
Senior Software Engineer, Firefox Security - Mozilla
Software Engineer
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Job Description
Mozilla is hiring a Senior Software Engineer, Firefox Security in Remote US, Core Services, Firefox, Firefox, New Products, Firefox, Core Services, Mozilla.org, Firefox. The role involves advancing Firefox's security architecture and cryptography stack, designing and implementing web platform security features, improving browser reliability, collaborating on security initiatives, and contributing to technical design and planning. Candidates should have strong software engineering and security fundamentals, experience with complex software systems, debugging skills, and familiarity with web technologies and Rust. Benefits include bonuses, health coverage, retirement contributions, wellness days, holidays, home office stipend, professional development budget, parental leave, and more. Mozilla is committed to diversity and inclusion, encouraging applications from all backgrounds.
Company Information
| Location | Active listings |
|---|---|
| Remote Finland | 46 |
| Remote Germany | 44 |
| Remote Netherlands | 43 |
| Remote UK | 42 |
| Remote Belgium | 41 |
| Remote France | 41 |
| Remote Spain | 40 |
| Remote Sweden | 38 |
| Remote Poland | 35 |
| Remote Canada | 32 |
| Remote US | 19 |
| Remote - Global | 15 |
| Remote - Belgium | 6 |
| Remote - Sweden | 6 |
| Remote - Finland | 6 |
| Remote - Germany | 6 |
| Remote - Poland | 6 |
| Remote - France | 6 |
| Remote - Netherlands | 6 |
| Remote - Spain | 6 |
| Remote Denmark | 6 |
| Remote Australia | 5 |
| Remote New Zealand | 5 |
| Remote - Canada | 5 |
| Remote - UK | 5 |
| Remote - US | 2 |
| Role type | Active listings |
|---|---|
| Software Engineer | 51 |
| Product Manager | 2 |
| Localization Technical Program Manager | 2 |
| Quantitative User Researcher | 1 |
| Head of Global and Strategic Intelligence | 1 |
| Security Engineer | 1 |
| Product Director | 1 |
| Application Engineer | 1 |
| Data Scientist | 1 |
| Fundraising Strategist | 1 |
| Grassroots Engagement Director | 1 |
| Engineer | 1 |
| Social Media & Content Strategist | 1 |
| Senior Software Engineer | 1 |
| Machine Learning Engineer | 1 |
| Role level | Active listings |
|---|---|
| Mid-Level | 17 |
| Senior | 10 |
| Mid-level | 1 |
Mozilla appears in 512 indexed job postings in JobCrawls' Finland dataset since October 2023. In that historical index, the strongest location signals for this employer are Remote Finland, Remote Germany, and Remote Netherlands.
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++
- Understanding of security principles
- Experience with complex software systems
- Debugging skills
- Knowledge of web technologies and Rust
Benefits & Perks
