Senior .NET/Desktop Engineer | UX-Focused FinTech

Fidelity Investments Inc.; Texas; On-site; USD 130,000 - 170,000; Full time

Job summary

Fidelity Investments in Westlake, TX seeks a Senior Software Engineer to advance our digital desktop experiences. You will own end-to-end features for Fidelity’s desktop platforms, collaborating with product, design, and backend teams to deliver scalable, high-quality software.

You’ll apply modern programming languages, testing practices, and DevOps culture to accelerate delivery and improve customer outcomes. Onsite work is required in Westlake, Texas.

Qualifications

• Experience with .NET/C#/XAML desktop apps.
• Proficiency with WPF, Xamarin.Forms, or .NET MAUI.
• Experience with Azure DevOps or GitHub pipelines.
• Familiar with CI/CD, testing, and automated validation.
• Strong communication and collaboration in cross-functional teams.

Responsibilities

• Develop desktop features from concept to deployment.
• Collaborate across autonomous cross-functional teams.
• Improve Fidelity's desktop apps and digital experience.

Tools

.NET/C#/XAML

HTTP APIs

Networking basics

Desktop frameworks (WPF/Xamarin/.NET MAUI)

Azure DevOps / GitHub pipelines

Performance tuning

Visual design & prototyping

Unit testing (MSUnit/NUnit/xUnit)

API design & microservices

DevOps / CI/CD

Job description

Fidelity Investments in Westlake, TX seeks a Senior Software Engineer to advance our digital desktop experiences. You will own end-to-end features for Fidelity’s desktop platforms, collaborating with product, design, and backend teams to deliver scalable, high-quality software.

You’ll apply modern programming languages, testing practices, and DevOps culture to accelerate delivery and improve customer outcomes. Onsite work is required in Westlake, Texas.