Lead technical architecture and drive complex projects.
Write code, build prototypes, and contribute throughout the development lifecycle.
Mentor engineers through code review and technical discussions.
Thunderbird is one of the world's most trusted open-source email applications, empowering over 20 million people. Our small but growing distributed team includes more than 65 people across seven countries.
Diagnose and verify the long-tail of WebCompat bugs to reduce Firefox's site-breakage backlog.
Write WebCompat interventions and simple, AI-assisted fixes to resolve reported breakages.
Reproduce and triage incoming site-breakage reports while using browser devtools.
Mozilla is the company behind the Firefox browser and a global mission to keep the internet open and accessible to all. The company employs a geographically distributed team and values innovation, collaboration, and user privacy.
Investigate complex web compatibility issues across browser platforms and determine root causes.
Reverse-engineer obfuscated JavaScript and design durable fixes across Mac, Windows, iOS, and Android.
Lead incident response and automate diagnostics using LLM-based tooling.
They focus on making websites work reliably across modern browser environments and platforms. The environment is remote-first, highly autonomous, and built around end-to-end ownership of complex technical projects.