Design, build, and ship cutting-edge security and hardening features for Firefox's enterprise users.
Advance Firefox's security architecture across multiple operating systems, including privilege isolation, trust boundaries, and cryptographic protocols.
Collaborate with distributed teams to investigate security issues and improve reliability, performance, and memory usage in a complex, multithreaded environment.
Mozilla is a non-profit-backed technology company that makes Firefox, a privacy-minded web browser, and other internet innovations. With 225 million monthly users, we are a mission-driven team focused on making the internet better for people.
Design browser engine experiments to evaluate performance, correctness, and developer tooling.
Build engine-level prototypes for reliable programmatic interaction with dynamic web content.
Collaborate with the technical lead to assess trade-offs and shape new browser product direction.
Jobgether is an AI-powered job matching platform that connects candidates with hiring companies through skills-based screening. This role is posted on behalf of a partner company exploring browser technology with a small, technically focused team.
Develop and maintain Linux software across the full Ubuntu stack for next-generation silicon and hardware platforms.
Collaborate with silicon and technology partners on new architectures, optimization, and open-source contributions.
Work remotely with a globally distributed engineering team on Linux, AI, IoT, and emerging technologies.
They develop and maintain Ubuntu across next-generation silicon and hardware platforms, collaborating with global technology partners. The team works in a globally distributed, remote-first environment with a strong focus on open source and engineering excellence.
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.
Develop reliable code for agent-based cybersecurity services across Windows, macOS, and Linux.
Own complex technical initiatives from architecture to delivery, mentoring engineers.
Collaborate with Product, Security, and DevOps teams on endpoint security solutions.
They build endpoint security software that protects organizations across major operating systems. The company values technical excellence, engineering ownership, and continuous learning in a remote-first culture.
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.
Collaborate on building the Hypori app for Windows and support iOS and Android apps in agile development.
Deliver code through a CI/CD pipeline to on-prem and public cloud deployments.
Work on a small team solving large problems with initiative, critical thinking, and clear communication.
Hypori is a high-growth cybersecurity SaaS company providing a virtual workspace platform that lets users access enterprise apps and data from any mobile device with zero data on the endpoint. Backed by $55M in funding, the company is expanding into new commercial and regulated markets and fosters a collaborative, inclusive, startup-oriented culture.
Design and implement high-performance networking code for the Zscaler Client Connector, predominantly using Rust.
Build solid, testable, well-documented foundations to improve code quality across multiple desktop platforms.
Debug complex network-related problems and collaborate with product managers and teams to deliver customer-impacting features.
Zscaler accelerates digital transformation with a Zero Trust Exchange platform that securely connects users and protects against cyberattacks. The company's platform spans 200+ data centers, fostering ownership and collaboration.