Remote Senior Software Engineer, Windows/Desktop Apps

Salary: £53,000 - 93,000 per year

Requirements

• 3+ years of experience in Windows desktop application development using Windows App SDK, WinUI or similar frameworks, C#, and XAML, with ideally additional experience in native Windows code such as C++, Win32, WinRT, or COM.
• Deep understanding of Windows application architecture, including interoperability between managed code (.NET) and native code.
• Proven track record of designing, building, and shipping production-quality desktop applications with a focus on reliability, performance, scalability, and maintainability.
• Strong experience with accessibility APIs on Windows, such as Microsoft UI Automation or similar, and a commitment to building accessible and inclusive software.
• Strong software engineering fundamentals, including OOP, design patterns, data structures, algorithms, memory management, and multi-threading or asynchronous programming where relevant.
• Experience leading technical design, mentoring engineers, conducting code reviews, and making architecture-level decisions.
• Strong communication skills with the ability to articulate tradeoffs, collaborate cross-functionally, and drive consensus.
• A user-centric mindset focused on building polished, intuitive, and accessible experiences for end users.
• Preferred: experience writing automated UI tests, including unit tests, integration tests, and UI automation tests.
• Preferred: experience with performance optimization for desktop apps, including memory usage, startup time, rendering performance, high-DPI support, and responsiveness under load.
• Preferred: experience with localization, globalization, right-to-left UI support, internationalization, and accessibility for multiple regions.
• Preferred: familiarity with telemetry, analytics, crash reporting, logging, and error monitoring in desktop applications.
• Preferred: experience shaping CI/CD workflows, release pipelines, and deployment strategies for desktop applications.
• Preferred: demonstrated ability to own feature areas or modules long term, including maintenance, refactoring, and technical debt management.

Responsibilities

• Lead the design, architecture, and development of native Windows desktop applications using Windows App SDK, WinUI or related UI frameworks, C#, XAML, and when needed C++.
• Define and enforce best practices for Windows desktop development across the codebase, including code architecture, performance, memory usage, responsive UI, cross-version compatibility, and maintainability.
• Drive accessibility efforts by integrating and validating support for accessibility APIs, ensuring UI controls, focus management, keyboard navigation, screen-reader support, and usability for users with disabilities.
• Collaborate closely with product designers, UX researchers, QA, and other stakeholders to shape feature planning, UI/UX architecture, and the long-term roadmap for the Windows platform.
• Take ownership of the full lifecycle of features from conception through design, implementation, testing, release, and maintenance.
• Identify, diagnose, and resolve complex bugs, performance bottlenecks, memory leaks, rendering issues, and compatibility problems, and propose robust architectural or design solutions.

Technologies

• Android
• C#
• CI/CD
• Support
• OOP
• Web
• Windows
• iOS
• UX UI Design
• ASP.NET
• AI
• Architect
• Backend
• Frontend

More

We are Speechify, a purpose-driven company whose mission is to make sure reading is never a barrier to learning. More than 50 million people use our text-to-speech products across iOS, Android, Mac, Chrome Extension, and Web to read faster, read more, and remember more. We are a 100% distributed team of nearly 200 people working globally with no office, and our team includes engineers and leaders from top companies and leading PhD programs. We have been recognized by Google as the Chrome Extension of the Year and by Apple with a 2025 Design Award for Inclusivity. This is a high-impact Windows role where you will shape our product, work with a collaborative flat-structure engineering culture, and have the flexibility, autonomy, and responsibility to help build reliable, accessible software that makes a real difference for users.

last updated 27 week of 2026