# Tạ Thanh Thiên (Thiên) — Java Backend & Full-Stack Developer
> Portfolio, software projects, skills, and academic profile.

## About
- Full Name: Tạ Thanh Thiên (Thiên)
- Title: Four-year Information Technology Student / Software Developer
- University: Posts and Telecommunications Institute of Technology (PTIT)
- Expected Graduation: 2028
- GPA: 3.60 / 4.00
- Location: HaNoi, VietNam
- Phone: 0377781205
- Email: thien24112005@gmail.com
- GitHub: https://github.com/ThienTa2005
- LinkedIn: https://www.linkedin.com/in/t%E1%BA%A1-thi%C3%AAn-a14a82390/
- Resume PDF: /cv.pdf

## Technical Skills
- Backend: Java, Spring Boot, Spring MVC, Spring Data JPA, RESTful APIs, JWT, MVC Architecture
- Frontend: ReactJS, Vite, React Router, HTML, CSS, JavaScript, TailwindCSS
- Database: MySQL, SQL Server, Database Design, ERD
- Tools: Git, GitHub, Postman, NetBeans, VS Code

## Key Projects
- Soundbook Social Network: Full-stack developer (team of 3). Built authentication, Google login, JWT token blacklist logout, route protection, and Taste DNA recommendation logic.
- Bookstore Web Application: Full-stack developer (team of 4). Staff support and live chat with Spring Boot, ReactJS, MySQL, and Firebase. RESTful APIs for conversations, unread status, and RBAC.
- FreshLink Web App (Live at https://fresh-link-eight.vercel.app): Java backend & modern React frontend for fresh goods distribution.
- Hospital Web Management (https://github.com/ThienTa2005/Hospital-web): Java Web Application using JSP/Servlet + MySQL.
- SJC Gold Price Predictor (https://github.com/ThienTa2005/SJC_Price_Predict_AI): Machine learning model for domestic gold price forecasting.
- Amazon Stock Price Predictor (https://github.com/ThienTa2005/AMZN_Predict_AI): Predictive regression modeling for Amazon stock trends.

## Certifications & Honors
- Certificate in Algorithm Applications – Samsung & PTIT
- English TOEIC: 765 / 990
- NVIDIA Fundamentals of Deep Learning Certification
- Student of 5 Merits (Sinh viên 5 tốt)
- Third Prize of PTIT Young E-Business 2026