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Senior Software Engineer, Windows/Desktop Applications - Nantes, France

54 minutes ago
France
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 1395

Description

  • Lead the design, architecture, and development of native Windows desktop applications.
  • Define and enforce best practices for Windows desktop code architecture, performance, memory usage, responsive UI, cross-version compatibility, and maintainability.
  • Drive accessibility efforts by integrating and validating Windows accessibility APIs and supporting keyboard, screen-reader, and focus navigation.
  • Collaborate with product designers, UX researchers, QA, and other stakeholders on feature planning, UI/UX architecture, and the Windows roadmap.
  • Own features end-to-end from conception through design, 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.
  • Support 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 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 interop between managed .NET code 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 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 end-user experiences.
  • Experience with automated UI testing, performance optimization, localization/globalization, telemetry, CI/CD, or release pipelines is preferred.

Benefits

  • High-impact role with the opportunity to define architecture and shape the future of the Windows product.
  • Collaborative, flat-structure engineering culture with real decision-making ownership.
  • Opportunities to mentor others and grow into broader technical leadership roles.
  • Flexibility, autonomy, and end-to-end ownership of features and problem-solving.
  • 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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