Staff Software Engineer - Release Engineering

Staff Software Engineer - Release Engineering

at Mozilla Corporation

Team: Firefox

Locations: Remote Finland, Remote Sweden, Remote Denmark, Remote Germany, Remote Netherlands, Remote Belgium, Remote France, Remote Spain, Remote UK, Remote Canada, Remote US, Remote Poland

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

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:

At Mozilla, our Release Engineering team (RelEng) plays a crucial role in ensuring the seamless and reliable delivery of our world-class software products. As a key part of our engineering infrastructure, RelEng is responsible for the continuous deployment of our products, ensuring they reach our users efficiently and without interruption. For instance, we can reliably ship a security fix to 200M users across different platforms and 100 locales in under 24 hours.

We pride ourselves on our collaborative and dynamic work environment. Our engineers are problem-solvers who thrive on tackling complex challenges and continuously seek to improve our infrastructure. We believe in the power of open-source software and contribute to the community through our work.

If you are passionate about continuous deployment and automation, the Release Engineering team at Mozilla is the place for you. Join us and be a part of a team that is making a significant impact on the web and beyond.

What you’ll do:

• Help chart the future path of Mozilla’s Release Engineering team
• Write software that scales - tens of thousands of tasks are run to build, test, and release Firefox every single day
• Troubleshoot, resolve, and optimize deployment and infrastructure issues on a large existing codebase - with an emphasis on stability and long-term planning
• Work with a geographically-distributed development team between North America and Europe
• Collaborate with other teams by providing code review and technical direction
• Mentor other team members and be mentored by more senior team members
• Respond to critical service outages (during normal working hours - no on-call rotation is required)

What you’ll bring:

• You have a minimum of 5 years of experience working in an object-oriented programming (OOP) language (preferably Python)
• You have published Android and/or iOS applications for 4 years
• You have built and maintained CI/CD pipelines for 5 years
• You have worked with cloud providers like AWS, GCP, Azure for 3 years
• Several years of experience in making reliable and secure deployments
• Comfortable developing in Windows, macOS, and Linux environments, with experience in shell scripting
• You are pragmatic about how to move things forward in specific time frames including trade-offs and safeguards when implementing new functionality
• You are an excellent communicator and have participated effectively on a team distributed across time zones
• You have a proven track record of finishing projects where the work spans several months
• Commitment to our values: being relationship-minded and 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)