Overview

At Mozilla we really care about promoting the open web, and that means helping web developers create amazing websites and web-applications. We’d like you to be part of that – help us to help web developers to level-up by creating amazing developer tools.

You’ll be working with a talented group of engineers all around the world to make the Web a better place, and impact the everyday lives of hundreds of millions of users.

The front-end of Firefox Developer tools works just like a web application and interacts with a server that runs on the page being debugged. Both the front-end and the server are written in JavaScript and you’ll be using almost only web technologies.

As a Developer Tools Engineer at Mozilla, you will…

  • Create and maintain tools that are used daily by developers like you.
  • Uphold our standards for quality and performance by performing code reviews, creating automated tests, profiling and debugging our code.
  • Collaborate with a geographically distributed development team.
  • Work in the open as part of the Mozilla open source project, and engage with Mozilla’s global community.
  • Use the best web technologies like the latest Javascript and CSS syntax and features, and React and Redux.

Your Professional Profile

  • Good JavaScript skills and a strong desire to learn.
  • A thorough understanding of web standards and how browsers work.
  • Excellent written and verbal communication skills.
  • Ability to work with a geographically distributed team.
  • Ability to quickly learn and be effective with a large code base.
  • A desire to create solutions for developers.
  • Knowledge of C++ is a plus.

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. Join us to work on the Web as the platform and help create more opportunity and innovation for everyone online.  This position is available in the following offices or remote in these locations : US, Canada, Berlin, London or Paris.

Mozilla is committed to Equal Employment Opportunity throughout our recruiting and hiring process and is dedicated to increasing diversity in our workplace.

About Mozilla

Mozilla is a thriving global community of technologists, thinkers and builders working collaboratively and openly to keep the Internet alive and accessible for all.

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 day. Join our team today and together we’ll make a better Web for tomorrow.

We’re a global community of users, contributors and developers working to keep the power of the Web in people’s hands. The collaborative efforts of Mozillians around the world drive forward the principles and aims of the Mozilla Manifesto.

• More than 1,000 volunteers contribute code to Firefox
• 400,000 people contribute to Mozilla through our project tracking system Bugzilla
• SUMO, Mozilla’s community-powered support site, helps an average of 10,000 Firefox users per week
• Students from more than 600 institutions in 57 countries spread Firefox as Mozilla Campus Representatives

Fast Facts about Mozilla:
• Half a billion people around the world use Firefox
• Firefox is free and open source software, with approximately 40% of its code written by volunteers
• Firefox is available in 89 languages
• More than 50% of global Firefox users use non-English versions
• Offices include: Auckland, Beijing, London, Mountain View, Paris, San Francisco, Portland, Taipei, Tokyo, Toronto, Vancouver