Senior Software Engineer, Windows/Desktop Applications - St. Louis, MO, USA

4 weeks, 1 day ago
Full-time
Senior
Software Development
Speechify

Speechify

Speechify is a top-rated text to speech AI app with voice cloning and dubbing features, serving over 10 million users including students and professionals.

Internet Software & Services
51-250
Founded 2017

Description

  • Lead the design, architecture, and development of native Windows desktop applications using Windows App SDK, WinUI, C#, XAML, and C++ when needed.
  • Define and enforce best practices for Windows desktop development across architecture, performance, memory usage, UI responsiveness, cross-version compatibility, and maintainability.
  • Drive accessibility efforts by integrating and validating support for Windows accessibility frameworks, keyboard navigation, screen readers, and usability for users with disabilities.
  • Collaborate with product designers, UX researchers, QA, and other stakeholders on feature planning, UI/UX architecture, and the long-term Windows roadmap.
  • Own features end-to-end from conception and design through implementation, testing, release, and maintenance.
  • Identify, diagnose, and resolve complex bugs, performance bottlenecks, memory leaks, rendering issues, and compatibility problems.
  • Mentor other engineers, conduct code reviews, and contribute to architecture-level decisions.
  • Help shape technical direction and long-term product quality for the Windows platform.

Requirements

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

Benefits

  • Salary range of $140,000 to $200,000 USD per year, plus bonus and stock, depending on experience.
  • 100% distributed work environment with no office.
  • High-impact role with direct influence on the Windows product used by millions of people.
  • Collaborative, flat-structure engineering culture with decision-making ownership.
  • Opportunities to mentor others and grow into broader technical leadership roles.
  • Flexibility, autonomy, and responsibility to own features end-to-end.
  • Purpose-driven mission focused on building reliable, accessible, user-centered software.

Interested in this position?

Apply directly on the company website

Apply Now

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