Ability to learn a large and complex code base quickly.

Motivation to learn new tools and techniques for improving existing software.

Work collaboratively with other Firefox teams, other browser vendors and a worldwide community.

Improve the user experience for Firefox users who use various OSes or speak different languages.

Develop and debug in a multi-language, multi-threaded and multi-process code base.

While we write tests largely with HTML and JavaScript, learn on the job. Firefox itself also uses these technologies! The team works together to enhance our existing implementations and with the broader Web community to advance the capabilities of these standardized APIs.ĭo you love the challenges of debugging large, complex C++ code? Do you have a strong interest in continuing to enhance your abilities in software development? Do you feel excited about improving the user experience of the Firefox product so that millions of users benefit? If so, we’d like to hear from you! Web developers whose work is rendered by Gecko rely on these implementations for building modern Web experiences.

We do this by delivering outstanding implementations in Firefox of the standardized APIs, such as DOM, HTML, Events, Editor, Clipboard and so on. We push the boundaries of what the Web is capable of.

We aim for intelligent hardware utilization, excellent user interaction, continuous architecture hardening, and Web compatibility. The DOM: Core team at Mozilla cares deeply about Firefox’s high-performing Web rendering engine, Gecko.

Mozilla firefox developer for hire