Hire the Best ASP.NET Developers
in Sri Lanka

I’m a Senior .NET Developer with 15+ years of experience building scalable APIs, BI dashboards, and enterprise web apps using ASP.NET Core, Angular, and SQL Server. I specialize in delivering clean, maintainable code that solves real business problems.

I'm a web developer and data scientist with a BSc in Information Technology (SLIIT) and a BSc in Physical Science (Statistics). I build reliable, well-structured web applications and enjoy solving complex technical problems. Technical skills: ✅ Backend: C#, ASP.NET Core MVC, Node.js, Java, PHP ✅ Frontend: React.js, Next.js, Angular, jQuery ✅ Databases: SQL Server, MySQL ✅ Mobile: Android ✅ Data & Analytics: Python, R (data handling, analysis) ✅ API design & integration, MVC architecture I have hands-on experience across the full development lifecycle — from database design to backend logic to frontend implementation — and I'm comfortable working across both the .NET and JavaScript ecosystems depending on what a project needs. When I start a new project, I make it a priority to talk directly with the client first. Understanding your goals and vision clearly upfront helps me deliver work that actually fits what you need, not just what was written in a task list. Thank you for considering my profile — I look forward to working with you. Kavinda Piyumal

Web Client Development Windows Client Development Windows Services Development Websites Design & Development Web API Development Web API Integration Azure Cloud Solutions Development ML/AI Solutions Development ChatBot Development PowerBI Custom Visuals Development Tableau Extensions Development 20 years of experience in the industry. Technologies Used =============== Microsoft Visual Studio 2019 Microsoft Visual Studio 2022 Microsoft .Net Frameworks 4.7 Microsoft .Net Core 3.1 Microsoft .Net Core 5 Microsoft .Net Core 6 Microsoft SQL Server 2014 Microsoft SQL Server 2018 MySQL Microsoft Windows APIs C# .Net MVC Razor HTML 5 JQuery JQuery KineticJS JavaScript Node.JS AngularJS TypeScript React.JS JQuery ASP.Net WCF REST SOAP XML Open XML SDK XSLT WMI Team Foundation Server Microsoft Visual Sourcesafe Tortoise SVN Microsoft Visio Rational Rose Enterprise UML Microsoft SQL CLR T-SQL IIS Microsoft Azure Microsoft Dynamics 365 (CRM) Microsoft PowerBI Tableau Microsoft PowerApps MassTransit / RabbitMQ Web Services Web API Google Scripts ML / AI Natural Language Processing ShopifySharp Twitter API V2 QuickBook API Sage 50 API Stripe APIs & Elements Paddle

Web/Frontend : ASP.Net, ASP.Net Core React Js, Redux toolkit, Redux, Redux thunk, Flux Blazor, WPF, WCF Javascript, Jquery, Ajax Extjs, Sencha Touch CSS, Bootstrap, Tailwind CSS Web/Frontend : ASP.Net, ASP.Net Core React Js,Blazor, WPF, WCF Javascript, Jquery, Ajax Backend : C#.Net, C#, VB.Net, VB C++.Net, C++, C, Microservices, Web API Web Services (Rest/ SOAP) Mobile : React Native, Redux Android Studio, xamarin .Net MAUI Frameworks : .Net Core 2.0 - 8.0 .Net Framework 3.0 - 4.5 Entity Framework 2.0, EF Core 8.0 ADO.NET, Microso Sync Framework 2.1

Are you looking for a developer who can design your system correctly from day one, avoid costly rewrites, and deliver a production-ready application, not just code that “works”? With 18+ years of professional .NET experience, I help startups, SaaS founders, and enterprises build secure, scalable, high-performance applications using modern Microsoft technologies. I am not just a coder; I am a solution architect who understands business goals, system design, performance, and long-term maintainability. Many clients come to me after struggling with: ✅ Poorly designed architectures ✅ Slow, unresponsive applications ✅ Developers who cannot scale systems ✅ Technical debt blocking growth ✅ APIs that fail under load I solve these problems by building clean, scalable, enterprise-grade systems. 🚀 What I Specialize In ✔ Blazor Application Development -Blazor WebAssembly & Blazor Server -Component-driven architecture -MudBlazor / Bootstrap UI -Real-time dashboards -High-performance rendering -Enterprise admin panels ✔ ASP.NET Core & REST API Architecture -Production-grade REST APIs -Clean Architecture / DDD / CQRS -Microservices & Modular Monolith design -JWT / OAuth / Identity -Payment gateway integrations -Third-party API integrations ✔ Scalable SaaS Platforms (My Strongest Area) If you're building a SaaS product, you want someone who has actually designed them before. I specialize in: ✅ Multi-tenant architectures ✅ Subscription systems ✅ Role-based security ✅ High availability design ✅ Database scaling strategies ✅ Cloud-ready deployments 🧠 Technical Expertise -.NET 8 / .NET 9/ .NET 10 -ASP.NET Core -Blazor -C# -Entity Framework Core -SQL Server / MySQL -Azure / AWS -Docker -Redis -RabbitMQ -SignalR 🚀 Architecture Patterns: ✔ Clean Architecture ✔ Domain Driven Design (DDD) ✔ CQRS + MediatR ✔ SOLID Principles 💼 What Makes Me Different From Typical Upwork Developers Most freelancers focus only on writing code. I focus on building software that survives growth. ✔ 18+ years real-world experience ✔ Architect-level system thinking ✔ Strong communication ✔ Business-aware development ✔ Long-term reliability ✔ Performance-first mindset I proactively recommend better approaches when needed , because your success matters. 🎯 Types of Projects I Excel At -SaaS Platforms -Enterprise Web Applications -Startup MVPs (built correctly for scaling later) -API-heavy systems -Internal business platforms -Booking / Marketplace systems -Financial & operational software ⚡ My Development Approach -Understand your business model -Design the right architecture -Build clean, testable code -Ensure scalability -Deliver on time -No shortcuts. No messy code. 🤝 Who Should Hire Me? You should hire me if: ✅ You want a senior engineer, not a beginner ✅ Your project matters and must be built correctly ✅ You value architecture and scalability ✅ You prefer working with someone proactive If you just want the cheapest developer, I’m probably not the right fit. But if you want high-quality engineering that saves you money long-term, let's talk. 📩 Let’s Build Something Great Send me a message with your project details, I’m happy to provide: ✅ Architecture recommendations ✅ Technology suggestions ✅ Ballpark estimates ✅ Scaling strategies Even before the contract starts.