Senior Software Engineer - OS Integration & Installations (C/C++)

Mozilla's Firefox Desktop Integrations team in Finland is seeking a Senior Software Engineer to help shape OS integration on Windows and macOS. You will work across distributed teams to deliver secure, fast, and user-friendly installation and update experiences.

You’ll contribute to architectural discussions, own scoped projects, review code, and tackle low-level platform challenges that impact hundreds of millions of users worldwide, while collaborating with teammates across time zones.