Full Stack Developer · Spring Boot & Web Integration Specialist
Experienced developer specializing in Spring Boot backend systems, API integration, and automation solutions. With over 10 years of full-stack experience, I've built systems for business automation, marketplace synchronization, and digital services. Currently exploring Web3 integration and decentralized app architecture.
Interested in a deeper look? Request a live demon of the Spring Boot backend system developed by Mr. Hoe Lee. Discover how the architecture, automation, and integration work behind the scenes.
Login to View DemoA full-stack web application demonstrating professional-grade Java Spring Boot backend engineering, REST API design, and real-world data integration for enterprise systems.
Built with Spring Boot, JPA/Hibernate, and MySQL, featuring clean layered design (Controller → Service → Repository).
Bootstrap + DataTables with custom JSP pages for interactive dashboards and reports.
Docker-ready with configurable environments for Synology, Unraid, or cloud servers.
Authentication, access control, environment profiles, and global exception handling.
Marketplace sync (Shopee/Lazada), CDN uploads, OCR, and Google Translate integration.
Designed for feature expansion and microservices with SOLID principles.
Comprehensive business logic modules demonstrating real-world enterprise application development
Authentication & Authorization: Multi-role support (Admin, User, NGO), profile management, session handling, Spring Security.
E-commerce Integration: Multiple seller accounts, data sync, order tracking, and balances across Shopee/Lazada.
Wallet & Transactions: Withdrawal requests, approvals, transaction logging, and financial reporting.
Content Delivery: Large file uploads (up to 500MB), image metadata, content distribution, marketplace file management.
Multi-Domain Support: Domain parking, contact management, SSL automation, and multi-site management.
Smart Operations: OCR text extraction, Google Translate integration, CSV processing, and operational logging.
My experience extends beyond backend engineering — I've built complete solutions for startups and SMEs, including modern WordPress websites, Android applications, and a numerology report generator using CodeIgniter. I integrate systems, automate tasks, and deliver reliable tools that solve real business challenges.
Modern, enterprise-grade technologies and frameworks used in this application
This application demonstrates production-ready features and enterprise-level architecture
Role-based access control and user management.
Marketplace data, CSV imports, and transactions.
RESTful design, optimization, and secure flows.
Ideal for enterprise apps, automation, dashboards.
I'm Hoe Lee, a software developer passionate about clean code, automation, and practical problem-solving. I build reliable systems with clear, usable interfaces.
“I enjoy transforming ideas into efficient software systems that actually work — not just in theory, but in production.”