Tahir A.

TOP RATED | 100% JOB SUCCESS | 10+ YEARS .NET EXPERIENCE I don’t just write .NET code — I take ownership of complex applications, solve difficult technical problems, and deliver reliable software that works in production. I’m a Top Rated Senior .NET Developer with 10+ years of professional experience building enterprise applications, eCommerce platforms, REST APIs, integrations, and business-critical systems. What sets me apart is my ability to step into an existing codebase, understand the architecture and business logic quickly, identify the real cause of problems, and take a feature or issue all the way from requirement to production. CORE EXPERTISE • C# / ASP.NET Core / ASP.NET MVC / .NET Framework • RESTful Web APIs • SQL Server / Entity Framework / Dapper / LINQ • JavaScript / TypeScript / jQuery / AJAX • Angular / React • Microservices / Background Services • Azure / IIS / Git / GitHub / CI/CD • Payment gateways & third-party API integrations • Performance optimization & database tuning • Legacy application modernization REAL PRODUCTION EXPERIENCE I’ve worked on complex production systems involving payment gateways, shipping platforms, eCommerce workflows, background services, APIs, and database-intensive applications. Recent integrations include DHL, UPS, FedEx, and Purolator, along with payment gateways and other third-party services. NOPCOMMERCE SPECIALIST I have extensive hands-on experience with nopCommerce, including 100+ customizations and complex plugin development for B2B and B2C eCommerce platforms. My experience includes: • Custom plugin development • Payment gateway integrations • Shipping/carrier integrations • Checkout customization • Multi-store & multi-vendor solutions • Third-party API integrations • Admin and theme customization • Version upgrades and migrations • Performance optimization WHY CLIENTS CHOOSE ME ✓ Top Rated on Upwork ✓ 100% Job Success ✓ 10+ years of professional .NET experience ✓ 900+ hours on Upwork ✓ Strong debugging and problem-solving ability ✓ Experience with complex production applications ✓ Clean, scalable and maintainable code ✓ Comfortable working independently ✓ Clear communication and reliable delivery ✓ Long-term development and maintenance mindset MY APPROACH Understand the business first. Understand the system second. Then write the right code. I don’t believe in simply making a ticket “work.” I focus on building solutions that are reliable, maintainable, scalable, and practical for the business. Whether you need to build a new application, extend an existing system, integrate APIs, optimize performance, fix difficult production issues, or have a reliable developer for long-term development, I can help. If your project is technically challenging and you need someone who can take ownership rather than simply complete tickets, let’s talk.