SlipstreamJobs tracks this role from the company's public career site. Apply directly on the employer's site.
Speechify is seeking a Senior Software Engineer to lead the design, architecture, and development of native Windows desktop applications. With over 50 million users relying on Speechify's text-to-speech products, this role offers high impact and technical ownership.
You will be responsible for:
- Leading design and architecture of Windows desktop applications using Windows App SDK, WinUI, C#, XAML, and C++ as needed
- Defining and enforcing best practices for Windows development: code architecture, performance, memory management, responsive UI, cross-version compatibility (Windows 10/11+), and maintainability
- Driving accessibility efforts by integrating Microsoft UI Automation and other Windows accessibility frameworks, ensuring keyboard navigation, screen-reader support, and inclusive design
- Collaborating with product designers, UX researchers, QA, and stakeholders on feature planning, UI/UX architecture, and long-term Windows platform roadmap
- Owning the full feature lifecycle from conception through design, implementation, testing, release, and maintenance
- Identifying and resolving complex bugs, performance bottlenecks, memory leaks, rendering issues, and compatibility problems
Required qualifications:
- 3+ years of Windows desktop application development using Windows App SDK, WinUI, C#, and XAML, with ideally additional native Windows experience (C++, Win32/WinRT/COM)
- Deep understanding of Windows application architecture and interop between managed (.NET) and native code
- Proven track record shipping production-quality desktop applications with emphasis on reliability, performance, and maintainability
- Strong experience with Windows accessibility APIs and commitment to building inclusive software
- Solid software engineering fundamentals: OOP, design patterns, data structures, algorithms, memory management, multi-threading
- Experience leading technical design, mentoring engineers, conducting code reviews, and making architecture-level decisions
- Excellent communication and cross-functional collaboration skills
- User-centric mindset focused on polished, intuitive experiences
Preferred experience includes automated UI testing, performance optimization for desktop apps, localization/internationalization, telemetry and crash reporting, CI/CD workflows for desktop applications, and long-term feature ownership with technical debt management.
Speechify operates as a 100% distributed company with ~200 employees globally, including engineers from Amazon, Microsoft, Google, Stanford, and high-growth startups. The company was named Chrome Extension of the Year by Google and received Apple's 2025 Design Award for Inclusivity.
