PRINCIPAL FULLSTACK ENGINEER · TECHNICAL LEADER
16+ years building high-scale products, leading cross-border teams, and turning complex systems into clean, performant experiences.
Get in touchBUILDING PRODUCTS AT
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. Built mobile app with React Native 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
In-product RAG chatbot answering user questions in real time. Drove documentation efficiency and UX improvements.
LangChain · Qdrant · Claude
Designed the Micro-FE framework adopted across the entire corporation. Earned the MFV Professional Award.
Rsbuild · Module Federation · React
Deep API integration with major shipping providers. Reduced lost/wrong packages and minimized PayPal disputes.
Node.js · Redis · GraphQL
Architected the core platform serving millions. Scaled from 3,500 to 30,000 concurrent users; 50,000 daily orders. Includes React Native mobile app.
Kafka · MongoDB · NestJS · Next.js · React Native
High-performance authentication service shared across multiple European products. Built around RabbitMQ Pub/Sub.
Java · Spring · RabbitMQ · OAuth
Things I build on weekends — just for fun and to learn new tools
Decentralized payment gateway — on-chain multi-currency swaps, smart contract escrow, yield-bearing merchant vaults, and fiat off-ramp integration.
Solidity · Web3.js · React · Hardhat · EVM
Payment processing platform for healthcare & automotive businesses — practice management integration, multi-channel payments, surcharge program, and POS terminal management.
NestJs · NextJs · Payment Gateway · POS Integration
Farm-to-bar traceability for sustainable cocoa. Tracks each batch from co-op to chocolate maker; permissions + audit trail for buyers.
React · Node.js · PostgreSQL · AgriTech · SupplyChain
Renewable energy company website — solar panel configurator, energy savings calculator, and consultation booking.
Next.js · Strapi CMS · Digital Ocean · Renewable energy
Cloud-based CRM and loyalty platform for beauty salons, restaurants, and retail shops in Japan — point card management, marketing automation, reservation system, mobile app, and multi-store analytics serving 2,500+ stores.
Next.js · React Native · Java · MySQL · CRM · Loyalty
Social network for Vietnamese students — career board, skill-sharing groups, and community forums for early-career talent.
NodeJs · ReactJs · MySQL · Digital Ocean · Social Network
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