Senior Software Engineer, OS Integration

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Software Engineer, OS Integration based in Canada. We are seeking an experienced Senior Software Engineer to improve how a widely used desktop browser integrates with Windows, macOS, and Linux operating systems. As part of a distributed engineering team, you will develop cross-platform fixes, features, and enhancements that strengthen application quality, security, and reliability. Your work will span desktop application development, operating system integration, and the maintenance of critical installer and updater components. You will investigate complex software defects, contribute to technical design decisions, and help deliver a smoother browsing experience for users worldwide. Through code reviews and close collaboration with engineers across teams, you will also help maintain high engineering standards. This is an opportunity to contribute to open-source technology with a meaningful focus on user privacy, security, and an accessible internet.