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

1 hour, 22 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 1401

Description

  • Lead the design, architecture, and development of native Windows desktop applications using Windows App SDK, WinUI, C#, XAML, and sometimes C++.
  • Define and enforce best practices for Windows desktop development, including architecture, performance, memory usage, responsiveness, compatibility, and maintainability.
  • Drive accessibility efforts by integrating and validating support for Windows accessibility APIs and ensuring usable keyboard, focus, and screen-reader experiences.
  • 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.
  • Contribute to long-term technical direction, including architecture-level decisions and technical design reviews.
  • Mentor other engineers and conduct code reviews as needed.

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 strongly preferred.
  • Deep understanding of Windows application architecture, including interop between managed .NET code and native code.
  • Proven track record of designing, building, and shipping production-quality desktop applications with a focus on reliability, performance, scalability, and maintainability.
  • Strong experience with Windows accessibility APIs such as Microsoft UI Automation or similar, and a commitment to inclusive software.
  • Solid software engineering fundamentals, including OOP, design patterns, data structures, algorithms, memory management, and multithreading or asynchronous programming.
  • Experience leading technical design, mentoring engineers, performing code reviews, and making architecture-level decisions.
  • Strong communication skills and the ability to collaborate across functions and drive consensus.
  • 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 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 shaping CI/CD workflows, release pipelines, and deployment strategies for desktop applications.
  • Preferred ability to own feature areas or modules long term, including maintenance, refactoring, and technical debt management.

Benefits

  • High-impact role with direct influence on the Windows product and millions of users.
  • Collaborative, flat-structure engineering culture with room to contribute as a builder and decision-maker.
  • 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.
  • Purpose-driven mission focused on reliable, accessible, user-centered software that helps people learn.

Interested in this position?

Apply directly on the company website

Apply Now

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