Mozilla

Thunderbird seeks a Technical Support Specialist to deliver expert, empathetic support across its product ecosystem. You will troubleshoot Level 1 & 2 issues, including email protocols (SMTP, IMAP, JMAP) and DNS, using Zendesk. This fully remote role offers a company laptop, annual bonus, profess...

Mozilla seeks a Senior Mixed Methods User Researcher to lead human-centered research in Canada. You will drive product strategy by combining qualitative methods (interviews, usability studies) with quantitative analysis (surveys, data). This role involves mentoring researchers, leveraging AI tool...

We are seeking an Executive Assistant to support VPs on the Communications Marketing Policy Leadership Team. This role requires 5+ years of administrative experience in a tech or multi-location environment, managing travel, expenses, and calendars. You will handle sensitive information, coordinat...

Senior Software Engineer - Engineering Workflow and CI. Join Mozilla to enhance Firefox developer productivity by improving CI/CD systems, build services with Python (FastAPI, Django), and work across platforms. Collaborate with a distributed team, mentor peers, and analyze workflow data. Remote ...

Senior Manager, Firefox Mobile Test Engineering – lead quality strategy for the world’s most privacy-focused mobile browser. Based in Germany, this role demands 10+ years in test engineering, 5+ in technical management, and expertise in exploratory testing, automation, and observability. You’ll s...

Join Mozilla as an iOS Engineer to shape the future of browsing on iOS with Swift and SwiftUI. You’ll design, maintain, and ship native apps, conduct code reviews, and collaborate with a global team. Based in Germany, this role offers generous bonuses, rich medical coverage, and wellness days. Co...

Integrated Marketing Manager sought to lead UK strategy for Mozilla, blending global vision with local cultural execution. You will drive brand relevance through sports, music, and community integration, turning a browser shift into sustained growth. Requires 8+ years in consumer marketing with e...

Mozilla seeks an Integrated Marketing Consultant to lead brand strategy and campaigns for France. Leveraging 8+ years of consumer marketing expertise, you will develop go-to-market plans driving user acquisition and advocacy. Fluency in French and English is essential for this remote role. Join a...

We are seeking an experienced Executive Assistant to support senior leaders across the US and EU. You will manage complex calendars, travel, and expenses while handling sensitive information with discretion. Ideal candidates bring 5+ years of administrative experience in tech, strong Google Suite...

Senior Software Engineer sought to enhance Firefox development workflows and CI systems. You'll build Python services, improve testing automation, and mentor a distributed team. Requires proven Python, JavaScript, and CI/CD expertise (GitHub Actions, CircleCI). Remote-friendly across Europe with ...

Join Mozilla as an iOS Engineer to shape the future of mobile browsing with Swift and SwiftUI. You’ll build high-quality, privacy-focused apps for iOS/iPadOS, collaborating with a global team on open-source innovation. Based in Canada, enjoy generous bonuses, rich benefits, wellness days, and bir...

Senior Marketing Data Scientist sought to drive end-to-end measurement, experiment design, and advanced statistical modeling for marketing investment decisions. Requires 2–3 years of quantitative analysis experience, strong SQL, Python, and reporting skills. Based in the US or Canada, this role o...