Le Thanh Yen

I'm a Java Software Developer and Freelancer

About

I'm a final-year Information Technology student at Academy of Cryptography Technique, passionate about backend engineering, network infrastructure, and automation. Currently, I'm based in Ho Chi Minh City and actively looking for Java Developer Intern / Fresher opportunities!

My Profile

Java Software Developer

Experienced in software development with Java, especially Java Spring Boot.

  • Birthday: 16 September 2004
  • Website: www.yendev.top
  • Phone: 0375440580
  • City: Ho Chi Minh City, Vietnam
  • Age: 22
  • Degree: Bachelor
  • Email: lethanhyen.work@gmail.com
  • Freelance: Available

Tech Stack

JavaC++CloudflareAngularJavaFXJWTSpringApache TomcatMicrosoft SQL ServerMongoDBMySQLRedisPostgresHibernateGitHub ActionsGitHubDockerPostman

Experience

Work experience at several companies

Intern Networking

Serverhub JSC

January 2026 - March 2026

  • Firewall management, roles, and traffic management.
  • Practice with pfsense, learn how to manage servers and partition virtual machines.
  • Deploy Database Server, DNS Server, Web Server.
My Profile

Projects

Some of my recent projects

ScholarHub – Centralized Multimedia Learning Repository

  • (PostgreSQL & MongoDB) integrated with Elasticsearch, optimizing both schema-less metadata storage and Vietnamese full-text document retrieval
  • Built a system via MinIO Presigned URLs for GB-level uploads, and implemented event-driven workers (FFmpeg, PDFBox) for background data extraction
  • Automated CI/CD deployment with Github and Docker enables the system to automatically check and update on the server.

    • E-commerce Platform Development

  • Developed 20+ secure RESTful APIs following OWASP Top 10 guidelines and containerized the application using Docker for streamlined deployment.
  • Integrated a Redis caching layer, significantly reducing database load and optimizing overall API response times

    • Tim Tro Nhanh

  • Browse/search rooms, posting, favorites, user auth, address picker, Cloudinary image upload
  • (Kotlin, MVVM, Retrofit, Firebase Auth, Room DB, Coroutines) and server (Express, MySQL, Cloudinary)
  • All endpoints across rooms, users, addresses, favorites, and images with HTTP method, path, and description

    • Admin Tim Tro Nhanh

  • Purpose, authors, and MVC architecture summary
  • Login, dashboard stats, room approval workflow, user management
  • Java 22, Swing/FlatLaf, Retrofit2/OkHttp3, SQL Server, Maven

    • Shift Scheduling Tool

    DRP

  • A simple Web project we write in PHP with MVC architecture (UI/UX sucks btw).