Senior Software Development Engineer in Test

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:

This is a hybrid (test operations, SRE)-type role in support of scalable build & test automation as well as architecting test strategy for all mobile platforms. In this senior role, you will be joining a team of quality owners dedicated to applying the highest industry-standard test engineering practices for all our Mozilla mobile products.

What you’ll do:

• Enjoy working collaboratively with a broad range of project teams inside and outside Mozilla including mobile developers, product, localization, release engineering, IT, operations as well as Firebase community and Bitrise support staff.
• Contribute to the team in a spirit of mutual respect and support, look for opportunities to both learn and mentor as the need arises.
• Design, build and maintain test infrastructure to support scalable and robust test automation.
• Provide architectural guidance for manual testing strategies focused on user experience.
• Ensure our CI/CD build & test pipelines and monitoring tools remain reliable for maintaining product integrity for all iOS and Android products.

What you’ll bring:

• 5+ years of experience in iOS and/or Android test automation.
• Fluency in Python, Bash and Linux OS.
• Proficiency with XCode and/or Android Studio.
• Adept with Git standard usage and code reviews.
• Excellent written and verbal communication skills.
• Ability to architect test strategy and provide gap analysis.
• TestOps or SRE, SDET experience.
• Commitment to our values:
• Welcoming differences
• Being relationship-minded
• Practicing responsible participation
• Having grit

Bonus Points for:

• Experience with GCP, AWS or Azure cloud services
• Experience with Jenkins, Github Actions, CircleCI, workflows, or some other CI/CD tools
• Experience developing mobile applications
• Experience with Docker and containers
• Bachelor's degree in Computer Science, or equivalent experience.

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 [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: D

Req ID: R2521

Hiring Ranges: