Sanjay Kumar S.

I develop enterprise desktop and business applications using C#, WPF, WinForms, ASP.NET Core, Blazor, and SQL Server. I help businesses maintain, modernize, and extend internal software systems including warehouse tools, RFID tracking systems, reporting platforms, dashboards, and operational workflows. I work on both new development and existing enterprise applications with a focus on stable integrations, maintainable code, and long-term usability. ## What I deliver * WPF and WinForms desktop applications * Blazor and ASP.NET Core business systems * RFID and hardware device integrations * REST APIs and backend services * SQL Server design and query optimization * DevExpress and Telerik-based enterprise UI systems * Reporting dashboards and operational tools ## Proof of work * 1000+ hours on long-term .NET projects * Built multi-tenant Blazor business systems * Delivered Zebra FX7500 RFID tracking integrations * Developed enterprise desktop and warehouse automation tools * Multiple 5-star client reviews ## Tech stack * C#, .NET, ASP.NET Core, Blazor * WPF, WinForms * Entity Framework, LINQ, SQL Server * DevExpress, Telerik * REST APIs and backend integrations ## Also experienced with * RFID systems and IoT integrations * Twilio IVR and automation workflows * Legacy application modernization Message me with your project details. *Keywords: ASP.NET Webform, VB.NET, ASP.NET Core, NETMUAI, C#, Blazor, Microservices, Azure, SQL Server, Web API, Angular, Docker, DevOps, Cloud Architecture, SSRS, Enterprise Applications, Legacy application, Stripe Integration, PayPal API, Payment Processing, Third-Party APIs*