I'm a Full-Stack Developer & Automation Developer specializing in building
real-world applications, workflow automation, and scalable systems.
I focus on clean architecture, maintainable code, and solutions that work in production.
- Build full-stack web applications (frontend + backend)
- Design and implement automation workflows using n8n
- Develop backend APIs & services with PHP, Laravel, Node.js, TypeScript, NestJS
- Create real-time features (WebSocket, presence, online/offline tracking)
- Integrate AI services into workflows and business systems
- Help businesses automate processes and scale efficiently
Frontend
- JavaScript, TypeScript
- React
- Vue.js
- Next.js
- Nuxt.js
- HTML, CSS
- Bootstrap, Tailwindcss
Backend
- PHP (Laravel, WordPress)
- Node.js
- TypeScript
- NestJS
- REST API, WebSocket
- Authentication (JWT)
- Real-time presence & tracking
- Database design (MySQL, PostgreSQL, MongoDB)
Automation & Integration
- N8N (custom nodes, advanced workflows)
- API integrations
- Google Sheets, CRM, marketing tools
- AI-powered automation (LLMs, embeddings)
Data & Workflow
- Workflow engines
- Conditional logic & batch processing
- Data transformation & validation
- Observability & error handling
- Think in end-to-end solutions, not isolated features
- Write clean, readable, and maintainable code
- Communicate clearly with technical & non-technical clients
- Prefer long-term, scalable solutions over quick fixes
- Remote-friendly
- Comfortable working with international clients
- Clear communication & documented code
- Suitable for Upwork, freelance, and long-term collaboration
- GitHub: https://github.com/lethevinh
If you're looking for a Full-Stack & Automation Developer who can
build, integrate, and automate complete systems, feel free to explore my work or reach out.