, and resolve complex bugs.

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Senior Software Engineer, Firefox Desktop

Mozilla · Full Time · 23 days ago

Mozilla

🌎 France 💵 €53000 - €71000 per year ⭐ 2-5 yrs exp 💼 Software Development

Develop and improve Firefox features related to installation, updates, and low-level OS integration for Windows and macOS. Collaborate with a distributed team to scope projects, resolve complex bugs, and drive architectural discussions.

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Senior Software Engineer, Firefox Desktop

Mozilla · Full Time · 23 days ago

Mozilla

🌎 Finland 💵 €45000 - €60000 per year ⭐ 2-5 yrs exp 💼 Software Development

Develop and improve Firefox features related to installation, updates, and low-level OS integration for Windows and macOS. Collaborate with a distributed team to scope projects, participate in code reviews, and resolve complex bugs.

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Senior Software Engineer, Firefox Desktop

Mozilla · Full Time · 23 days ago

Mozilla

🌎 Belgium 💵 €56000 - €74000 per year ⭐ 2-5 yrs exp 💼 Software Development

Develop and improve Firefox features related to installation, updates, and low-level OS integration for Windows and macOS. Collaborate with a distributed team to scope projects, resolve complex bugs, and drive architectural discussions.

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Senior Software Engineer, Firefox Desktop

Mozilla · Full Time · 23 days ago

Mozilla

🌎 Netherlands 💵 €66000 - €88000 per year ⭐ 2-5 yrs exp 💼 Software Development

Develop and improve Firefox features related to installation, updates, and low-level OS integration for Windows and macOS. Collaborate with a distributed team to scope projects, participate in code reviews, and resolve complex bugs.

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Senior Software Engineer, Firefox Desktop

Mozilla · Full Time · 23 days ago

Mozilla

🌎 Spain 💵 €58000 - €77000 per year ⭐ 2-5 yrs exp 💼 Software Development

Develop and improve Firefox features related to installation, updates, and low-level OS integration for Windows and macOS. Collaborate with a distributed team to scope projects, resolve complex bugs, and drive architectural discussions.

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Senior Software Engineer, Firefox Desktop

Mozilla · Full Time · 23 days ago

Mozilla

🌎 Sweden 💵 513K - 684K per year ⭐ 2-5 yrs exp 💼 Software Development

Develop and improve Firefox features related to installation, updates, and low-level OS integration for Windows and macOS. Collaborate with a distributed team to scope projects, resolve complex bugs, and drive architectural discussions.

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Senior Staff Data Scientist

Mozilla · Full Time · 24 days ago

Mozilla

🌎 United States ⭐ 10+ yrs exp 💼 Software Development

Act as an analytical leader partnering with senior executives to drive long-term strategy through data-driven recommendations. Design sophisticated analytical solutions for complex problems and mentor other data scientists to elevate organizational quality.

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Senior Staff Data Scientist

Mozilla · Full Time · 24 days ago

Mozilla

🌎 United States 💵 $139K - $218K per year ⭐ 10+ yrs exp 💼 Software Development

Act as an analytical leader partnering with senior executives to drive long-term strategy through data-driven recommendations. Design sophisticated analytical solutions for complex problems and mentor other data scientists to elevate organizational quality.

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Senior Business Development Manager, New Products

Mozilla · Full Time · 24 days ago

Mozilla

🌎 Canada 💵 129K - 189K per year ⭐ 5-10 yrs exp 💼 Sales

Lead the go-to-market motion for a new browser infrastructure platform by identifying design partners and converting early demand into commercial contracts. You will manage the full sales cycle from discovery to pilot and collaborate with engineering to shape the product roadmap.

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Senior Staff AI & Agentic Systems Engineer

Mozilla · Full Time · 24 days ago

Mozilla

🌎 United States ⭐ 10+ yrs exp 💼 Software Development

Lead the architectural design and implementation of next-generation AI agent frameworks and autonomous workflows. Establish engineering standards for building, evaluating, and scaling production-grade agentic systems within an internal incubator.

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Senior Staff AI & Agentic Systems Engineer

Mozilla · Full Time · 24 days ago

Mozilla

🌎 Canada 💵 149K - 220K per year ⭐ 10+ yrs exp 💼 Software Development

Lead the architectural design and implementation of next-generation AI agent frameworks and autonomous workflows. Establish engineering standards for building, evaluating, and scaling production-grade agentic systems within an internal incubator.

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Senior Business Development Manager, New Products

Mozilla · Full Time · 24 days ago

Mozilla

🌎 United States 💵 $152K - $238K per year ⭐ 5-10 yrs exp 💼 Sales

Lead the go-to-market motion for a new browser infrastructure platform by identifying design partners and converting early demand into commercial contracts. You will manage the full sales cycle from exploratory conversations to pilots and commercial deployment while partnering with engineering to shape the product roadmap.

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Senior Staff AI & Agentic Systems Engineer

Mozilla · Full Time · 24 days ago

Mozilla

🌎 United States 💵 $166K - $260K per year ⭐ 10+ yrs exp 💼 Software Development

Lead the architectural design and implementation of next-generation AI agent frameworks and autonomous workflows. Establish engineering standards for building, evaluating, and scaling production-grade agentic systems within an internal incubator.

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Senior Business Development Manager, New Products

Mozilla · Full Time · 24 days ago

Mozilla

🌎 United States ⭐ 5-10 yrs exp 💼 Sales

Lead the go-to-market motion for a new browser infrastructure platform by identifying design partners and converting demand into commercial contracts. Collaborate with engineering to translate customer needs into product requirements and build strategic partnerships with AI and infrastructure vendors.

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Senior Product Security Engineer

Mozilla · Full Time · 25 days ago

Mozilla

🌎 Spain 💵 €58000 - €77000 per year ⭐ 5-10 yrs exp 💼 Software Development

Deliver major features and architectural improvements for the Firefox add-ons ecosystem, including moderation pipelines and developer tools. Ensure platform reliability and security through monitoring, incident response, and collaboration with cross-functional teams.

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Senior Software Engineer, Firefox Desktop

Mozilla · Full Time · a month ago

Mozilla

🌎 Canada 💵 94000 - 151K per year ⭐ 2-5 yrs exp 💼 Software Development

Develop and improve Firefox features related to installation, updates, and low-level OS integration for Windows and macOS. Collaborate with a distributed team to scope projects, resolve complex bugs, and drive architectural discussions.

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Product Director, Common Voice (12 month Fixed-Term)

Mozilla · Part Time · a month ago

Mozilla

🌎 Canada, Germany, United Kingdom, United States 💵 $129K - $182K per year ⭐ 5-10 yrs exp 💼 Product

The Product Director is responsible for the overall success, vision, and roadmap of the Common Voice project. This includes overseeing engineering delivery, managing interim community engagement, and defining success metrics for the platform.

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Staff Program Manager, Trust & Safety

Mozilla · Full Time · a month ago

Mozilla

🌎 Canada 💵 104K - 153K per year ⭐ 5-10 yrs exp 💼 Product

Design and implement safety and compliance initiatives across a diverse product portfolio, including AI and marketplace integrity. Collaborate with cross-functional teams to mitigate risks and optimize Trust & Safety programs through data-driven frameworks.

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Staff Program Manager, Trust & Safety

Mozilla · Full Time · a month ago

Mozilla

🌎 United Kingdom 💵 £72000 - £96000 per year ⭐ 5-10 yrs exp 💼 Product

Design and implement strategic safety and compliance initiatives across a diverse product portfolio, including AI and marketplace integrity. Collaborate with cross-functional teams to identify risks and optimize Trust & Safety programs through data-driven frameworks.

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Staff Program Manager, Trust & Safety

Mozilla · Full Time · a month ago

Mozilla

🌎 United States ⭐ 5-10 yrs exp 💼 Product

Design and implement safety and compliance initiatives across a diverse product portfolio, including AI and marketplace integrity. Partner with cross-functional teams to manage Trust & Safety programs, mitigate risks, and ensure regulatory compliance.

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Staff Program Manager, Trust & Safety

Mozilla · Full Time · a month ago

Mozilla

🌎 United States 💵 $127K - $200K per year ⭐ 5-10 yrs exp 💼 Product

Design and implement safety and compliance initiatives across a diverse product portfolio, including AI and marketplace integrity. Partner with cross-functional teams to manage Trust & Safety programs, mitigate risks, and ensure regulatory compliance.

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Director of Product, Gaming (New Products)

Mozilla · Full Time · a month ago

Mozilla

🌎 United States 💵 $205K - $351K per year ⭐ 10+ yrs exp 💼 Others

Lead the vision and strategy for new gaming products, defining the business model and go-to-market strategy from the ground up. Manage cross-functional design and engineering teams to build user-centric products while aligning with Mozilla's mission.

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Senior Software Engineer, Cloud Engineering

Mozilla · Full Time · a month ago

Mozilla

🌎 Canada 💵 95000 - 139K per year ⭐ 5-10 yrs exp 💼 Software Development

Develop and maintain an Internal Developer Infrastructure Platform focusing on CI/CD, observability, and Kubernetes optimization. Guide technical decision-making and create agentic workflows to improve developer productivity and platform scalability.

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Senior Content Creator (Contract)

Mozilla · Full Time · a month ago

Mozilla

🌎 Germany ⭐ 5-10 yrs exp 💼 Writing

Produce high-performing short-form video content for Firefox's German social channels, including conceptualization, filming, and editing. Manage the @firefox_de community across TikTok, Instagram, and Threads while building partnerships with German creators.

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Creative Producer, Europe (Contract)

Mozilla · Full Time · a month ago

Mozilla

🌎 Germany ⭐ 5-10 yrs exp 💼 Others

Lead the end-to-end production and execution of full-funnel Firefox marketing campaigns across global and regional markets. Manage external agencies, freelancers, and vendors while overseeing budgets, timelines, and operational processes.

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Senior Engineering Manager, AI Product (Thunderbolt)

Mozilla · Full Time · a month ago

Mozilla

🌎 Canada 💵 190K - 220K per year ⭐ 10+ yrs exp 💼 Software Development

Lead the engineering execution and people management for the Thunderbolt AI product as it transitions from R&D to an enterprise-ready phase. This includes managing senior engineers, contributing to the codebase, and establishing production-ready release practices.

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Senior Engineering Manager, AI Product (Thunderbolt)

Mozilla · Full Time · a month ago

Mozilla

🌎 Canada, United States 💵 $215K - $240K per year ⭐ 10+ yrs exp 💼 Software Development

Lead engineering execution and people management for the Thunderbolt AI product, transitioning it from R&D to an enterprise-ready open-source product. This includes managing senior engineers, contributing to the codebase, and establishing scalable operating practices and release disciplines.

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Senior Engineering Manager, AI Product (Thunderbolt)

Mozilla · Full Time · a month ago

Mozilla

🌎 United States 💵 $215K - $240K per year ⭐ 10+ yrs exp 💼 Software Development

Lead engineering execution and people management for the Thunderbolt AI product, transitioning it from R&D to an enterprise-ready state. This includes managing senior engineers, contributing to the codebase, and establishing scalable operating practices for release and quality.

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Senior Security Engineer, Add-ons Operations

Mozilla · Full Time · a month ago

Mozilla

🌎 Germany 💵 €68000 - €91000 per year ⭐ 5-10 yrs exp 💼 Software Development

Deliver major features and architectural improvements for the Add-ons stack, including automated moderation pipelines and reviewer tools. Ensure platform reliability through monitoring, incident response, and the creation of robust observability systems.

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Senior Security Engineer, Add-ons Operations

Mozilla · Full Time · a month ago

Mozilla

🌎 France 💵 €53000 - €71000 per year ⭐ 5-10 yrs exp 💼 Software Development

Deliver major features and architectural improvements for the Firefox add-ons ecosystem, including moderation pipelines and developer tools. Ensure platform reliability and security through monitoring, incident response, and robust observability systems.

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Senior Security Engineer, Add-ons Operations

Mozilla · Full Time · a month ago

Mozilla

🌎 United Kingdom 💵 £65000 - £87000 per year ⭐ 5-10 yrs exp 💼 Software Development

Deliver major features and architectural improvements for the Add-ons stack, including automated moderation pipelines and developer tools. Ensure platform reliability and security through monitoring, incident response, and collaboration with cross-functional teams.

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Senior Software Engineer, Cloud Development

Mozilla · Full Time · a month ago

Mozilla

🌎 Canada 💵 95000 - 139K per year ⭐ 5-10 yrs exp 💼 Software Development

Design, build, and operate the core platform services and APIs that power Mozilla's AI infrastructure at scale. Ensure service reliability, optimize backend performance, and manage Kubernetes-based workloads and deployment pipelines.

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Senior Security Engineer, Add-ons Operations

Mozilla · Full Time · a month ago

Mozilla

🌎 Canada 💵 94000 - 139K per year ⭐ 5-10 yrs exp 💼 Software Development

Deliver major features and architectural improvements for the Add-ons stack, including automated moderation pipelines and reviewer tools. Ensure platform reliability and security through monitoring, incident response, and full-stack development.

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Director of Strategic Finance & Investment Strategy

Mozilla · Full Time · a month ago

Mozilla

🌎 United States 💵 $184K - $289K per year ⭐ 10+ yrs exp 💼 Finance

Lead the long-term financial strategy by developing 3-to-5-year models and conducting rigorous market sizing analyses. Oversee the direct investment portfolio and provide strategic financial guidance to senior leadership and subsidiaries.

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Senior Software Engineer, Firefox Security

Mozilla · Full Time · a month ago

Mozilla

🌎 United Kingdom 💵 £66000 - £87000 per year ⭐ 5-10 yrs exp 💼 Software Development

Advance Firefox's security architecture and cryptography stack, focusing on WebPKI and security-sensitive web APIs. Design and implement secure web platform features while improving browser reliability, performance, and resource efficiency.

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Senior Software Engineer, Firefox Security

Mozilla · Full Time · a month ago

Mozilla

🌎 France 💵 €53000 - €71000 per year ⭐ 5-10 yrs exp 💼 Software Development

Advance Firefox's security architecture and cryptography stack while implementing secure web platform features. Collaborate with cross-functional teams to resolve stability, performance, and security issues within a complex browser environment.

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Senior Software Engineer, Firefox Security

Mozilla · Full Time · a month ago

Mozilla

🌎 Spain 💵 €58000 - €77000 per year ⭐ 5-10 yrs exp 💼 Software Development

Advance Firefox's security architecture and cryptography stack while implementing secure web platform features. Collaborate with cross-functional teams to resolve stability, performance, and security issues within a complex browser environment.

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Senior Software Engineer, Firefox Security

Mozilla · Full Time · a month ago

Mozilla

🌎 Belgium 💵 €56000 - €74000 per year ⭐ 5-10 yrs exp 💼 Software Development

Advance Firefox's security architecture and cryptography stack while implementing secure web platform features. Collaborate with cross-functional teams to resolve stability, performance, and security issues within a complex browser environment.

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Senior Software Engineer, Firefox Security

Mozilla · Full Time · a month ago

Mozilla

🌎 Finland 💵 €45000 - €60000 per year ⭐ 5-10 yrs exp 💼 Software Development

Advance Firefox's security architecture and cryptography stack while designing secure web platform features. Collaborate with cross-functional teams to resolve stability, performance, and security issues within a complex browser environment.

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Senior Software Engineer, Firefox Security

Mozilla · Full Time · a month ago

Mozilla

🌎 Netherlands 💵 €66000 - €88000 per year ⭐ 5-10 yrs exp 💼 Software Development

Advance Firefox's security architecture and cryptography stack while implementing secure web platform features. Collaborate with cross-functional teams to resolve stability, performance, and security issues within a complex browser environment.

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Senior Software Engineer, Firefox Security

Mozilla · Full Time · a month ago

Mozilla

🌎 Sweden 💵 513K - 684K per year ⭐ 5-10 yrs exp 💼 Software Development

Advance Firefox's security architecture and cryptography stack while implementing secure web platform features. Collaborate with cross-functional teams to resolve stability, performance, and security issues within a complex browser environment.

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Senior Software Engineer, Cryptography (Firefox Security)

Mozilla · Full Time · a month ago

Mozilla

🌎 Canada 💵 95000 - 139K per year ⭐ 5-10 yrs exp 💼 Software Development

Advance Firefox's security architecture and cryptography stack, focusing on cryptographic protocols and WebPKI. Design and implement secure, interoperable web platform features while improving browser reliability and performance.

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Senior Software Engineer, Cryptography (Firefox Security)

Mozilla · Full Time · a month ago

Mozilla

🌎 Germany 💵 €68000 - €91000 per year ⭐ 5-10 yrs exp 💼 Software Development

Advance Firefox's security architecture and cryptography stack, focusing on cryptographic protocols and WebPKI. Design and implement secure, interoperable web platform features while improving browser reliability and performance.

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Senior Machine Learning Engineer, Applied AI Modeling

Mozilla · Full Time · a month ago

Mozilla

🌎 United States 💵 $139K - $218K per year ⭐ 5-10 yrs exp 💼 Software Development

Develop and fine-tune large language models to create intelligent, privacy-aware browser experiences in Firefox. Collaborate with cross-functional teams to prototype and deploy Generative AI features using RAG and intent modeling.

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Staff Solutions Engineer (DACH), Firefox Enterprise

Mozilla · Full Time · 3 months ago

Mozilla

🌎 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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Staff Solutions Engineer (DACH), Firefox Enterprise

Mozilla · Full Time · 3 months ago

Mozilla

🌎 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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Senior Strategic Account Executive, Firefox Enterprise

Mozilla · Full Time · 3 months ago

Mozilla

🌎 Germany ⭐ 10+ yrs exp 💼 Sales

Build and manage the sales pipeline for Firefox Enterprise across the DACH region, targeting large enterprises and public sector accounts. Own the full sales cycle from prospecting and discovery to negotiation and closing commercial wins.

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Senior Strategic Account Executive, Firefox Enterprise

Mozilla · Full Time · 3 months ago

Mozilla

🌎 Germany 💵 €74000 - €99000 per year ⭐ 5-10 yrs exp 💼 Sales

Build and manage the sales pipeline for Firefox Enterprise across the DACH region, targeting large enterprises and public sector accounts. Own the full sales cycle from prospecting and qualification to negotiation and closing commercial wins.

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Head of Editorial + Platforms, Mozilla Ecosystem

Mozilla · Full Time · 3 months ago

Mozilla

🌎 United States 💵 $139K - $175K per year ⭐ 10+ yrs exp 💼 Writing

Lead and unify Mozilla's global editorial vision and storytelling across various platforms, including the main website, social channels, and flagship publications. Act as a strategic partner to coordinate a shared narrative across the entire Mozilla ecosystem to shape public conversation on AI and the internet.

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Staff Data Scientist, Firefox

Mozilla · Full Time · 3 months ago

Mozilla

🌎 United States 💵 $138K - $218K per year ⭐ 10+ yrs exp 💼 Software Development

The Staff Data Scientist will own the analytical strategy for a major product area, defining success metrics and driving data-informed decisions. They will act as a strategic partner to product and engineering leadership while mentoring other data scientists to elevate team standards.

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Staff Data Scientist, Firefox

Mozilla · Full Time · 3 months ago

Mozilla

🌎 United States ⭐ 5-10 yrs exp 💼 Software Development

The Staff Data Scientist will own the analytical strategy for a major product area, defining success metrics and driving data-informed decisions. They will partner with product and engineering leadership to translate business problems into actionable recommendations while mentoring other team members.

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Senior Data Engineer

Mozilla · Full Time · 4 months ago

Mozilla

🌎 United States ⭐ 2-5 yrs exp 💼 Software Development

The Senior Data Engineer will build and manage business data pipelines, transforming telemetry data into reliable, structured datasets for decision-making. They will partner with various teams to ensure data quality, accuracy, and performance while evolving the data platform.

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Senior Data Engineer

Mozilla · Full Time · 4 months ago

Mozilla

🌎 United States 💵 $104K - $164K per year ⭐ 2-5 yrs exp 💼 Software Development

The role involves building and managing business data pipelines, transforming telemetry data into reliable datasets, and partnering with various teams to create models and metrics that inform company decisions. Responsibilities also include monitoring data quality using observability tools and ensuring data governance and privacy policies are enforced across large datasets.

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Senior Data Engineer

Mozilla · Full Time · 4 months ago

Mozilla

🌎 Canada 💵 85000 - 125K per year ⭐ 2-5 yrs exp 💼 Software Development

The Senior Data Engineer will build and manage business data pipelines, transforming telemetry data into reliable, high-quality datasets for decision-making. They will partner with various teams to create models and metrics, ensure data quality through monitoring, and evolve the data platform.

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