Senior Software Engineer, Firefox Security
Quick answer
Mozilla is hiring a remote Senior Software Engineer, Firefox Security (Germany-based) with a compensation range of €68,000—€91,000 EUR to design, build, and implement security features for enterprise users.
- Role
- Senior Software Engineer, Firefox Security
- Organization
- Mozilla
- Location
- Remote Germany
- Work setup
- Remote
- Level
- Senior
- Compensation
- €68,000—€91,000 EUR
- Category
- Engineering & Technology
- Apply by
- 2026-12-31
The role
Design, build and implement security and hardening features for enterprise users, contribute to and drive cutting-edge improvements to Firefox’s core security posture, and improve browser reliability and performance.
What you'll do
- Design, implement, test, and ship cutting-edge security features
- Contribute to and drive cutting-edge improvements to Firefox’s core security posture
- Improve Firefox’s core security mechanisms
- Work across teams to investigate security issues and deliver robust, maintainable fixes
- Diagnose and resolve issues affecting stability, correctness, performance, and memory usage
What it takes
- 3+ years of experience in low-level software engineering
- Strong proficiency in C and/or C++
- Solid understanding of security fundamentals
- Experience diagnosing and resolving issues in multithreaded, cross-platform native applications
- Familiarity with web technologies (HTML, CSS, JavaScript)
- Ability to work effectively within large, complex, multi-language codebases
What you'll bring
How we treat you
Generous performance-based bonus plans, generous retirement contributions, quarterly all-company wellness days, country specific holidays, one-time home office stipend, annual professional development budget, quarterly well-being stipend, considerable paid parental leave, employee referral bonus program, other benefits (life/AD&D, disability, EAP, etc. - varies by country)
Frequently asked questions
Where is the job located?
The job is remote and based in Germany.
What is the compensation range?
The compensation range is €68,000—€91,000 EUR.
What are the key qualifications required?
Key qualifications include 3+ years of experience in low-level software engineering, strong proficiency in C and/or C++, and a solid understanding of security fundamentals.
How do I apply?
You can apply now through the job posting.
What are the benefits?
Benefits include generous performance-based bonus plans, generous retirement contributions, quarterly all-company wellness days, country specific holidays, one-time home office stipend, annual professional development budget, quarterly well-being stipend, considerable paid parental leave, employee referral bonus program, and other benefits (life/AD&D, disability, EAP, etc. - varies by country).
How to apply
Apply directly on Mozilla's site. We link straight through — no resume parsing, no profile to fill out.
This listing is aggregated from a third-party source and its summary may be auto-generated, so details can be inaccurate or out of date. ForGood is not the employer and is not liable for the content — please verify everything on Mozilla's official posting before applying.
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