Senior Software Engineer, Windows/Desktop Applications - Philadelphia, PA, USA

4 days, 17 hours 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.
  • Define and enforce best practices for code architecture, performance, memory usage, responsiveness, compatibility, and maintainability.
  • Drive accessibility efforts by integrating and validating support for Windows accessibility APIs and inclusive UI behaviors.
  • Collaborate with product designers, UX researchers, QA, and other stakeholders on feature planning and UI/UX architecture.
  • Own features through the full lifecycle from conception and design to implementation, testing, release, and maintenance.
  • Identify, diagnose, and resolve complex bugs, performance bottlenecks, memory leaks, rendering issues, and compatibility problems.
  • Propose robust architectural and design solutions to improve reliability and quality across releases.
  • Lead technical design discussions, conduct code reviews, mentor engineers, and contribute to architecture-level decisions.

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 ideally preferred.
  • Deep understanding of Windows application architecture, including interoperability between managed (.NET) and native code.
  • Proven track record of designing, building, and shipping production-quality desktop applications.
  • 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 multithreading or asynchronous programming.
  • Experience leading technical design, mentoring engineers, conducting code reviews, and making architecture-level decisions.
  • Strong communication skills and the ability to articulate tradeoffs, collaborate cross-functionally, and build consensus.
  • A user-centric mindset focused on polished, intuitive, and accessible experiences.
  • Preferred experience with automated UI testing, including unit, integration, and UI automation tests.
  • Preferred experience with desktop app performance optimization, including memory usage, startup time, rendering, high-DPI support, and responsiveness.
  • 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 shaping CI/CD workflows, release pipelines, and desktop deployment strategies.
  • Preferred ability to own feature areas or modules long term, including maintenance, refactoring, and technical debt management.
  • Portfolio and LinkedIn links are requested when applying.

Benefits

  • United States-based salary range of $140,000 to $200,000 per year.
  • Bonus eligibility.
  • Stock/equity compensation.
  • High-impact role with direct influence on a product used by millions of people.
  • Collaborative, flat-structure engineering culture.
  • Opportunities to mentor others and grow into broader technical leadership roles.
  • Flexibility, autonomy, and responsibility to own features end-to-end.
  • Purpose-driven work focused on reliable, accessible, user-centered software.

Interested in this position?

Apply directly on the company website

Apply Now

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