Staff Software Engineer - Release Engineering

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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:

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

• Responding 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 cloud providers like AWS GCP Azure for 3 years

• Having several years in making reliable and secure deployments

• Being comfortable developing in Windows macOS and Linux environments experience with 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:

  • Welcoming differences

  • Being relationship-minded

  • Practicing responsible participation

  • 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

• 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 ensure that the internet is 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 and inclusion

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 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 [email protected] 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: R2607