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a backend developer focused on crafting clean, efficient code, optimizing system performance, and building secure infrastructure.

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Hello, i am

Gia Huy

Backend Developer with nearly a year of hands-on experience in developing and maintaining web applications using PHP. Equipped with a solid foundation in RESTful API design, database schema modeling, and system architecture.

PHP
Laravel
Vue.js
Caching (Redis)
JavaScript
MySQL
Tailwind CSS
Sass/SCSS
React

Most Use

Skills

Work Experience

Digityze

Digityze Asia

September 2025 - June 2026

PHP Backend Developer

Education

Van Lang

Van Lang University

2021 - 2025

Bachelor's Degree of Software Engineering

I improve 1% better every day.

My Projects

Featured Work

E-Commerce Platform
E-Commerce Platform
A comprehensive e-commerce backend built with Laravel, featuring complex cart logic, payment gateway integrations, and real-time inventory management.
Code Website
Blog Management System
Blog Management System
A custom-built Content Management System using PHP MVC architecture. Implements Role-Based Access Control (RBAC), secure authentication, and a robust mail service with dynamic templates.
Code Website
My Experience

Professional Experience

Back-end Developer

DIGITYZE ASIA CO., LTD
Sep 2025 - Jun 2026
Ho Chi Minh City

POS MANAGEMENT SYSTEM

Client: Menas Co.Team: 5 members

Participated in the development and maintenance of a multi-branch POS management system, focusing on feature enhancements, performance optimization, and complex business logic implementation based on client requirements.

Key Contributions
  • Built a Daily Reports system using Laravel Events and Listeners to track transaction events and generate real-time business reports.
  • Developed an Excel/CSV import feature for the Purchase Return workflow, applying chunking and bulk insert techniques to reduce N+1 queries and improve import performance.
  • Maintained and enhanced the Voucher module by implementing complex discount rules for specific product groups and customer groups, then integrating them into the payment flow.
  • Integrated barcode scanner logic.
  • Developed responsive UI/UX for POS displays.
  • Used Ajax-based lazy loading to optimize page rendering speed and improve the user experience on data-heavy screens.
Laravel 9JavaScriptjQueryAjaxMySQLTailwind CSS

LEARNING MANAGEMENT SYSTEM

Team: 4 members
Key Contributions
  • Integrated Microsoft Graph API to implement OAuth 2.0 authentication and automatically create Microsoft Teams meeting rooms.
  • Built APIs to synchronize data between the CRM and LMS, ensuring data integrity and prevent duplicated requests with Idempotency Keys, signature.
  • Developed a multi-branch architecture using CodeIgniter Hooks to generate dynamic routing and switch database connections based on each branch.
  • Optimized the student profile import flow by decoupling time-consuming tasks such as account creation and email sending.
  • Handled long-running tasks asynchronously via Ajax APIs to reduce system waiting time and improve user experience.
  • Integrated SCORM compliance into the Lesson module to support standardized e-learning content.
CodeIgniter 3OAuth 2.0Microsoft Graph APIJavaScriptjQueryAjaxMySQL