
Pathum
Modern Web Development With Clean Code
Skills

Portfolio
Work experience
Full Stack Developer
Quantum Foundry • Freelance
Dec 2023 - Present • 2 yrs 9 mos
Built a full-stack task and workflow management system using React (TypeScript) and ASP.NET Core Web API with JWT-based authentication and role-based authorization. Designed a configurable workflow engine using workflow statuses and role-based transitions to enforce business rules and approval processes. Implemented real-time task updates and notifications using SignalR, enabling instant collaboration across teams. Created a clean, scalable backend architecture with EF Core, repository pattern, global exception handling, and structured logging. Added audit logging to track task status changes, assignments, and comments, improving transparency and accountability. Optimized API performance with server-side pagination, filtering, and caching for high-traffic scenarios.