Web applications on ASP.NET Core
Fast, scalable applications built on the modern Microsoft stack that perform reliably under genuine enterprise traffic.
.NET Developers
Hire .NET Developers for the Microsoft Stack
Enterprise systems on the Microsoft stack deserve engineers who have carried them before. Our senior .NET developers build new platforms and modernize old ones without dropping what your business runs on.
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.NET Developers
What our .NET developers deliver
C# engineers with real enterprise systems behind them, from greenfield APIs to careful legacy migrations.
APIs and microservices
Clean REST APIs and independently deployable services, including breaking monoliths apart when that genuinely serves the roadmap.
Azure cloud integration
Applications deployed and operated on Azure with security, scaling, and cost control designed into the architecture, not patched on afterward.
Data access done right
Entity Framework Core layers over SQL Server and PostgreSQL that keep data operations efficient, consistent, and easy to evolve.
Identity and enterprise security
Authentication, role-based access, and compliance-conscious controls that meet enterprise security expectations without slowing users down.
Legacy modernization
Older .NET Framework systems migrated to modern .NET carefully, preserving behavior and uptime while unlocking current tooling and performance.
Your legacy system is not a museum piece. It is a liability with a deadline.
Talk to us about modernization or a new build, and we will match you with .NET engineers who have done it before.
Start a ProjectHow it works
From requirements to a working engineer
- 01
Describe the system
.NET versions, hosting, databases, and whether the work is new development, modernization, or both.
- 02
Review matched candidates
We shortlist senior .NET engineers whose enterprise experience lines up with your architecture.
- 03
Interview and approve
You test the shortlist against your real system and choose who joins the team.
- 04
Onboard and deliver
We handle contracts and access while your engineer gets productive in the codebase.
Why AIoptimix
Why hire .NET engineers through AIoptimix
Enterprise-tested, senior only
Client work is staffed exclusively with senior engineers who have shipped and operated real systems handling real users and data.
Modernization without drama
Our engineers migrate legacy systems incrementally, with tests and rollback plans, because your users should never notice the surgery.
AI-native delivery
Modern AI-assisted engineering workflows are standard, with senior review on every change, so throughput rises without quality slipping.
Everything in your name
Code, Azure subscriptions, and pipelines belong to you from day one, under a fixed written scope and USD pricing.
Tools and stack
Our Microsoft stack coverage
Core
- C#
- .NET 8
- ASP.NET Core
- Blazor
Data
- Entity Framework Core
- SQL Server
- PostgreSQL
- Redis
Cloud and delivery
- Azure
- Docker
- Kubernetes
- Azure DevOps
- CI/CD
Testing
- xUnit
- NUnit
- Playwright
Engagement models
Pick the model that fits.
Staff Augmentation
Vetted engineers who join your team, work your hours, and follow your workflow.
Learn more →Dedicated Teams
A complete unit with delivery management that owns your product end to end.
Learn more →Fixed Price
A written scope, a fixed USD quote, and a committed timeline before we start.
Learn more →FAQ
Frequently asked questions.
What does a .NET developer do?
They build software on Microsoft's stack: web applications, APIs, cloud services, and enterprise systems in C#, handling architecture, data access, security, and deployment so the platform stays robust as it scales.
Is .NET still a good bet for new systems?
Yes. Modern .NET is fast, cross-platform, and deeply integrated with Azure, and it remains the backbone of enterprise software across finance, healthcare, and SaaS. Demand for engineers who know it well keeps growing.
Can you modernize our legacy .NET Framework application?
Yes, and it is one of the most common reasons teams come to us. We migrate incrementally to modern .NET, guarding behavior with tests so the business keeps running while the platform improves underneath it.
Can I hire a .NET developer long term?
Absolutely. Enterprise systems reward continuity, and many engagements run for years, resizing with your roadmap rather than locking you in.
What if the developer is not the right fit?
We replace them at no additional cost with a managed handover, so delivery continues without disruption.
Strengthen your Microsoft stack
Describe your system through the contact form, and we will introduce .NET engineers who have carried enterprise workloads.
Start a Project