Senior Windows Desktop Engineer (WinUI/C#) - Accessibility

Speechify; Riverside (CA); On-site; USD 140,000 - 200,000; Full time

Job summary

Speechify is seeking a senior Windows desktop engineer to design, build, and ship native apps using Windows App SDK and WinUI. You will own key features, drive accessibility, and collaborate with cross-functional teams to deliver reliable, high-performance software.

You will lead architecture decisions, mentor engineers, and ensure code quality across releases, while contributing to long-term product strategy in a fully distributed environment.

Qualifications

• 3+ years of Windows desktop application development with Windows App SDK and WinUI.
• Strong C#/XAML skills and optional C++ experience for native interop.
• Experience shipping production desktop apps with focus on performance and accessibility.
• Familiarity with interop between managed and native code.
• Proven ability to mentor engineers and contribute to architecture decisions.

Responsibilities

• Lead design, architecture, and development of Windows desktop apps with WinUI and C#.
• Define best practices for UI, performance, and cross-version compatibility.
• Drive accessibility efforts including UIAutomation and keyboard navigation.
• Collaborate with designers, QA, and product to shape a long-term roadmap.
• Own features end-to-end from conception to release and maintenance.
• Diagnose complex bugs, performance issues, and memory leaks; propose solutions.

Skills

Windows App SDK

WinUI

C#

XAML

C++

Interop .NET/Native

OOP

Design patterns

Multithreading

Accessibility APIs

Communication

Mentoring

Tools

Visual Studio

Job description

Speechify is seeking a senior Windows desktop engineer to design, build, and ship native apps using Windows App SDK and WinUI. You will own key features, drive accessibility, and collaborate with cross-functional teams to deliver reliable, high-performance software.

You will lead architecture decisions, mentor engineers, and ensure code quality across releases, while contributing to long-term product strategy in a fully distributed environment.