Senior Software Engineer, Firefox Security Mozilla · $76k – $102k Germany just now

Remote Genie; Berlin; Remote; EUR 68,000 - 91,000; Full time

Benefits offered by this job

Bonus plans

Retirement contributions

Home office stipend

Well-being stipend

Paid parental leave

Employee referral bonus

EAP & life/AD&D

Job summary

Mozilla seeks a Senior Software Engineer, Firefox Security to design, implement, and ship cutting-edge security features for enterprise Firefox users. You will strengthen the product’s security posture and collaborate with distributed teams across platforms.

You will advance Firefox’s security architecture across Linux, Windows, and macOS, contributing to cryptographic protocols, WebPKI, and security-sensitive web APIs, while driving robust fixes through cross-team cooperation.

Qualifications

• 3+ years of low-level software engineering experience.
• Proficiency in C and/or C++.
• Solid understanding of security fundamentals.

Responsibilities

• Design, implement, test, and ship security features for Firefox.
• Advance Firefox’s security architecture across multiple operating systems.
• Collaborate to investigate security issues and deliver robust fixes.

Skills

C/C++

Systems programming

Security fundamentals

Debugging

Cross-platform

Job description

Senior Software Engineer, Firefox Security

Germany Senior Cybersecurity 23h ago $76k – $102k

About this role

Why Mozilla?

• Design, build and implement security and hardening features for enterprise users: Design, implement, test, and ship cutting-edge security features that strengthen Firefox’s security posture.
• Advance Firefox’s security architecture across multiple operating systems: Contribute to and drive cutting-edge improvements to Firefox’s core security posture, by building privilege isolation and moving trust boundaries or Strengthen Firefox’s security architecture: Improve Firefox’s core security mechanisms including cryptographic protocols, WebPKI, and security-sensitive web APIs.
• Contribute to our security initiatives: Work across teams to investigate security issues, identify root causes, and deliver robust, maintainable fixes.

What you’ll bring:

• Systems programming experience and security knowledge: 3+ years of experience in low-level software engineering, strong proficiency in C and/or C++, and a solid understanding of security fundamentals.
• Debugging and problem-solving skills: Experience diagnosing and resolving issues in multithreaded, cross-platform native applications, including memory and performance challenges.
• Effective collaboration and communication: Experience working with distributed teams and communicating technical ideas clearly in writing and conversation.

What you’ll get:

• Generous performance-based bonus plans to all eligible employees - we share in our success as one team
• Generous retirement contributions with 100% immediate vesting (regardless of whether you contribute)
• Quarterly all-company wellness days where everyone takes a pause together
• Country specific holidays plus a day off for your birthday
• One-time home office stipend
• Quarterly well-being stipend
• Considerable paid parental leave
• Employee referral bonus program
• Other benefits (life/AD&D, disability, EAP, etc. - varies by country)

About Mozilla

Mozilla exists to build the Internet as a public resource accessible to all because we believe that open and free is better than closed and controlled. When you work at Mozilla, you give yourself a chance to make a difference in the lives of Web users everywhere. And you give us a chance to make a difference in your life every single day. Join us to work on the Web as the platform and help create more opportunity and innovation for everyone online.

Commitment to diversity, equity, inclusion, and belonging

Mozilla understands that valuing diverse creative practices and forms of knowledge are crucial to and enrich the company’s core mission. We encourage applications from everyone, including members of all equity-seeking communities, such as (but certainly not limited to) women, racialized and Indigenous persons, persons with disabilities, persons of all sexual orientations, gender identities, and expressions.

We will ensure that qualified individuals with disabilities are provided reasonable accommodations to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment, as appropriate. Please contact us at [e-mail] to request accommodation.

We are an equal opportunity employer. We do not discriminate on the basis of race (including hairstyle and texture), religion (including religious grooming and dress practices), gender, gender identity, gender expression, color, national origin, pregnancy, ancestry, domestic partner status, disability, sexual orientation, age, genetic predisposition, medical condition, marital status, citizenship status, military or veteran status, or any other basis covered by applicable laws. Mozilla will not tolerate discrimination or harassment based on any of these characteristics or any other unlawful behavior, conduct, or purpose.

Group: D

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Hiring Ranges:

Remote Germany