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Senior Software Engineer, Windows/Desktop Applications - Cologne, Germany

1 hour, 44 minutes ago
Germany
Full-time
Senior
Software Engineer
Software Development
C# C++ CI/CD .NET
Apply Now
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
View All Jobs 1783

Description

  • Lead the design, architecture, and development of native Windows desktop applications.
  • Define and enforce best practices for code architecture, performance, memory usage, UI responsiveness, cross-version compatibility, and maintainability.
  • Drive accessibility efforts by integrating and validating Windows accessibility APIs and related UI behavior.
  • Collaborate with product designers, UX researchers, QA, and other stakeholders on feature planning and Windows UI/UX architecture.
  • Own features through the full lifecycle 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.
  • Make architecture-level decisions and contribute to long-term technical direction for the Windows platform.
  • Mentor other engineers and conduct code reviews.
  • Shape feature areas or modules over time, including refactoring and technical debt management.

Requirements

  • 3+ years of experience in Windows desktop application development using Windows App SDK, WinUI or similar frameworks, C#, and XAML.
  • Additional experience with native Windows code such as C++, Win32, WinRT, or COM is strongly preferred.
  • Deep understanding of Windows application architecture, including interoperability between managed .NET code and native code.
  • Proven experience 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 frameworks.
  • Excellent 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 with the ability to explain tradeoffs, collaborate cross-functionally, and drive consensus.
  • A user-centric mindset focused on polished, intuitive, and accessible experiences.
  • Experience writing automated UI tests, including unit, integration, or UI automation tests, is preferred.
  • Experience with desktop app performance optimization, including memory usage, startup time, rendering performance, high-DPI support, and responsiveness under load, is preferred.
  • Experience with localization, globalization, right-to-left UI support, or internationalization is preferred.
  • Familiarity with telemetry, analytics, crash reporting, logging, and error monitoring in desktop applications is preferred.
  • Experience shaping CI/CD workflows, release pipelines, and deployment strategies for desktop applications is preferred.

Benefits

  • High-impact role with the opportunity to shape the future of Speechify’s Windows product.
  • Collaborative, flat-structure engineering culture.
  • Opportunities to mentor others and grow into broader technical leadership roles.
  • Flexibility, autonomy, and responsibility in how you solve problems and own features end-to-end.
  • Purpose-driven mission focused on building reliable, accessible, user-centered software.
  • Remote, fully distributed work environment with no office.

Interested in this position?

Apply directly on the company website

Apply Now

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