Senior Windows Desktop Architect - WinUI, C#

Speechify; Fort Lauderdale (FL); Hybrid; USD 140,000 - 200,000; Full time

Job summary

Speechify is seeking a Senior Software Engineer to lead the design and development of Windows desktop applications. You will shape architecture, ensure accessibility, and drive high-quality, responsive user interfaces across Windows platforms.

You will collaborate with product designers, UX researchers, and QA to plan features and maintainable roadmaps. This role demands strong communication, leadership, and a user-centric mindset for a polished end-user experience.

Qualifications

• 3+ years in Windows desktop app development using Windows App SDK, WinUI (or similar), C#, XAML, with possible C++ experience.
• Deep understanding of Windows app architecture and interop between managed and native code.
• Proven track record shipping production desktop apps with reliability, performance and maintainability.
• Strong experience with accessibility APIs on Windows and building inclusive software.
• Solid fundamentals: OOP, design patterns, data structures, algorithms, memory management, and multi-threading.
• Experience leading design, mentoring, code reviews, and architecture-level decisions.
• Excellent communication and collaboration skills across cross-functional teams.
• User-centric mindset focused on polished, intuitive experiences.

Responsibilities

• Lead design, architecture, and development of native Windows desktop applications.
• Define and enforce best practices for Windows desktop development across the codebase.
• Drive accessibility efforts and validate UI accessibility APIs and keyboard navigation.
• Collaborate with product designers, UX researchers, QA, and stakeholders on feature planning and roadmap.
• Identify and resolve complex bugs, memory issues, and performance bottlenecks with robust solutions.

Skills

Windows desktop app dev

C#

XAML

C++

WinUI

Windows App SDK

.NET interop

UI accessibility

Multithreading

Code reviews

Architecture decisions

Communication

User-centric design

Job description

Speechify is seeking a Senior Software Engineer to lead the design and development of Windows desktop applications. You will shape architecture, ensure accessibility, and drive high-quality, responsive user interfaces across Windows platforms.

You will collaborate with product designers, UX researchers, and QA to plan features and maintainable roadmaps. This role demands strong communication, leadership, and a user-centric mindset for a polished end-user experience.