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About

I’m Channa, a Senior .NET/C# Software Developer with 20+ years of experience designing, building, and maintaining secure, scalable applications.

Outside of professional work, I’ve organized pickup soccer for over 10 years. I built the SoccerPickup app as a hobby project—combining my love for soccer and software development. (Professional client work isn’t shareable.)

  • ✅ Web Development: ASP.NET Core, ASP.NET MVC, Web API, JavaScript, TypeScript, React.js, Node.js, HTML5, CSS3, Bootstrap, Telerik/Kendo UI
  • ✅ Backend & Database: C#, PostgreSQL, SQL Server, MySQL, MongoDB, Entity Framework Core, LINQ, FluentValidation
  • ✅ Architecture & Patterns: OOP, SOLID, Design Patterns (CQRS, Factory, Strategy, Decorator, Mediator), Microservices, REST & GraphQL APIs
  • ✅ Testing & QA: xUnit, Moq, SonarQube, Postman, Swagger (OpenAPI)
  • ✅ Cloud & DevOps: Azure, AWS, Docker, Kubernetes, Jenkins, CI/CD, IIS, Kestrel
  • ✅ Security: OWASP, JWT/OAuth2, role-based authorization, HTTPS/TLS

Projects

These are personal and passion projects I built to sharpen my skills and for the love of soccer and software development. My professional client work cannot be shared here.

SoccerPickup — React client (home screen)
SoccerPickup — React Client

React • Vite • Axios • AuthContext • AWS S3 • AWS CloudFront
React (JavaScript/TypeScript) Vite Axios AWS S3 AWS CloudFront React (demo)
ASP.NET Core API — Swagger UI
ASP.NET Web API + Swagger

MediatR • FluentValidation • AutoMapper • xUnit + Moq • Docker • AWS Elastic Beanstalk • Amazon RDS (PostgreSQL)• AWS IAM • Amazon VPC • AWS Secrets Manager
.NET 8 C# MediatR FluentValidation AutoMapper xUnit + Moq Docker AWS Elastic Beanstalk Amazon RDS (PostgreSQL) AWS IAM Amazon VPC AWS Secrets Manager Swagger (demo)
SoccerPickup — Admin panel with role-based access
Admin Panel (Protected)

RBAC • ProtectedRoute • Interceptors
JWT React Router Axios Admin (demo)
RabbitMQ + .NET 9 — Postman → Producer publishes → Consumer ACKs
RabbitMQ + .NET 9 — Pub/Sub

Durable topic exchange • v7 async client • manual ACKs
.NET 9 RabbitMQ Docker Demo page GitHub GitHub V2 (more consummers)

What I Bring

Contact

Let’s talk about your project or role.

✉️ channa.leang [at] gmail.com

Message on LinkedIn