Hashir N.

I’m a Top Rated Plus .NET Full Stack Developer with 7+ years of experience designing, developing, and improving secure, scalable, production-ready web applications for startups, SaaS companies, and established businesses. I specialize in ASP.NET Core, C#, React.js, TypeScript, Blazor, SQL Server, PostgreSQL, MySQL, Entity Framework Core, Dapper, and .NET MAUI. I can handle the complete development lifecycle from requirement analysis and software architecture to backend development, frontend implementation, database design, deployment, and ongoing maintenance. .NET Full Stack Development Services * Custom web application development * SaaS platform development * ASP.NET Core and C# backend development * React.js and TypeScript frontend development * REST API and Web API development * Admin dashboards and business applications * SQL Server, PostgreSQL, and MySQL database development * Entity Framework Core and Dapper implementation * Third-party API and payment gateway integrations * Legacy .NET application modernisation * Bug fixing and performance optimisation * Clean Architecture and scalable system design * Blazor web application development * Cross-platform application development with .NET MAUI As an experienced ASP.NET Core Developer and React Developer, I build reliable backend APIs and responsive, user-friendly frontend interfaces that support real business workflows. On the backend, I focus on: * Clean and maintainable C# code * RESTful API development * Authentication and authorisation * Database design and optimisation * Third-party service integrations * Application performance and security * Scalable and modular architecture On the frontend, I develop modern applications using React.js, TypeScript, JavaScript, Blazor, HTML, and CSS, with a strong focus on usability, responsiveness, performance, and maintainability. I help clients: * Turn ideas into complete web applications * Build MVPs and SaaS products * Improve or rebuild existing .NET applications * Fix unstable, slow, or poorly structured systems * Add new features to production applications * Modernise legacy ASP.NET and .NET systems * Integrate APIs, payment gateways, and external platforms * Develop dashboards, portals, and internal business tools What You Can Expect * Strong technical communication and requirement analysis * Clean, readable, and maintainable code * Reliable delivery and regular progress updates * Practical solutions aligned with business goals * Scalable architecture designed for long-term growth * Experience working with existing production codebases Whether you need a .NET Full Stack Developer, ASP.NET Core Developer, C# Developer, React.js Developer, Backend Developer, Frontend Developer, Web API Developer, or SaaS Developer, I can help you design, build, improve, and maintain your application. Send me a message with your project requirements, existing challenges, or product idea, and I’ll help you determine the best technical approach. .NET Full Stack Development | ASP.NET Core | C# | React.js | TypeScript | JavaScript | Web API Development | REST API Integration | Entity Framework Core | SQL Server | Frontend Development | Backend Development | Clean Architecture | SaaS Development | Responsive Web Applications | Database Development | Third-Party API Integration | Performance Optimisation .NET Full Stack Developer | ASP.NET Core Developer | React.js Developer | ASP.NET Core React Developer | C# Full Stack Developer | .NET Core Developer | Full Stack Web Developer | C# Developer | React Full Stack Developer | ASP.NET Web API Developer | .NET Backend Developer | React Frontend Developer | REST API Developer | SQL Server Developer | Entity Framework Core Custom Web Application Development | SaaS Application Development | Full Stack Application Development | ASP.NET Core Web Development | React Web Application Development | Backend API Development | Admin Dashboard Development | Database Development | Third-Party API Integration | Legacy .NET Application Modernisation AI Full-Stack Developer | Generative AI Developer | AI Agent Development | Agentic AI | LLM Integration | AI Copilot Development | AI SaaS Development | AI Workflow Automation | Prompt Engineering | Function Calling | Tool Calling | RAG Development | Vector Databases | Semantic Search | OpenAI API | Claude API | Anthropic | LangChain | LangGraph | Model Context Protocol | MCP | AI Chatbot Development | Natural Language Processing | Intent Recognition | Context Management | Conversation Memory | Structured Outputs | AI Guardrails | LLM Evaluation | AI Debugging | AI Performance Optimization | AI Website Builder | AI Funnel Builder | AI Landing Page Generator | Dynamic UI Generation | Sales Copy Generation | React.js | Next.js | TypeScript | JavaScript | Node.js | Express.js | ASP.NET Core | C# | .NET | REST API Development | WebSocket | PostgreSQL | SQL Server | MongoDB | Redis | Firebase | Azure | AWS | Docker | Microservices | Clean