Ponlachet Kammung — Senior Developer, Web & Mobile

🙂 About Me

Senior Developer experienced in both web and mobile development, with a core focus on building robust applications and APIs using ASP.NET, .NET Core, C#, and SQL Server, alongside native Android (Java) and iOS (Swift) development. I enjoy diving into technical research to find effective solutions for unique or intricate integration challenges, and I'm comfortable handling full-stack tasks from front-end UX/UI layout to back-end logic implementation.

🚀 My Journey

🎓

B.Eng. Computer Engineering

Rajamangala UTL · 2021

💻

Web Developer

2020 — 2024

📱

Mobile Developer

2025 — Present

Mobile Developer — IT-CAT Co., Ltd.

Chiang Mai, Thailand · Jan 2025 — Present

Engineered and optimized native mobile apps for an HRM platform across Android (Java) and iOS (Swift), powered by a .NET Core and ASP.NET API backend.
Specialized in rapid technical research to implement advanced functionality, including custom hardware integrations (e.g. ZKTeco biometric devices).
Owned full-stack mobile delivery — from front-end UX/UI to back-end logic — while keeping app performance reliable and workflows user-centric.

Web Developer — IT-CAT Co., Ltd.

Chiang Mai, Thailand · Sep 2020 — Dec 2024

Developed and maintained a scalable Human Resource Management (HRM) web application using ASP.NET, C#, and SQL Server.
Built robust core modules and designed efficient database schemas to support complex business workflows.
Developed secure backend logic, crafted intuitive front-end UX/UI, and researched custom solutions for seamless integrations.

Bachelor of Engineering, Computer Engineering

Rajamangala University of Technology Lanna, Chiang Mai, Thailand · Oct 2021

🧠 Skills

Languages & Frameworks

C#
ASP.NET
.NET Core
Java (Android)
Swift (iOS)

Databases & Cloud

SQL Server
PostgreSQL
Redis
Google Cloud Platform
Firebase Cloud Messaging

Infra & Tools

Git
Docker
IIS
NGINX
Apache
Robot Framework

Practices

Back-End Architecture
Front-End UX/UI
System Analysis & Design
Full-Stack Delivery

💼 Projects

📱

HRM Mobile App

Native Android (Java) and iOS (Swift) apps for an HR management platform, backed by a .NET Core/ASP.NET API. Owned the full-stack delivery, from UX/UI to backend logic.

JavaSwift.NET Core

🖥️

HRM Web Platform

Scalable Human Resource Management web application with robust core modules and efficient database schemas built to support complex business workflows.

ASP.NETC#SQL Server

🔐

Biometric Device Integration

Researched and engineered a custom integration with ZKTeco biometric hardware, connecting attendance devices directly into the HRM platform.

Hardware IntegrationC#Research