Enterprise-Grade .NET Development ServicesThat Drive Business Success

Trusted Excellence

200+ Successful .NET Projects Delivered
Microsoft-Certified Partner with Skilled Azure & AWS Architects
Full-Stack .NET & Cloud Expertise

.NET Development Services We Offer

Custom .NET Application Development

Tailored enterprise apps with ASP.NET Core, Blazor, and .NET Framework.

Web & Real-Time Apps

Scalable platforms, dashboards, and live interaction solutions via ASP.NET development services.

APIs & Microservices

Lightweight, containerized services using full-stack .NET development.

Mobile & Cross-Platform Apps

Xamarin-based solutions with strong .NET backend development for mobile apps.

Cloud & Backend Integrations

ASP.NET Core systems integrated with Azure, AWS, and databases.

Flexible .NET Engagement Models

Custom .NET Development

Ideal For

New enterprise-grade applications

What's Included

End-to-end architecture, features, and UI/UX design

Microservices & API Delivery

Ideal For

Modular, scalable backends

What's Included

REST APIs, containerization, and CI/CD pipelines

Legacy Modernization

Ideal For

Older .NET apps

What's Included

Refactoring, performance optimization, cloud migration

Mobile via Xamarin

Ideal For

Cross-platform mobile projects

What's Included

Xamarin apps with backend integration

Industry-Centric .NET Solutions

Explore more
  • Healthcare

    HIPAA-compliant web and mobile platforms built with .NET development services.

  • Finance

    Secure banking and transaction systems with Azure integration and custom .NET application development.

  • Manufacturing & Logistics

    Real-time monitoring and IoT-enabled dashboards.

  • Retail & eCommerce

    Omnichannel platforms, personalized shopping experiences, and seamless payment integrations.

  • GovTech

    Citizen portals, e-governance platforms, and secure compliance-ready .NET solutions.

  • EdTech

    Interactive learning platforms, LMS, and AI-driven assessments built with .NET.

  • Real Estate

    Property management systems, ERP, and digital rental solutions powered by .NET.

Client success Stories

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Global Finance Platform
  • Seasia modernized legacy systems into scalable ASP.NET Core and Azure architectures, boosting performance and reliability.
Healthcare SaaS Solution
  • Built HIPAA-compliant platforms for patient management and telehealth with custom .NET application development.
Logistics & Supply Chain App
  • Developed real-time dashboards and Xamarin mobile apps, enabling seamless cross-platform engagement.
  • Election Management Software
  • Screen Damage Detection Software
  • AI Real Estate Investment Platform
  • DMV Software
  • BSA Drone App
  • E-scooter App Development
  • Betterfleet -Fleet Management Software
  • Sumeru - Debt Recovery Suite
  • Gis Mapping Software

Election Management Software

Cloud

A digital platform for DMV services including license renewal, vehicle registration, and appointment scheduling.

Case Study Details

Our .NET Development Process

  • Discovery & Planning

    Define use cases, tech stack, and business goals for .NET development services.

  • Architecture & Design

    Build scalable microservices or modular monoliths with clean design patterns.

  • Development & Optimization

    Apply SOLID principles, async programming, caching, auto-mapping, and compression for efficient .NET development.

  • CI/CD & Testing

    Agile delivery, test-driven development, DevOps practices, and automated pipelines.

  • Deployment & Support

    Launch on Azure/AWS, track performance, and provide ongoing maintenance and updates.

Technologies & Tools We Excel In

Frameworks

ASP.NET CoreASP.NET Core
BlazorBlazor
XamarinXamarin
.NET Framework.NET Framework
.NET 9.NET 9

Cloud & DevOps

Azure App ServiceAzure App Service
FunctionsFunctions
AKSAKS
Azure DevOpsAzure DevOps
DockerDocker

Architectures

MicroservicesMicroservices
S.O.L.I.D. principlesS.O.L.I.D. principles
CI/CDCI/CD

Optimization

In-memory cachingIn-memory caching
Response compressionResponse compression
Structured loggingStructured logging
AutoMapperAutoMapper

Best Practices

TDDTDD
Agile methodologyAgile methodology
Thorough documentationThorough documentation
Modular systemsModular systems
Secure codingSecure coding

What They Say

Frequently asked questions

Why choose .NET for enterprise apps?
Secure, high performance, cross-platform framework backed by Microsoft — ideal for building scalable enterprise-grade applications.
How much does a .NET project cost?
Cost depends on project complexity and features. Contact us for a custom project estimate based on requirements and timeline.
Can you modernize existing legacy .NET systems?
Yes — we offer full .NET modernization including migration from older .NET Framework to .NET Core/.NET 8, microservices refactoring, performance upgrades, and cloud enablement.
Which practices ensure high-quality .NET code?
Industry-standard practices such as SOLID architecture, dependency injection, async programming, automated testing (TDD), CI/CD pipelines, and regular security audits.
Do you support deployments on Azure?
Yes — end-to-end Azure deployment including Kubernetes (AKS), Azure Functions, App Services and .NET backend for mobile and web applications.

Ready to Build Your Next .NET Solution?

From high-performing enterprise systems to next-gen mobile apps with Xamarin, Seasia Infotech is your trusted partner for reliable, scalable, and secure .NET backend development for mobile apps.