Senior Staff Full-stack Engineer

Title: Senior Staff Full-stack Engineer – Generative AI

Location: Remote

Category: Firefox

Job Description:

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:

The Firefox team is a community of engineers who care deeply about delivering the fastest, friendliest, most usable browser possible. We are responsible for making the things you see in the browser work securely, quickly, and well! We are looking for a Sr Staff Full Stack Engineer to help us develop and grow new Generative AI driven products and tools. You will play a key role in enabling safe and healthy machine learning and Generative AI driven experiences in Firefox.

What you’ll do:

• Drive the completion of major Generative AI integrations on clear timelines that span across multiple teams and organizations in Mozilla.
• Ensure that the software your team delivers is high quality, measurable, and maintainable.
• Work with front-end teams across Firefox to support, and extend, existing systems to apply innovative ways and technologies in reaching Firefox’s goals
• Partner closely with third party Generative providers to integrate seamlessly in Firefox’s ecosystem.
• Write engineering proposals for the team’s biggest projects and provide feedback for major architectural decisions across the organization.
• Collaborate with management on building consensus across the org and providing guidance.

What you’ll bring:

• 10+ years of overall software engineering experience
• Confirmed ability to effectively lead and ship sophisticated software projects
• Ability to influence roadmaps and execution in the teams you and your team partner with.
• Expertise in working on sophisticated full-stack systems at scale
• Expertise in one of the following back-end technologies: Golang, Rust or Java
• Expertise in one of the following front-end technologies: Javascript, React, or Node.js
• Ability to take initiative in a loosely structured environment to navigate your team to success.
• Mentor and guide junior engineers on the team and across the teams.
• Strong communication skills with internal and external(third party) collaborators.
• Dedication to our values:
  • Welcoming differences
  • Being relationship-minded
  • Practicing responsible participation
  • Having grit

Bonus Points for…

• Experience in cloud based AI integrations such as ChatGPT, Mistral, Claude, Gemini to name a few.
• Experience with large language models providers and AI, prompt engineering and A/B testing experimentation.
• Experience in data privacy
• Experience with the browser extensions architecture or ecosystem.
• Experience working in open source environments.

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
• 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 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: C

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Req ID: R2594