
501 - 1000 employees
Founded 1998
👥 B2C
🔒 Cybersecurity
B2C • Cybersecurity • Software
Mozilla is a non-profit organization dedicated to promoting an open and accessible internet. They are the makers of the popular Firefox browser, which emphasizes user privacy, speed, and control. Mozilla also offers a range of products that focus on internet security and privacy, including Mozilla VPN, Firefox Relay, and Mozilla Monitor. Additionally, the organization is involved in open-source projects, AI innovation, and advocating for digital rights. Mozilla aims to empower users with trustworthy technology and policies that protect privacy, support open-source AI development, and foster accountability for tech companies.
Selected: 🇬🇧 United Kingdom – Remote (UK).
Selected: 🆕 Date Added.
🕒 Yesterday
Senior Software Engineer securing Firefox, Mozilla’s privacy-minded open-source web browser. Building security features, hardening architecture, and improving reliability across platforms.
🇬🇧 United Kingdom – Remote
💵 £66k - £87k / year
⏰ Full Time
🟠 Senior
🧑💻 Full-stack Engineer
👻 Ghost score 0%
🕒 September 29
Senior Security Engineer protecting Mozilla’s open-source internet products through global incident response. Leading incident command, threat hunting, security automation, and 24/7 response workflows.
🇬🇧 United Kingdom – Remote
💵 £66k - £87k / year
⏰ Full Time
🟠 Senior
👮♂️ Cybersecurity / Security Engineer
👻 Ghost score 0%
🕒 September 22
Contract Software Engineer building Firefox WebCompat dashboards and screenshot pipelines for Mozilla. Improving triage, reporting, metrics, and broken-site analysis tooling.
🌐 Canada, France, +2 more countries – Remote
⏳ Contract/Temporary
🟡 Mid-level
🟠 Senior
🧑💻 Full-stack Engineer
👻 Ghost score 10%
🕒 September 22
Contract Software Engineer improving Mozilla Firefox Gecko Session History tests and correctness. Writing JavaScript and C++ browser-engine tests for Mozilla Firefox.
🌐 France, Germany, +1 more countries – Remote
⏳ Contract/Temporary
🟡 Mid-level
🟠 Senior
🧑💻 Full-stack Engineer
👻 Ghost score 10%
🕒 September 15
Senior Software Engineer modernizing Mozilla Firefox add-ons infrastructure, moderation systems, and developer tools. Building reliable Python/Django platforms serving millions of Firefox users worldwide.
🇬🇧 United Kingdom – Remote
💵 £66k - £87k / year
⏰ Full Time
🟠 Senior
🧑💻 Full-stack Engineer
👻 Ghost score 0%
🕒 September 3
Major Gifts Officer securing major donor commitments for Mozilla Foundation, a nonprofit building a better technology future. Managing cultivation, solicitation, stewardship, proposals, and donor pipelines.
🌐 United States, Canada, +2 more countries – Remote
🏄 California, Maryland, +2 more states – Remote
💵 $79.9k - $177.6k / year
⏰ Full Time
🟡 Mid-level
🟠 Senior
🦅 H1B Visa Sponsor
👻 Ghost score 1%
🕒 August 24
Senior Product Manager improving Mozilla Firefox on iOS and Android. Driving mobile activation, retention, growth experiments and privacy-focused browser experiences.
🕒 August 11
Senior Security GRC Engineer advancing Mozilla’s ISMS, ISO 27001, and SOC 2 compliance programs. Supporting audits, policy governance, risk remediation, and certification readiness at Mozilla.
🇬🇧 United Kingdom – Remote
💵 £81k - £108k / year
⏰ Full Time
🟠 Senior
👮♂️ Cybersecurity / Security Engineer
👻 Ghost score 17%