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

Information Technology

51-250 (150)

Founded 2017

1063 open positions

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Senior Software Engineer, Windows/Desktop Applications - São Paulo, Brazil

1 hour, 19 minutes ago

Brazil

Full-time

Senior

Software Engineer

Software Development

C# C++ CI/CD .NET

Apply Now

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, UI responsiveness, compatibility, and maintainability.
Drive accessibility efforts by integrating and validating support for Windows accessibility APIs and inclusive UI behavior.
Collaborate with product designers, UX researchers, QA, and other stakeholders on feature planning and Windows platform roadmap.
Own features end-to-end from conception through design, implementation, testing, release, and maintenance.
Diagnose and resolve complex bugs, performance bottlenecks, memory leaks, rendering issues, and compatibility problems.
Propose robust architectural and design solutions for difficult technical problems.
Mentor other engineers and contribute to technical direction and architecture-level decisions.

Requirements

3+ years of experience in Windows desktop application development using Windows App SDK, WinUI or similar frameworks, C#, and XAML.
Ideally, additional experience with native Windows code such as C++, Win32, WinRT, or COM.
Deep understanding of Windows application architecture, including interop between managed .NET code and native code.
Proven experience designing, building, and shipping production-quality desktop applications with a focus on reliability, performance, scalability, and maintainability.
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 with the ability to explain tradeoffs, collaborate cross-functionally, and drive consensus.
User-centric mindset focused on polished, intuitive, and accessible experiences.
Preferred experience with automated UI tests, performance optimization, localization and globalization, telemetry and crash reporting, and CI/CD workflows for desktop applications.

Benefits

Work on a high-impact product used by millions of people.
Collaborative, flat-structure engineering culture with shared ownership and decision-making.
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 accessible, user-centered software.
Speechify is a 100% distributed company with no office.

Interested in this position?

Apply directly on the company website

Apply Now

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