Senior Software Engineer, Windows/Desktop Applications - Copenhagen, Denmark

1 hour, 57 minutes 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 Windows desktop development across code architecture, performance, memory usage, UI responsiveness, compatibility, and maintainability.
  • Drive accessibility efforts by integrating and validating Windows accessibility APIs and supporting screen readers, keyboard navigation, and focus management.
  • Collaborate with product designers, UX researchers, QA, and other stakeholders on feature planning, UI/UX architecture, and roadmap decisions.
  • 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.
  • Mentor other engineers and participate in architecture-level technical decisions and code reviews.
  • Contribute to long-term product quality, reliability, and consistency across releases.

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 interop between managed .NET code and native code.
  • Proven experience designing, building, and shipping production-quality desktop applications with strong reliability, performance, scalability, and maintainability.
  • Strong experience with accessibility APIs on Windows, such as Microsoft UI Automation or similar.
  • Excellent 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 articulate tradeoffs, collaborate cross-functionally, and drive consensus.
  • A user-centric mindset focused on polished, intuitive, and accessible experiences.
  • Preferred experience with automated UI testing, including unit tests, integration tests, UI automation tests, and related frameworks.
  • 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 for desktop applications.
  • Preferred experience shaping CI/CD workflows, release pipelines, and deployment strategies for desktop apps.
  • Preferred ability to own feature areas or modules long term, including maintenance, refactoring, and technical debt management.

Benefits

  • A high-impact role with direct influence on the Windows product used by millions of users.
  • A collaborative, flat-structure engineering culture where you help shape technical direction.
  • Opportunities to mentor others and grow into broader technical leadership roles such as Tech Lead or Architect.
  • Flexibility, autonomy, and responsibility to own features end to end.
  • A purpose-driven mission focused on reliable, accessible, user-centered software.

Interested in this position?

Apply directly on the company website

Apply Now

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