Muhammad Irfan A.

With 10+ years of experience in software engineering, I help businesses design, build, modernize, and scale enterprise-grade web applications using the Microsoft technology stack. I specialize in developing secure, high-performance, cloud-native solutions that are easy to maintain and built for long-term growth. Whether you need a new application, migration of a legacy system, cloud adoption, API development, or a scalable microservices architecture, I can help deliver reliable solutions with clean, maintainable code. ### Core Expertise ✔ C#, .NET, ASP.NET Core, .NET Framework ✔ REST APIs, Minimal APIs, Web APIs ✔ Microservices Architecture ✔ Clean Architecture, SOLID Principles, Domain-Driven Design (DDD), CQRS ✔ Event-Driven Architecture, RabbitMQ, Background Processing (Hangfire) ✔ Entity Framework Core, LINQ, ADO.NET, Dapper ✔ SQL Server, MySQL, Oracle, Firebase ✔ Authentication & Authorization (JWT, OAuth 2.0, OpenID Connect) ✔ Azure App Services, Azure Storage, Azure Service Bus, Azure Key Vault, Azure API Management, Azure Monitor, Application Insights ✔ Docker, Kubernetes, CI/CD, GitHub Actions, Azure DevOps ✔ Git, GitHub, Azure Repos ### Front-End ✔ Angular (2+) ✔ React ✔ TypeScript ✔ JavaScript (ES6+) ✔ HTML5 / CSS3 / Bootstrap ### AI-Assisted Development I actively leverage modern AI development tools to accelerate delivery while maintaining code quality. ✔ GitHub Copilot ✔ Model Context Protocol (MCP) ✔ AI-assisted software development workflows ✔ Large Language Model (LLM) integrations ✔ Agentic AI concepts and intelligent application development ### Industries & Domain Experience Over the years, I've successfully delivered solutions across multiple industries, including: • Healthcare / Electronic Medical Records (EMR/EHR) • Medical Billing & Revenue Cycle Management • Point of Sale (POS) Systems • Inventory & Order Management • B2B & B2C eCommerce Solutions ### Third-Party Integrations Extensive experience integrating enterprise applications with external platforms and APIs, including: • QuickBooks, Xero, MYOB, Sage, FreshBooks • PayPal Payment Gateway • Mailchimp • Zocdoc • Healthcare standards and coding systems (ICD-10, CPT, SNOMED) • SMS, Email Notification, and Appointment Reminder Services ### What You Can Expect ✔ Clean, maintainable, production-ready code ✔ Scalable software architecture ✔ Strong communication and transparent collaboration ✔ On-time delivery with attention to quality ✔ Problem-solving mindset with a focus on business outcomes If you're looking for a dependable Senior .NET & Azure Developer who can build modern, scalable applications and help drive your project from concept to production, I'd be happy to discuss your requirements.