Staff Software Engineer, Mozilla VPN

Mozilla; Cádiz; A distancia; EUR 40.000 - 65.000; Jornada completa

Descripción de la vacante

Join a leading technology company as a Staff Software Engineer focused on Mozilla VPN. You'll drive architecture, development, and optimization across platforms while mentoring fellow engineers. Enjoy excellent benefits, including performance bonuses and rich health coverage. Be part of a mission-driven organization that prioritizes an open and accessible internet for all.

Servicios

Generous performance-based bonus plans

Rich medical, dental, and vision coverage

Generous retirement contributions with 100% immediate vesting

Quarterly wellness days

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, disability, EAP etc.)

Formación

• 6+ years of software engineering experience.
• Expert level proficiency in C / C++.
• Experience debugging network-related problems.

Responsabilidades

• Drive the architecture and optimization of the Mozilla VPN client across platforms.
• Maintain high-quality code and enforce security best practices.
• Mentor engineers through code reviews.

Conocimientos

C / C++

Networking protocols

Privacy and security best practices

Debugging

Communication

Educación

Bachelor's degree in Computer Science or related field

Herramientas

Wireshark

tcpdump

Descripción del empleo

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Why Mozilla?

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

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 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
• 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
• 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 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

Hiring Ranges

Remote Spain

Seniority level

Seniority level

Mid-Senior level

Employment type

Employment type

Full-time

Job function

Job function

Engineering and Information Technology

Software Development

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