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Jobs
58 open roles read nightly from companies’ own hiring pages. Each one links to the original ad.
21–40 of 58 jobs
Counts are paused for a minute after many searches; results are still current.
Senior Software Engineer, Firefox Security
3 weeks agoMozilla · Netherlands
RemoteSenior€66K – €88K a yearSecurityMozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years. We make pioneering brands like Firefox, the privacy-minded web browser. Now, with more than 225 million people around the world using our products…
Senior Software Engineer, Firefox Security
3 weeks agoMozilla · Finland
RemoteSenior€45K – €60K a yearSecurityMozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years. We make pioneering brands like Firefox, the privacy-minded web browser. Now, with more than 225 million people around the world using our products…
Senior Software Engineer, Firefox Security
3 weeks agoMozilla · France
RemoteSenior€53K – €71K a yearSecurityMozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years. We make pioneering brands like Firefox, the privacy-minded web browser. Now, with more than 225 million people around the world using our products…
Mozilla · Canada
RemoteContractSeniorCA$93.5K – CA$124.6K a yearData & AIThe 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…
Mozilla · Canada
RemoteLead / staffCA$165K – CA$220K a yearEngineeringMozilla is seeking experienced browser engineers to join a small team exploring new applications of browser technology. The work combines deep systems engineering, rapid experimentation, and close collaboration across technical disciplines.
Mozilla · United States
RemoteLead / staff$195K – $260K a yearEngineeringMozilla is seeking experienced browser engineers to join a small team exploring new applications of browser technology. The work combines deep systems engineering, rapid experimentation, and close collaboration across technical disciplines.
Mozilla · Canada
RemoteContractLead / staffEngineeringFinish 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.
Staff Product Engineer, Enterprise AI
5 weeks agoMozilla · United States
RemoteLead / staff$185K – $220K a yearEngineeringThunderbird is expanding beyond email with Thunderbolt, an open-source AI client designed for organizations that need more control over their data, infrastructure, and model choices.
Staff Solutions Engineer
5 weeks agoMozilla · Germany
RemoteLead / staff€81K – €108K a yearSalesPartner with Sales to support strategic enterprise opportunities across DACH.; Lead technical discovery and solution design with customers and partners.; Run workshops with customer stakeholders across security, infrastructure, IAM, endpoint management, and workplace…
Senior Security Engineer - SecOps
5 weeks agoMozilla · Netherlands
RemoteSenior€66K – €88K a yearSecurityMozilla is looking for an Incident Responder to monitor and mitigate attacks across Mozilla’s products and services. In this position, you will be a part of a flexible team responsible for handling security incidents. As such, you’ll need to have years of practical security…
Mozilla · Remote
RemoteLead / staff$180K – $215K a yearEngineeringAs a Staff Software Engineer, Services, you’ll help shape the architecture and technical direction of web-based products that extend Thunderbird beyond email. The Services team is currently focused on building offerings such as an appointment calendar and secure file storage…
Staff Application Engineer, Salesforce
6 weeks agoMozilla · United States
RemoteLead / staff$137K – $183K a yearEngineeringMozilla IT is seeking a Staff Application Engineer, Salesforce to architect, build, and own the Salesforce platform that runs sales and revenue operations across our enterprise product lines. This is an opportunity to build Salesforce Sales Cloud from scratch to support our…
Mozilla · Germany
RemoteSenior€88K – €118K a yearSalesWe’re now seeking a Senior Strategic Account Executive (DACH) to help grow Firefox Enterprise across Germany, Austria, and Switzerland. This is a high-impact enterprise sales role for someone who is excited to build pipeline, create momentum in a developing market, and close…
Mozilla · France
Remote€53K – €71K a yearSalesFirefox Enterprise is a new team within Mozilla that is 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. We’re now seeking a Strategic…
Mozilla · France
RemoteSalesFirefox Enterprise is a new team within Mozilla that is 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. We’re now seeking a Strategic…
Mozilla · Germany
Remote€68K – €91K a yearSalesFirefox Enterprise is a new team within Mozilla that is 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. We’re now seeking a Strategic…
Mozilla · Germany
RemoteSalesFirefox Enterprise is a new team within Mozilla that is 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. We’re now seeking a Strategic…
Staff Solutions Engineer
6 weeks agoMozilla · Germany
RemoteLead / staffSalesPartner with Sales to support strategic enterprise opportunities across DACH.; Lead technical discovery and solution design with customers and partners.; Run workshops with customer stakeholders across security, infrastructure, IAM, endpoint management, and workplace…
Mozilla · Germany
RemoteSeniorSalesWe’re now seeking a Senior Strategic Account Executive (DACH) to help grow Firefox Enterprise across Germany, Austria, and Switzerland. This is a high-impact enterprise sales role for someone who is excited to build pipeline, create momentum in a developing market, and close…
Mozilla · Belgium +5
RemoteContractSeniorEngineeringYou 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.
Updated 06 Nov 2026 09:37 UTC from the OptiTalent job library.