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Senior Software Engineer at Mozilla, Canada (Remote)

  • Entry Level
  • Full Time
  • Remote
  • Remote



Title: Senior Software Engineer

What is a Senior Software Engineer at Mozilla? 

A Senior Software Engineer is the next level from a Software Engineer. At Mozilla, this role can vary, but is typically someone who is largely self directed after work is assigned and is advanced in their domain. They help team members get information they need to be successful while also being the go-to person for peer reviews in their domain. They have a solid understanding of the product strategy and can recommend solutions to critical issues when needed, assist junior engineers in risk management and escalation, and advocate for and implement changes that affect their team. A Senior Software Engineer actively seeks opinions and ideas from their team members, including those with varied experiences and perspectives to improve more collective results.

About this team and role:

Mozilla seeks to build a work environment that values and makes space for our employees, partners, and the broader community to bring their vast experiences to our mission – to improve the internet. Being inclusive and transparent for the betterment of humankind is at the core of our values.

A healthy and inclusive internet starts with the tools we use to access and discover the Web.  On iOS, we start by developing applications that give people a choice in their browser to experience the Web in an open, safe and healthy environment. Promoting transparency, innovation, inclusion and opportunity from every angle for mobile is at our core.

If you are an iOS Engineer and you want to work for a company that builds products for everyone, join our team!

What you’ll do: 

  • Design, write, maintain, and debug software for large and sophisticated mobile applications
  • Uphold standards for quality by performing code reviews, fixing bugs, crafting tests, and profiling code
  • Collaborating with other teams and mentoring others
  • Crafting experiments to build a better understanding how users interact with our apps
  • Monitor app stability and address crashes
  • Become proficient with our Swift code base
  • Collaborate with a geographically distributed team
  • Work in the open as part of the Mozilla open source project, and engage with Mozilla’s global community

What you’ll bring: 

  • Experience building and shipping native iOS/iPadOS mobile applications
  • Expert coding skills in Swift
  • Understanding of web technologies (HTTP, HTML, JavaScript)
  • Ability to learn and be effective with a large code base
  • Familiar with writing and maintaining unit and integration tests
  • Passionate about learning and sharing knowledge with others
  • Excellent written and verbal communication skills in English
  • Willing to work with, learn, and grow with an outstanding set of people

To apply for this job please visit

Senior Software Engineer at Mozilla, Canada (Remote)
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