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Senior Software Engineer, Windows/Desktop Applications - Bilbao, Spain

1 hour, 24 minutes ago
Spain
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 1063

Description

  • Lead the design, architecture, and development of native Windows desktop applications.
  • Define and enforce best practices for code architecture, performance, memory usage, responsiveness, compatibility, and maintainability.
  • Drive accessibility efforts by integrating and validating Windows accessibility APIs and supporting assistive technologies.
  • Collaborate with product designers, UX researchers, QA, and other stakeholders on feature planning and UI/UX architecture.
  • Own features end-to-end from conception through design, implementation, testing, release, and maintenance.
  • Identify and resolve complex bugs, performance bottlenecks, memory leaks, rendering issues, and compatibility problems.
  • Propose robust architectural and design solutions to improve the Windows platform.
  • Mentor other engineers, conduct code reviews, and contribute to technical direction and architecture decisions.

Requirements

  • 3+ years of experience in Windows desktop application development using Windows App SDK, WinUI, C#, and XAML.
  • Experience with native Windows code such as C++, Win32, WinRT, or COM is ideal.
  • 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.
  • 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 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 collaborate across cross-functional teams and drive consensus.
  • A user-centric mindset focused on polished, intuitive, and accessible experiences.
  • Preferred: experience writing automated UI, integration, or unit tests using relevant testing frameworks.
  • Preferred: experience optimizing desktop app performance, 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 apps.
  • Preferred: experience shaping CI/CD workflows, release pipelines, and deployment strategies for desktop applications.
  • Preferred: demonstrated ability to own feature areas or modules long term, including maintenance, refactoring, and technical debt management.

Benefits

  • Work on a high-impact product that influences what millions of users see and experience.
  • Collaborative, flat-structure engineering culture with decision-making ownership.
  • Opportunities to mentor others and grow into broader technical leadership roles.
  • Flexibility, autonomy, and responsibility to own features end-to-end.
  • Purpose-driven mission focused on reliable, accessible, user-centered software.
  • Remote, 100% distributed work environment with no office.

Interested in this position?

Apply directly on the company website

Apply Now

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