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DESSS is a .NET development company in San Antonio building ASP.NET Core applications and APIs and supporting existing .NET Framework systems. Security, access control and audit logging are designed in from the start.
San Antonio’s healthcare, insurance, defense and government contracting sectors depend on .NET applications that handle sensitive data. Many integrate with Microsoft Entra ID for single sign-on and need careful logging for audits.
See our main .NET application development page, and our secure SDLC program for how we build security in.
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.
How we work in San Antonio
Remote delivery with on-site sessions in San Antonio, from our Houston headquarters and Austin office.
SAN ANTONIO SCENARIOS
.NET development projects we see in San Antonio
These are the .NET projects San Antonio organizations ask us about most.
Healthcare systems
Applications handling patient or member data, aligned with HIPAA safeguards.
Insurance applications
Policy, claims and underwriting workflows.
Government contractors
Applications built to contract security requirements.
Single sign-on
Microsoft Entra ID sign-in with MFA for internal apps.
Legacy modernization
Moving .NET Framework applications to supported .NET.
Audit logging
Detailed activity logs for compliance and investigations.
.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.
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
Azure hosting and DevOps
Where do .NET applications run best? Azure App Service, Azure Functions and containers suit most modern .NET applications. We set up CI/CD pipelines, monitoring and environments so releases are routine.
–Azure App Service
–Azure Functions
–CI/CD pipelines
–Application Insights monitoring
ASP.NET Core web applications
What do we build with ASP.NET Core? Business web applications, portals and internal tools with role-based security, audit logging and integration with your existing systems, on the current long-term support release of .NET.
–MVC and Razor Pages
–Role-based security
–Audit logging
–Responsive design
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 San Antonio 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.
Code you own
You own the source, documentation and pipelines.
Old and new .NET
We support .NET Framework applications and build on modern .NET.
Texas-based team
Headquartered in Houston with an office in Austin, and on site in San Antonio when it matters.
Yes. DESSS provides .NET development company in San Antonio.We work with San Antonio clients remotely and on site, from our Houston headquarters and Austin office.
We use role-based access, Microsoft Entra ID sign-in, secrets in Azure Key Vault, input validation, dependency scanning and code review, and recommend penetration testing before launch.
.NET IN SAN ANTONIO
Planning a .NET project in San Antonio?
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.