Senior Software Engineer, Firefox Security - Mozilla - Remote Germany
Senior Software Engineer
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Job Description
Mozilla is hiring a Senior Software Engineer, Firefox Security in Remote Germany, focusing on advancing Firefox's security architecture, cryptography, web platform security, and browser reliability. The role involves developing security features, collaborating on security initiatives, and participating in technical planning. Candidates should have strong software engineering skills, experience with C/C++, security principles, and web technologies, with an interest in Rust. Benefits include bonuses, health coverage, retirement contributions, wellness days, and professional development budgets. The position supports Mozilla's mission to build an open, accessible internet.
Company Information
| Location | Active listings |
|---|---|
| Remote - Global | 60 |
| Remote Finland | 49 |
| Remote Germany | 47 |
| Remote Netherlands | 46 |
| Remote UK | 45 |
| Remote Belgium | 44 |
| Remote France | 44 |
| Remote Spain | 43 |
| Remote Sweden | 41 |
| Remote Poland | 35 |
| Remote Canada | 32 |
| Remote US | 19 |
| Remote - France | 6 |
| Remote - Netherlands | 6 |
| Remote Denmark | 6 |
| Remote - Belgium | 6 |
| Remote - Germany | 6 |
| Remote - Poland | 6 |
| Remote - Spain | 6 |
| Remote - Finland | 6 |
| Remote - Sweden | 6 |
| Remote - UK | 5 |
| Remote Australia | 5 |
| Remote - Canada | 5 |
| Remote New Zealand | 5 |
| Remote - US | 2 |
| Role type | Active listings |
|---|---|
| Software Engineer | 62 |
| Machine Learning Engineer | 4 |
| Senior Software Engineer | 4 |
| Executive Assistant | 3 |
| Product Manager | 3 |
| Security Engineer | 3 |
| Solutions Engineer | 2 |
| Frontend Engineer | 2 |
| Site Reliability Engineer | 2 |
| Localization Technical Program Manager | 2 |
| Program Manager | 2 |
| Product Director | 1 |
| Grassroots Engagement Director | 1 |
| Web Apps Manager | 1 |
| Engineer | 1 |
| Operations Engineer | 1 |
| Software Test Engineering | 1 |
| Social Media & Content Strategist | 1 |
| Test Engineering Manager | 1 |
| Data Scientist | 1 |
| Security Student Worker | 1 |
| Senior Engineering Manager | 1 |
| Privacy Counsel | 1 |
| AI & Agentic Systems Engineer | 1 |
| Integrated Marketing Consultant | 1 |
| Creative Producer | 1 |
| Application Engineer | 1 |
| Business Development Manager | 1 |
| Quantitative User Researcher | 1 |
| Head of Global and Strategic Intelligence | 1 |
| Strategic Account Executive | 1 |
| iOS Engineer | 1 |
| Marketing Specialist | 1 |
| Fundraising Strategist | 1 |
| Public Policy & Government Relations Manager | 1 |
| Marketing Data Scientist | 1 |
| Strategic Finance and Investment Strategy | 1 |
| Role level | Active listings |
|---|---|
| Mid-Level | 63 |
| Senior | 12 |
| Mid-level | 1 |
Mozilla appears in 581 indexed job postings in JobCrawls' Finland dataset since October 2023. In that historical index, the strongest location signals for this employer are Remote - Global, Remote Finland, and Remote Germany.
Data shown is based on historical job postings from our database.
Job Details
Responsibilities
- Advance Firefox's security architecture and cryptography stack
- Design and implement web platform security features
- Improve browser reliability, performance, and resource efficiency
- Collaborate on security initiatives
- Contribute to technical design and planning
Requirements
- Proficiency in C/C++
- Strong security principles knowledge
- Experience with cryptographic protocols
- Web technologies familiarity
- Interest in Rust
Education Level
None required
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