Huỳnh Trần Nhật Nguyên

Backend Developer

Building scalable, high-performance backend systems with Java & Spring Boot.

About Me

Motivated Backend Developer specializing in Java Spring Boot, focused on building scalable RESTful APIs and high-performance systems. Strong interest in system design, caching, and real-time processing. Currently a final-year IT student seeking opportunities to contribute to real-world projects and grow into a professional backend engineer.

Location

Ho Chi Minh City

nhatnguyen27042005@gmail.com

Phone

+84 963944370

Sai Gon University

Information Technology

Skills

Technologies and tools I work with every day

Languages

Java

Backend

Spring BootSpring Data JPASpring SecurityREST APIJWT

Database

PostgreSQLSQL ServerRedis

Tools & DevOps

GitDockerPostmanMaven

Concepts

OOPRESTful DesignMVCClean Architecture

Featured Projects

Products I have built

QuikTech — POS & Inventory

Phase 1 completed

Multi-tenant B2B SaaS for point-of-sale & inventory management

Dec 2025 – Apr 2026

A POS & inventory backend supporting business and store-level operations, with 16+ modules: sales, purchasing, inventory, debt, subscription billing, and dashboard analytics.

Multi-tenant architecture with OWNER / MANAGER / STAFF roles per store
JWT authentication with Redis-backed RBAC, minimizing DB calls during authorization
Relational schema of 20+ tables: orders, inventory, payments, audit logs
Performance tuned with Redis caching, indexing and full-text search (PostgreSQL GIN)
Subscription billing FREE/BASIC/PRO, invoice lifecycle, auto-expire scheduler
Real-time dashboard powered by materialized views, refreshed every 15 minutes

Java 21Spring Boot 3.5PostgreSQLRedisJWTNext.jsTypeScript

GitHub

Education

Sai Gon University

2022 – Present

Major: Information Technology

GPA: 3.0

Contact

Got an opportunity that fits? Drop me a message.

Or reach me on:

GitHub LinkedIn Facebook Email

nhatnguyen27042005@gmail.com