Kevin R.

Senior Full-Stack Developer & Architect | $400K+ Earned on Upwork | 10+ Years Building Scalable Applications

If you’re looking for a complete developer who can turn complex ideas into reliable, production-ready software, you’re in the right place.

I'm a solution-driven individual. I love to help clients solve their most difficult problems, and bring their ideas into life.

I deliver and architect high-performance Applications, APIs, eCommerce, AI-Driven Solutions used by businesses around the world. I’ve earned over $400K on Upwork, delivering projects that are scalable, fast, maintainable, and built to last.

Clients work with me because I focus on solving business problems, not just writing code.

Why you should hire me:

-$400k+ earned on Upwork
-Proven record of long-term client relationships
-Strong problem-solving and architecture skills
-Clear communication and reliable delivery
-Experience across multiple industries and complex systems

Whether you need a new app built from scratch, help scaling an existing application, or a developer who can jump into a complex codebase and deliver results. I’m ready to move fast.

My services:

-Architect applications end to end
-Build robust backend systems using C#, Node.js / Next.js and ASP.NET Core
-Develop modern, responsive frontends using React, Angular, and TypeScript
-Create scalable APIs and real-time systems using SignalR and WebSockets
-Develop cross-platform mobile apps with .NET MAUI for iOS and Android
-Optimize and design databases using MSSQL, MySQL, or MongoDB
-Automate testing and ensure quality with NUnit, Selenium, and Cypress
-Build and customize eCommerce platforms such as BigCommerce, Shopify, and Volusion
-Develop Cloud Based solutions using Azure or AWS
-Migrate legacy apps to modern, fast, and robust technologies
-AI Assisted Development using Claude and Codex

Feel free to reach out to me for project discussion!