Senior Software Engineer, Windows/Desktop Applications - Toronto, Canada

3+ in Windows desktop application development using Windows App SDK, WinUI (or similar), C#, XAML — and ideally additional experience with native Windows code (C++, Win32/WinRT/COM).

Deep understanding of Windows application architecture, including interop between managed code (.NET) and native code.

Proven track record of designing, building, and shipping production-quality desktop applications, with an emphasis on reliability, performance, scalability, and maintainability.

Strong experience with accessibility APIs on Windows (e.g. Microsoft UI Automation or similar), and a dedication to building accessible and inclusive software.

Excellent software engineering fundamentals: OOP, design patterns, data structures, algorithms, memory management, multi-threading or asynchronous programming (where relevant).

Experience leading technical design, mentoring other engineers, conducting code reviews, and making architecture-level decisions.

Strong communication skills; ability to articulate tradeoffs, collaborate with cross-functional teams, and drive consensus.

A user-centric mindset: focus on building polished, intuitive, and accessible experiences for end users.

Experience with writing automated tests for UI — unit tests, integration tests, UI automation tests; familiarity with relevant testing frameworks.

Experience with performance optimization for desktop apps (memory usage, startup time, rendering performance, high-DPI support, responsiveness under load).

Experience with localization/globalization, right-to-left UI support, internationalization, accessibility for multiple regions.

Familiarity with telemetry, analytics, crash reporting, logging, and error monitoring in desktop applications.

Previous experience in shaping CI/CD workflows, release pipelines, and deployment strategies for desktop applications.