Darius Letterman
Senior Software Engineer at Microsoft
Prague, Prague, Czechia
Summary
🤩
Rockstar🎓
Top SchoolDarius Letterman is a senior software engineer with 13 years of hands-on experience building and maintaining production-grade applications, currently working at Microsoft from Prague. He blends strong backend engineering and test automation skills with a pragmatic business sense and a passion for agile delivery, having both started projects from scratch and improved legacy systems. His open-source contributions to the high-profile dotnet/extensions repo show attention to robust diagnostics, logging generation, and tricky issues like cyclic references and time-provider correctness. Darius has a track record of mentoring teams and driving collaboration across remote and local environments, focused on efficiency and security. He pairs a practical, research-driven approach to new technologies with a history of resolving complex integration and testing challenges in enterprise contexts. Notably, his background spans federal contract work, midstream systems, and product-focused roles, giving him uncommon breadth across regulated and commercial domains.
13 years of coding experience
10 years of employment as a software developer
Associate's degree, Computer Programming & Web Development, 4.0, Associate's degree, Computer Programming & Web Development, 4.0 at Vatterott College-Tulsa
English, Albanian
Stackoverflow
1,069reputation
62kreached
11answers
1question
Github Skills (17)
unit-testing10
roslyn10
net10
dotnet10
asp-net10
code-generation10
dotnet-core10
csharp10
aspnet-web-api9
asp-net-mvc9
test-automation9
wpf6
odata6
knockoutjs6
jquery6
Programming languages (4)
Github contributions (5)
dotnet/extensions
May 2023 - Mar 2025
This repository contains a suite of libraries that provide facilities commonly needed when creating production-ready applications.
Role in this project:
Back-end Developer & Test Automation Engineer
Back-end Developer & Test Automation EngineerContributions:91 reviews, 25 PRs, 74 pushes in 1 year 10 months
Contributions summary:Darius primarily contributed to the development and testing of a metering generator within the .NET extensions repository. Their work included fixing cyclic reference issues, adding new diagnostic error messages, and implementing unit tests to handle these scenarios. They also addressed issues related to the FakeTimeProvider, specifically focusing on its usage and providing examples of how to properly configure and await tasks. Furthermore, the user worked on the logging generator, handling multiple type definitions and ensuring the correct generation of logging code.
dotnetcommonlyinjectionloggingdependency-injection
dariusclay/opentelemetry-dotnet-contrib
May 2023 - Mar 2024
This repository contains set of components extending functionality of the OpenTelemetry .NET SDK. Instrumentation libraries, exporters, and other components can find their home here.
Contributions:22 pushes, 1 branch in 10 months
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.