Staff Software Engineer, Mozilla VPN

Mozilla; United States; Remote; USD 138,000 - 217,000; Full time

Job summary

Mozilla is seeking an experienced software engineer to join its fully remote team. The role involves developing and optimizing the Mozilla VPN client, requiring expertise in C/C++, networking protocols, and cross-platform applications. Join Mozilla to shape the future of internet privacy and security.

Benefits

Generous performance-based bonus plans

Rich medical, dental, and vision coverage

Generous retirement contributions

Quarterly all-company wellness days

Country specific holidays plus a day off for your birthday

One-time home office stipend

Annual professional development budget

Quarterly well-being stipend

Considerable paid parental leave

Employee referral bonus program

Qualifications

• 6+ years of software engineering experience.
• Expert level proficiency in C/C++.
• Extensive knowledge of core OS concepts of Windows or Mac.

Responsibilities

• Drive the architecture, development, and optimization of the Mozilla VPN client across platforms.
• Work closely with cross functional colleagues to drive feature development.
• Maintain high-quality code and enforce security best practices.

Skills

C/C++

Networking protocols

Privacy and security best practices

Cross-platform application development

Debugging

Excellent communication skills

Job description

To learn the Hiring Ranges for this position, please select your location from the Apply Now dropdown menu.

To learn more about our Hiring Range System, please click this link.

Why Mozilla?

Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years. We make pioneering brands like Firefox, the privacy-minded web browser, and Pocket, a service for keeping up with the best content online. Now, with more than 225 million people around the world using our products each month, we’re shaping the next 25 years of technology and helping to reclaim an internet built for people, not companies. Our work focuses on diverse areas including AI, social media, security and more. And we’re doing this while never losing our focus on our core mission – to make the internet better for people.

The Mozilla Corporation is wholly owned by the non-profit 501(c) Mozilla Foundation. This means we aren’t beholden to any shareholders — only to our mission. Along with thousands of volunteer contributors and collaborators all over the world, Mozillians design, build and distribute open-source software that enables people to enjoy the internet on their terms.

About this team and role:

Mozilla VPN is seeking an experienced software engineer to join our fully remote, global engineering team. In this role, you will contribute to the suite of products that make up the Mozilla VPN project, including browser extensions, browser integrations, and the Mozilla VPN client—a cross-platform application available on Windows, macOS, Linux, iOS, and Android. You will be responsible for implementing new features as well as improving the performance and the reliability of existing functionality. Additionally, you will have the opportunity to be at the forefront of innovative, challenging, and technically complex initiatives.

What you’ll do:

• Drive the architecture, development, and optimization of the Mozilla VPN client across platforms (Windows, macOS, Linux, iOS, Android).
• Work closely with cross functional colleagues, providing technical insight to drive feature development.
• Maintain high-quality code, enforce security best practices, and mentor engineers by providing comprehensive and insightful code reviews.
• Triage, debug and resolve software defects

What you’ll bring:

• 6+ years of software engineering experience
• Expert level proficiency in C/C++
• Expertise in networking protocols and privacy and security best practices

Extensive knowledge of core OS concepts of Windows or Mac

• Experience developing cross-platform applications (Windows, macOS, Linux, iOS, Android)

Experience debugging network related problems with Wireshark, tcpdump, or similar tools

• Excellent communication skills and experience mentoring engineers

Bonus points:

• Experience developing cross platform applications with Qt
• Proficiency in any of the following: Rust, Go, Python, Javascript, TypeScript, Git
• Open-source contributions to networking or VPN-related projects
• Experience implementing or improving application observability

What you’ll get:

• Generous performance-based bonus plans to all regular employees - we share in our success as one team
• Rich medical, dental, and vision coverage
• 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
• 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)

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: C

ReqID: R2759

#LI-REMOTE

Hiring Ranges:

US Tier 1 Locations

$163,000—$217,000 USD

US Tier 2 Locations

$150,000—$200,000 USD

US Tier 3 Locations

$138,000—$184,000 USD