Building scalable software, intelligent systems, and products that create real-world impact.
I build real systems, not just demos.
My interests span across:
- 🏢 Enterprise Software (CRM / HRM / ERP)
- 🌐 Full-Stack SaaS Platforms
- 🤖 AI-Powered Applications
- 📊 Analytics & Decision Systems
- 🎮 Game Systems & Real-Time Infrastructure
- 📱 Cross-Platform Mobile Applications
I enjoy designing software that can evolve from an idea into a platform capable of serving real users at scale.
Career intelligence and educational analytics platform helping students and developers:
- Discover future career opportunities
- Understand skill gaps
- Track learning progress
- Explore AI-powered recommendations
Stack: Next.js • Spring Boot • PostgreSQL • Python • AI
Business ecosystem including:
- CRM
- HRM
- ERP
- Lead Management
- Project Management
- Staff Tracking
- Timesheet System
Stack: Spring Boot • PostgreSQL • Next.js
Unified dashboard for monitoring:
- Stocks
- Real Estate
- Cryptocurrency
- Economic Indicators
Including:
- Market Analysis
- Technical Learning
- Portfolio Tracking
- AI Insights
Focused on:
- Gameplay Architecture
- Multiplayer Concepts
- Real-Time Synchronization
- Backend Services for Games
Stack: Unity • C# • WebSocket
- Multi-Tenant SaaS Platforms
- Enterprise Software Architecture
- AI Integration Into Real Applications
- Data Analytics Systems
- Real-Time Infrastructure
- Educational Technology
- Distributed Systems
- Event-Driven Architecture
- Domain-Driven Design
- Scalable Backend Systems
- AI Agents & Automation
- Product Engineering
Technology should not only work.
It should scale, adapt, and create measurable value.
My goal is to build software that helps people make better decisions, learn faster, and solve meaningful problems.
🌐 Website: https://quachthanhlong.com
💻 GitHub: https://github.com/StephenSouth13
📧 Email: contact@quachthanhlong.com