PRINCIPAL FULLSTACK ENGINEER · TECHNICAL LEADER
15 years building high-scale products, leading cross-border teams, and turning complex systems into clean, performant experiences.
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From React to Go, Node.js to Python — end-to-end product delivery at scale.
Microservices, Micro-FE, and cloud-native systems built for millions of users.
RAG, LLMs, and AI-powered tools that boosted team productivity by 30%.
Leading 15+ engineers across Vietnam, Japan, and India with clarity and craft.
Concurrent users scaled from 3,500 to 30,000
Team productivity boost through AI integration
Reduction in post-shipment defects via Shift Left Testing
Principal Engineer · Lead Cross-Border Team
Led 15+ engineers across Vietnam, Japan, and India. Standardized Micro-FE, Feature Flags, and UI components across the corporation. Integrated AI/ML tools boosting productivity by 30%.
Technical Leader · Founder Engineer
Scaled e-commerce platform 8x (3,500 to 30,000 concurrent users). Architected cross-border dropshipping system with Kafka for robust order processing serving millions of customers.
Fullstack Developer
Spearheaded migration from jQuery to modern frameworks (React/Angular/Vue). Built Authentication Microservices with RabbitMQ. Won Best Mentor of Niteco Young Talent Program.
Backend Developer · Team Leader
Led development team, managed project lifecycle. Optimized algorithms for device and system performance. Established unit testing and code review practices.
A glimpse of products and platforms I've shaped over the years
AI assistant published on the GPT Store. Analyzes accounting statements and auto-generates reports for finance teams.
ChatGPT · Qdrant · RAG
Designed the Micro-FE framework adopted across the entire corporation. Earned the MFV Professional Award.
Rsbuild · Module Federation · React
In-product RAG chatbot answering user questions in real time. Drove documentation efficiency and UX improvements.
LangChain · Qdrant · Claude
Architected the core platform serving millions. Scaled from 3,500 to 30,000 concurrent users; 50,000 daily orders.
Kafka · MongoDB · NestJS · Next.js
Deep API integration with major shipping providers. Reduced lost/wrong packages and minimized PayPal disputes.
Node.js · Redis · GraphQL
High-performance authentication service shared across multiple European products. Built around RabbitMQ Pub/Sub.
Java · Spring · RabbitMQ · OAuth
Technologies I work with daily across the full stack
Node.js · Go · Python · Java Express · NestJS · FastAPI · Spring
React · Vue · Next.js · Nuxt.js Micro-FE · TypeScript · Tailwind
React Native · Expo React Query · Apollo
AWS · Kubernetes · Docker Terraform · ArgoCD · CI/CD
RAG · LLM · LangChain ChatGPT · Claude · Gemini
PostgreSQL · MongoDB · Redis Kafka · ElasticSearch · Firebase