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DESSS is a .NET development company in Austin, with an office at 3218 Gonzales Street. We build ASP.NET Core applications, APIs and Blazor interfaces, and help Austin teams modernize older .NET Framework systems.
Austin’s software companies often build SaaS products and APIs on ASP.NET Core, while public sector agencies and manufacturers run long-lived line-of-business applications. Both need clean architecture, automated testing and reliable deployment.
Our Austin developers can work alongside your team in person. See our main .NET application development page for more.
New and existing apps
New ASP.NET Core builds, plus support and enhancement for applications you already run.
Framework to modern .NET
Step-by-step moves from .NET Framework to supported, cross-platform .NET.
Azure or on-premises
Hosting on Azure, containers or your own Windows servers.
Local Austin office
Our Austin office is at 3218 Gonzales St, so planning sessions and workshops can happen in person.
AUSTIN SCENARIOS
.NET development projects we see in Austin
These are the .NET projects Austin organizations ask us about most.
SaaS products
Multi-tenant ASP.NET Core applications built to scale.
Public sector apps
Case, permit and program applications with strong security.
Manufacturing systems
Inventory, production and quality applications.
Mobile app APIs
Back-end APIs and admin portals for mobile apps.
Cloud-native .NET
Containers, Azure Functions and managed services.
Test automation
Unit and integration tests added to existing codebases.
.NET SERVICES
What our .NET development covers
Most organizations run a mix of new and older .NET applications. These are the areas we help with.
Blazor front ends
When does Blazor make sense? Blazor lets teams build interactive interfaces in C#, sharing models and validation with the back end. It suits internal business applications and dashboards.
–Interactive C# components
–Shared validation
–Server and WebAssembly modes
–Component libraries
.NET Framework support
Can you support our older .NET Framework applications? Yes. Many applications still run on .NET Framework 4.8 with Web Forms, MVC 5 or WCF. We fix issues, add features and keep them secure while planning the move to modern .NET.
–Web Forms and MVC 5
–WCF services
–Bug fixes and enhancements
–Security updates
Migration to modern .NET
How do we move to modern .NET? We assess each project, move shared libraries first, and migrate web applications in stages, often running old and new side by side until the switch is complete.
See our .NET Core consulting team for migration planning.
–Migration assessment
–Shared libraries first
–Incremental migration
–Side-by-side running
HOW WE WORK
How a .NET project runs
Six steps take a .NET project from first conversation to a supported application.
STEP 01
Discover
Users, workflows, data and integrations.
STEP 02
Architect
Solution structure, data model, identity and hosting.
STEP 03
Build
Two-week sprints with working demos.
STEP 04
Test
Automated tests, code review and security checks.
STEP 05
Deploy
Automated deployment to Azure or your servers.
STEP 06
Support
Fixes, upgrades and new features over time.
WHY DESSS
Why Austin teams choose DESSS for .NET development
A .NET partner should be able to build new systems and look after the ones you already depend on.
Microsoft ecosystem
We also deliver Azure, Microsoft 365, Entra ID and Dynamics work.
Code you own
You own the source, documentation and pipelines.
An Austin office
Our consultants work from East Austin, close to your team for workshops, reviews and launch support.
Yes. DESSS provides .NET development company in Austin.Our Austin office at 3218 Gonzales St works with local teams in person and remotely.
Yes. Our Austin developers can join your team for specific features, code reviews or a migration, working on site at your office or ours, or remotely.
The current long-term support release, .NET 10, released in November 2025. .NET 8 support ends in November 2026.
.NET IN AUSTIN
Planning a .NET project in Austin?
Book a call to discuss your application, whether it is new or one you already run.
RELATED
Related .NET Pages
The main DESSS .net development page, the same service in other Texas cities, and related services.