Senior Software Engineer - Experimentation (Nimbus)

We're looking for a new engineer to join our Nimbus team. Nimbus is an automated experimentation and feature delivery system that serves all products and platforms (desktop, mobile, platform, etc.). We enable teams to learn faster through easy to use experimentation coupled with automated analysis and visualization tools. This role would primarily work on the backend of the mobile SDKs we've created to support Firefox experimentation and other growing products at Mozilla . What You'll Do:

• Design and build robust, scalable systems that power experiences in Mozilla products such as Firefox and other web applications
• Help reimagine how we surface and personalize content while respecting our customer's privacy
• Participate in mentoring and knowledge sharing through documentation, code review, and pair programming
• Be accountable for the operation of your services with the potential for on-call rotations
• Help improve the services engineering culture at Mozilla through collaborative projects across the organization
  
  At least 4 years of professional experience in software engineering, building and operating scalable services and applications that support millions of users
• At least 4 years of professional experience working in Python and/or Rust, with experience in (or desire to learn) Kotlin and Swift
• You have experience with API design and development and have supported integrations with your services into desktop and mobile platforms
• You have worked with a distributed team and you can demonstrate good asynchronous written and verbal communication skills
• You know how to approach an existing codebase and improve its architecture through small, planned interventions
  
  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.


• 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.