Frontend Software Engineer, AI

📍 Nice, France

Informatique & Technologie Mozilla Corporation

Job Description

What you’ll do

Build high quality user interfaces and experience for Firefox with accessibility and usability in mind Write code and tests, build prototypes, solve problems with no clear solution, collaborate with other designers and engineers to make the web a better place Learn about a wide variety of problems and solutions across a large, mature codebase Work with multi-functional teams, building relationships and nurturing collaboration to reach shared goals Help to level-up the skills of your fellow engineers through code reviews, giving talks, and/or writing documentation Promote and maintain high standards of code-quality, focusing on performance, testing, security, usability, accessibility and maintainability Work with driven, committed team members to bring the open web to people around the world Contribute to improving engineering practices and procedures What you’ll bring

2+ years experience as a software engineer A background in shipping high quality software Nice to Have Working experience with SQL Familiarity with C++ and/or Rust Interest in and ability to work with a distributed team (requires good asynchronous written communication skills as well as good verbal communication skills) Willingness to provide and receive constructive feedback Contributions through asking questions and proposing new ideas A love of working with others collaboratively A keen interest in AI and bringing value of this tool to users in a privacy preserving and secure way Commitment to our values: Being relationship-minded Having grit What you’ll get

Generous performance-based bonus plans to all eligible 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 hiringaccommodation@mozilla.com 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: E #LI-DNI Contact and application information and other job posting UI elements have been omitted from this refined description to focus on responsibilities and qualifications.

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Job Details

Posted Date: October 13, 2025
Job Type: Informatique & Technologie
Location: Nice, France
Company: Mozilla Corporation

Ready to Apply?

Don't miss this opportunity! Apply now and join our team.