- 💼 Technical Lead @ Rebo Technology (EdTech SaaS)
- 🧠 4+ years building scalable systems (Laravel, Java, React, Next.js)
- 🏗️ Strong in System Design, Clean Architecture, DDD, Multi-Tenant SaaS
- ⚙️ Hands-on with DevSecOps, Docker, CI/CD, Infrastructure Optimization
- 🎯 Focus on practical solutions, scalability, and real business impact
- 🏆 Core member of project đạt SEI Awards 2025 – Educational Impact of the Year
- 🧩 Design & build large-scale SaaS systems
- 🏛️ Architect systems using:
- Clean Architecture
- Domain-Driven Design (DDD)
- 4+1 View Model
- ⚡ Optimize performance, cost & reliability (reduce infra cost ~90%)
- 🔐 Implement DevSecOps & Security (OWASP, Zero Trust)
- 👨🏫 Mentor engineers & lead technical strategy
- PHP (Laravel), Java (Spring Boot)
- RESTful API, Authentication (JWT, OAuth2)
- Queue, Job, Event, Listener
- React.js, Next.js, TypeScript
- Redux Toolkit, Modular Architecture
- Docker, CI/CD, Cloud (GCP, CloudHub, Coolify)
- Security Hardening, VPS architecture
- Monitoring, rollback, backup strategies
- MySQL, Redis, Qdrant Vector DB
- Caching: Cache-Aside, Write-Through, SWR
- SOLID Principles
- Design Patterns (Repository, Service Layer)
- Multi-Tenant SaaS Design
- Systems Thinking & KISS Principle
- AI + 3D Simulation LMS
- ~16,000 users, zero downtime
- Reduced infrastructure cost by ~90%
- AI Agent (Laravel + Python + Vector DB)
- Multi-layer caching & cost optimization
- Tenant isolation (DB per tenant)
- Custom domain + OAuth per tenant
- 📧 Email: duch9707@gmail.com
- 🌐 GitHub: https://github.com/mr-duc-ops
Simplicity First – Build what matters, scale what works.
I believe technology should solve real problems.
Clean, scalable, and maintainable systems always win in the long run.