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. Accountabilities - Develop, maintain, and improve desktop browser functionality across Windows, macOS, and Linux environments. - Debug and resolve operating-system-specific software defects, including user interface issues and platform integration problems. - Design and implement new features and enhancements that improve product quality, stability, performance, and the overall browsing experience. - Maintain and develop browser installer and updater components across supported operating systems. - Contribute to cross-platform engineering projects and identify solutions that work consistently across different environments. - Investigate complex technical issues involving operating system behavior, application compatibility, security, and reliability. - Support development of OS-related capabilities such as native crash reporting, OS abstraction layers, sandboxing, security hardening, and enterprise data loss prevention integrations. - Break down technical requirements into manageable tasks and collaborate with other engineers to deliver effective solutions.

- Participate in code reviews, provide constructive feedback, and contribute to technical discussions and implementation decisions. - Offer technical guidance to colleagues and help maintain code quality, maintainability, and secure engineering practices. - Work closely with a geographically distributed engineering team and collaborate with stakeholders across the organization. - Continuously improve software quality through testing, debugging, knowledge sharing, and iterative development. Requirements: - At least 5 years of professional software engineering experience. - Strong programming knowledge and practical experience with C and C++. - Demonstrated experience developing desktop applications using C++ on Windows, macOS, or Linux. - Knowledge of web technologies, including JavaScript and HTML. - Understanding of secure coding practices, memory safety concerns, and software security principles. - Strong problem-solving, troubleshooting, and debugging capabilities. - Ability to analyze complex technical problems and develop reliable, maintainable solutions. - Experience participating in code reviews and collaborating with other software engineers. - Strong written and verbal communication skills, with the ability to explain technical concepts and contribute constructively to engineering discussions. - Ability to work effectively and independently within a geographically distributed team. - Commitment to a collaborative engineering culture that prioritizes users, evidence-based decisions, accountability, execution, and continuous learning. Additional experience considered an asset: - Experience developing or maintaining software installers and/or update systems on any operating system.