Backend Developer • Laravel • Java • Spring Boot

Building scalable backend systems and automation platforms.

I'm Duy Vu Tung, a Backend Developer based in Hanoi, Viet Nam. I specialize in Laravel, RESTful APIs, business logic systems, automation workflows, socket communication, and multi-account processing.

D

Duy Vu Tung

Backend Developer with practical experience in Laravel, Spring Boot, MySQL, Socket.io, Java automation clients, and REST API integration.

Location Hanoi, Viet Nam
Education FPT University — Software Engineering

Technical Skills

Technologies I use to build backend APIs, automation services, realtime systems, dashboards, and production-ready web applications.

PHP Laravel Java Spring Boot JavaScript Node.js RESTful APIs Socket.io MySQL MongoDB React.js Next.js Blade Bootstrap Git Postman OOP MVC Multithreading

Experience

Dec 2024 — May 2025

Android Developer OJT — FPT Software

  • Gained hands-on experience in Android development using Java.
  • Integrated REST APIs in training projects.
  • Worked with Git workflow and mentor-based development process.
  • Improved understanding of Android architecture, UI components, and data handling.
2023 — Present

Freelance Backend Developer

  • Built backend modules for game account services, orders, user balances, and transactions.
  • Designed RESTful APIs for service workflows and automation systems.
  • Integrated third-party services and realtime communication via Socket.
  • Optimized database queries and backend logic using Laravel, Java, MySQL, and Spring Boot.

Featured Projects

Game Accounts & Services Marketplace

Built backend modules for managing game accounts, service orders, user transactions, pricing logic, and balance workflows.

Laravel MySQL REST API

Top-up Card Exchange System

Developed backend APIs for prepaid card exchange, partner integration, card validation, transaction processing, and automated status workflows.

Laravel MySQL Transactions

Automated Game Service System

Created backend APIs connecting website and automation client, supporting account management, task tracking, service monitoring, and realtime communication.

Laravel Java Socket.io

Backend System for Game Automation

Designed APIs for user management, task scheduling, automation workflows, authentication, persistence, and concurrent task execution.

Spring Boot JPA MySQL

Automated Game Client

Built automation features including auto farming, auto combat, character movement, REST API integration, socket sync, and multithreading.

Java Socket Multithreading

Movie Discovery Android App

Android app for browsing movies using TMDb API, Retrofit, RecyclerView, Glide image loading, and Firebase Cloud Messaging.

Java Android Retrofit

What I Focus On

Backend Architecture

Designing APIs, database structures, service workflows, and business logic that are clean and maintainable.

Automation Systems

Building systems that handle tasks, accounts, realtime communication, and background processing efficiently.

Performance & Reliability

Improving query performance, concurrency handling, stability, and data consistency in backend services.

Contact

Let's build something useful.

I'm open to backend, full-stack, Java/Spring Boot, Laravel, and automation-related opportunities.

Get in touch

Email: [email protected]

Phone: +84 762 506 738

Facebook: facebook.com/xJunoo