Industry Leaders Trust Us
Why Choose .NET for Software Development?
.NET is a strong choice when your software needs structure, performance, security, and long-term support. Here are some reasons that you can consider .NET as the core tech stack:
Many global enterprises such as Microsoft, UPS, Siemens, and Dell Technologies rely on .NET to power business-critical applications because of its reliability, security, and long-term support.
ERP platforms, CRM systems, financial software, healthcare applications, and enterprise portals often use .NET as their foundation.
Built-in authentication, authorization, encryption, and security frameworks help protect sensitive business and customer data.
Modern .NET delivers high-speed processing and efficient resource usage, making it suitable for large-scale applications and APIs.
.NET applications can run across Windows, Linux, macOS, cloud platforms, containers, and modern infrastructure environments.
.NET works seamlessly with Microsoft Azure and other cloud providers, supporting scalable cloud applications and microservices.
For companies already using Azure, Microsoft 365, Dynamics, SQL Server, or Active Directory, .NET fits naturally into the existing environment.
C#, strong typing, mature tooling, and clear architecture patterns help teams maintain large codebases with fewer surprises.
.NET has strong ecosystem support, regular updates, enterprise adoption, and a large developer community.
What We Offer Under .NET Development Services?
Custom .NET Application Development
We build custom software tailored to your business processes, industry requirements, and operational goals. Every solution is designed around your specific needs.
Enterprise Software Development
We develop enterprise-grade systems that support complex operations while remaining scalable and maintainable. Relia understands that large organizations need to handle multiple departments, workflows, and integrations.
ASP.NET Web Development
Our team develops modern web applications using ASP.NET Core and the latest .NET technologies. The result is secure, responsive, and high-performing web platforms built for long-term growth.
.NET API Development & Integration
We build REST APIs, GraphQL services, integration layers, authentication flows, and backend services that connect apps, databases, third-party tools, and enterprise platforms.
SaaS Development with .NET
We use .NET to build SaaS platforms with user management, subscription logic, billing workflows, admin dashboards, tenant separation, and scalable cloud infrastructure.
Legacy .NET Modernization
Older .NET Framework applications often still run important business operations. We help modernize them carefully by upgrading architecture, improving performance, cleaning up code, and moving to newer .NET versions where needed.
Cloud-Native .NET Development
We build .NET applications for Azure, AWS, Google Cloud, Docker, Kubernetes, and CI/CD environments. Your software becomes easier to deploy, monitor, scale, and maintain.
.NET Support & Maintenance
After launch, we support your .NET applications with bug fixes, version upgrades, dependency updates, performance tuning, security patches, and long-term maintenance.
.NET Technologies We Work With
What Types of Applications Commonly Use .NET?
Enterprise Management Systems
Custom CRM, ERP, HRM, payroll, and business management platforms that need stable workflows and deep integrations.
Banking & FinTech Platforms
Payment systems, lending platforms, financial dashboards, insurance tools, and transaction-heavy applications.
SaaS Platforms
Subscription-based software with user roles, billing, dashboards, admin panels, and scalable backend logic.
Healthcare Applications
Patient portals, EHR systems, telehealth platforms, appointment systems, and secure medical data workflows.
Government & Public Systems
Citizen portals, case management systems, licensing platforms, and compliance-heavy applications.
Logistics & Supply Chain Software
Shipment tracking, warehouse systems, fleet management, route planning, and inventory operations.
Manufacturing Software
Production planning tools, factory dashboards, equipment monitoring, and quality control systems.
Frequently Asked Questions
.NET is stable, secure, scalable, and well suited for complex business systems with many users, workflows, permissions, and integrations.
Yes. We help upgrade older .NET Framework applications to modern .NET versions while improving performance, maintainability, and security. You can check Codapay - our case study for .NET modernization.
Hiring a .NET developer in Vietnam typically costs around $800–$1,500/month, depending on seniority, cloud experience, architecture skills, and English level.
- Junior / Entry-Level (0–2 years): $475 – $800/month
- Mid-Level (3–5 years): $1,000 – $1,800/month
- Senior / Lead (5+ years): $2,000+/month
Developers with strong experience in ASP.NET Core, Azure, microservices, cloud architecture, enterprise systems, or English communication skills often command higher rates. Salaries are typically highest in Ho Chi Minh City and Hanoi.
Customer Success Stories
WhiteCoat
WhiteCoat is a large-scale healthcare platform powered by a .NET Core backend that supports telemedicine consultations, medicine delivery, appointment scheduling, and healthcare provider management.
Relia Software helped expand the platform with secure APIs, healthcare workflows, and scalable backend services capable of supporting thousands of daily medical interactions.
Codapay
Finity is a payroll and workforce management platform for UK recruiters and staffing agencies.
Built on a modern .NET architecture, the system handles payroll processing, compliance management, timesheets, worker self-service, and multi-tenant operations while supporting large volumes of payroll transactions and complex business rules.