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

speechify · Bordeauxsenior

In short

▸Desarrollar aplicaciones de escritorio nativas para Windows con C# y WinUI
▸Liderar arquitectura, rendimiento y accesibilidad en apps con enfoque en inclusión
▸Destacar por ser parte de un equipo global sin oficina, con impacto en 50M+ usuarios

Fluent English required for collaboration across global team

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What they ask for

✓3+ años en desarrollo de aplicaciones de escritorio para Windows
✓Experiencia con Windows App SDK, WinUI, C#, XAML
✓Conocimiento profundo de arquitectura de Windows y interoperabilidad .NET/native
✓Experiencia demostrada en accesibilidad (UI Automation, screen readers)
✓Habilidades de liderazgo técnico y mentoría
✓Excelentes fundamentos de ingeniería de software y comunicación

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Windows App SDKWinUIC#XAMLC++Win32WinRTCOMMicrosoft UI Automation.NET

Who should you write to at speechify?

Your free dossier identifies the people who'd interview you — their background, what they value, and how to reach out so you stand out before applying.

Mission The mission of Speechify is to make sure that reading is never a barrier to learning. Over 50 million people use Speechify’s text-to-speech products to turn whatever they’re reading – PDFs, books, Google Docs, news articles, websites – into audio, so they can read faster, read more, and remember more. Speechify’s text-to-speech reading products include its iOS app, Android App, Mac App, Chrome Extension, and Web App. Google recently named Speechify the Chrome Extension of the Year and Apple named Speechify its 2025 Design Award winner for Inclusivity. Today, nearly 200 people around the globe work on Speechify in a 100% distributed setting – Speechify has no office. These include frontend and backend engineers, AI research scientists, and others from Amazon, Microsoft, and Google, leading PhD programs like Stanford, high growth startups like Stripe, Vercel, Bolt, and many founders of their own companies What You’ll Do • Lead the design, architecture, and development of native Windows desktop applications using Windows App SDK, WinUI (or related UI frameworks), C#, XAML, and — when needed — C++. • Define and enforce best-practices for Windows desktop development across the codebase: code architecture, performance, memory usage, responsive UI, cross-version compatibility (Windows 10/11+), and maintainability. • Drive accessibility efforts: integrate and validate support for accessibility APIs (e.g. Microsoft UI Automation or other relevant Windows accessibility frameworks), ensure UI controls, focus management, keyboard navigation, screen-reader support, and usability for users with disabilities. • Collaborate closely with product designers, UX researchers, QA, and other stakeholders to shape feature planning, UI/UX architecture, and long-term roadmap for the Windows platform. • Take ownership of full lifecycle of features: conception → design → implementation → testing → release → maintenance. Ensure quality, reliability, and consistency across releases. • Identify, diagnose, and resolve complex bugs, performance bottlenecks, memory leaks, rendering issues, or compatibility problems — and propose robust architectural or design solutions. An ideal candidate should have Required: • 3+ in Windows desktop application development using Windows App SDK, WinUI (or similar), C#, XAML — and ideally additional experience with native Windows code (C++, Win32/WinRT/COM). • Deep understanding of Windows application architecture, including interop between managed code (.NET) and native code. • Proven track record of designing, building, and shipping production-quality desktop applications, with an emphasis on reliability, performance, scalability, and maintainability. • Strong experience with accessibility APIs on Windows (e.g. Microsoft UI Automation or similar), and a dedication to building accessible and inclusive software. • Excellent software engineering fundamentals: OOP, design patterns, data structures, algorithms, memory management, multi-threading or asynchronous programming (where relevant). • Experience leading technical design, mentoring other engineers, conducting code reviews, and making architecture-level decisions. • Strong communication skills; ability to articulate tradeoffs, collaborate with cross-functional teams, and drive consensus. • A user-centric mindset: focus on building polished, intuitive, and accessible experiences for end users. Preferred / Bonus:<

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