.NET & C#

Thirty-plus years deep in the Microsoft stack.

.NET is the through-line of everything we build. Our practice traces back to Microsoft in 1994 — Visual C++ and Visual Basic before .NET existed — and runs unbroken through C# from its earliest versions to .NET 8. Framework upgrades, cloud-native services, ML and AI integration, Blazor front ends: when the platform is .NET, we’ve already shipped it — usually several times, at enterprise scale.

Pre-.NET Roots, Post-.NET 8 Fluency

We were writing Microsoft developer tools before .NET had a name.

This practice started at Microsoft in 1994 — building ActiveX runtime controls in C for Visual C++ and Visual Basic on Windows CE. When C# arrived, we adopted it from its earliest versions and never left, carrying production systems through every major framework generation to .NET 8. That depth is why enterprises hand us their hardest upgrades: we’ve seen every breaking change because we were there when the API was born. Even these websites are proof — both are Blazor apps, statically rendered for SEO, written in C#.

What We Build in .NET

Six .NET disciplines, delivered from legacy Framework estates to cloud-native .NET 8.

Modernization & Framework Upgrades

.NET Framework → .NET Core → .NET 8 — upgrade paths scoped with the Upgrade Assistant, breaking changes triaged per service, shared libraries ported first so every downstream team lands on solid ground. We’ve authored the org-wide upgrade playbooks that other teams follow — and carried the services through ourselves.

Cloud-Native .NET

ASP.NET Core REST services, containerized .NET on Linux, Kubernetes with KEDA autoscaling — .NET that scales like it was born in the cloud, because the way we build it, it was. Dockerfiles, pipelines, and security scans included, not bolted on. See the cloud practice

ML & AI in .NET

Machine learning without leaving the stack: ML.NET time-series forecasting (SSA and SDCA) running inside C# services, and Claude / LLM integration called from .NET back ends. Our own product grades investments with ML.NET and explains the grades with Claude — all orchestrated in C#.

Blazor Web Apps

Full-stack web apps in C# with Blazor WebAssembly, Blazor Server, and static SSR — one language from database to browser. The site you’re reading right now is a Blazor app we built and run in production. We don’t just recommend Blazor; we bet our own storefront on it.

.NET MAUI & Cross-Platform

.NET MAUI for mobile and desktop clients that share code with the server — one C# codebase reaching iOS, Android, Windows, and macOS. When a platform already runs on .NET services, a MAUI client keeps the whole estate in one language and one test discipline.

Testing & Engineering Discipline

xUnit and moq suites in the hundreds of tests — our in-house product ships with 596 — plus TPL and async patterns done correctly, trunk-based development, and C# coding standards we’ve authored for client teams. Fast code that can’t be verified is slow code waiting to happen.

.NET in the Wild — Real Engagements

Four engagements across healthcare, banking, telecom, and our own product — upgrades, cloud-native services, and AI in production C#.

Healthcare · .NET 8 Upgrade

Centene — The .NET 8 Upgrade Playbook for a Fortune-25 Enterprise

Nine months modernizing the utilization-management platform at the Fortune-25 managed-care enterprise: we authored the org-wide .NET Core 3.1 → .NET 8 upgrade playbook other teams followed, ported the shared libraries first — auth, messaging, caching — and personally carried 15+ services through upgrade, Dockerfile, pipeline, and security scans.

Read the full case study
Banking · C#/.NET on Azure

Fiserv — .NET Digital Banking for 2,000+ Banks

Top technologist on a 60+ person program building a C#/.NET cloud stand-in digital banking platform on Azure — serving 2,000+ banks and 10 million banking customers, with Cosmos DB for data and KEDA-driven scale under real transaction load.

Read the full case study
Fintech · ML.NET + Claude

Grade My Investments — 195K Lines of Production C#

Our in-house product: 195K+ lines of C#, 596 tests, 11 background services, and 4 client apps — ML.NET (SSA/SDCA) grading investments with a Claude language layer explaining the results, running on 50+ Azure resources. Built solo in six months, and the standing proof of how we engineer .NET.

Read the full case study
Telecom · Windows → Linux

Windows-Only .NET to Linux Containers for a National Telecom

For a major national telecom provider, we ported Windows-only .NET OSS services to Linux containers: isolating Windows-only DLL dependencies, rewriting data access on EF Core, building Docker/Podman images deployed through Portainer, and integrating IBM DB2 and Informix native drivers on Linux — the unglamorous work that makes .NET truly cross-platform.

Need .NET depth that predates .NET itself?

Framework upgrades, cloud-native C#, ML.NET and Claude integration, Blazor, and MAUI — delivered hands-on, with the tests to prove it. From Koch Kafka producer/consumer demos to FM Global’s .NET orchestration architecture, Leopard Data has shipped it. Corp-to-Corp engagements out of Plano, TX.