vishal w.

I’m a Senior .NET Developer specializing in C#, ASP.NET Core, SaaS development, Microsoft Azure, and AI integration. With 16+ years of industry experience, $80K+ earned on Upwork, 32 completed projects, 1,480+ hours worked, and Top Rated Plus status, I help startups and businesses build, modernize, and maintain reliable software applications. From developing a SaaS product or backend system to integrating AI into an existing .NET application, I can help with application architecture, APIs, databases, cloud deployment, and intelligent software features. .NET, C# & ASP.NET Core Development I build and extend web applications, SaaS platforms, and business software using the Microsoft .NET ecosystem. • C# and .NET application development • ASP.NET Core and ASP.NET MVC development • Custom SaaS and web application development • REST API development and backend services • Microservices and application architecture • Entity Framework and Entity Framework Core • SQL Server integration and database development • CRM, ERP, admin dashboards, and business applications • Startup MVP development and application modernization • Debugging, refactoring, and performance optimization Microsoft Azure & Backend Engineering I develop and support backend systems that need reliable architecture, cloud deployment, and integration with business applications. • Microsoft Azure application development • Azure cloud deployment and application hosting • Backend services and API development • SQL Server and relational database integration • Database design, query optimization, and performance tuning • Third-party API and enterprise system integrations • Application maintenance and production improvements AI Integration & Intelligent .NET Applications I integrate AI capabilities into .NET applications and SaaS platforms to support practical business requirements, automate processes, and improve application functionality. • AI integration with C# and ASP.NET Core applications • OpenAI and ChatGPT API integration • Claude API integration • AI assistants and conversational interfaces AI-powered SaaS applications • RAG applications and knowledge-base chatbots • Retrieval-Augmented Generation and semantic search • OCR and intelligent document processing • AI agents and automated business workflows • Integration of AI services with existing APIs and backend systems My focus is on implementing useful AI features while keeping the application secure, maintainable, and aligned with its existing architecture. Blazor, .NET MAUI & Cross-Platform Development I also work with Microsoft technologies for interactive web applications and cross-platform mobile solutions. • Blazor application development • Interactive web interfaces and component development • NET MAUI application development • Xamarin application maintenance and migration • Cross-platform iOS and Android applications • Responsive UI development and API integration • Backend, database, and device-feature integration Custom Software & Application Modernization I help businesses extend existing software, replace outdated components, and develop custom functionality around their operational requirements. • Legacy .NET application modernization • Existing application migration and upgrades • Custom business software development • CRM and ERP application development • Backend system improvements • API and third-party service integration • Code refactoring and technical debt reduction • Bug fixing, maintenance, and ongoing development How I Can Help Whether you're building a new product, extending an existing application, integrating AI, or resolving technical issues, I take a practical approach: • Understand your requirements and business objectives • Review the existing application and technical architecture • Define the appropriate development approach • Implement and test the required functionality • Integrate APIs, cloud services, and AI capabilities where needed • Improve performance, maintainability, and reliability • Support deployment and future improvements My experience spans SaaS, enterprise applications, healthcare, eCommerce, fintech, CRM/ERP systems, and custom business software. Why Work With Me? • 16+ years of software development experience • $80K+ earned on Upwork • 32 completed Upwork projects • 1,480+ Upwork hours worked • Top Rated Plus on Upwork • Experience with C#, .NET, ASP.NET Core, and Microsoft Azure • AI integration capabilities for existing applications and SaaS products Let's Discuss Your .NET Project Share what you're building, the features you need, or the technical problem you want to solve. If you have an existing application, include its current technology stack and the main challenges you're facing. We can discuss the technical approach, project scope, and next steps.