Hi, I'm
Technical Lead & Full Stack Developer
15+ years building enterprise solutions across healthcare, e-commerce, and AI platforms. Currently at NashTech — leading teams on cloud architecture, microservices, and integrating AI into real products. Based in Ho Chi Minh City, Vietnam.
Real-time voice interview platform powered by multiple AI providers — LiveKit for WebRTC infrastructure, Gemini Live for multimodal understanding, OpenAI Realtime API for low-latency conversation, and Amazon Bedrock Nova for enterprise-grade evaluation.
Production-ready multi-agent AI system built on LangGraph 1.1+ with a Supervisor/Orchestrator pattern. 7 specialized agents (Research, Code, Data, Ops, Knowledge, Deep Research, Software Architect) orchestrated via AWS Bedrock Claude, with real-time voice (Deepgram STT + AWS Polly TTS), PostgreSQL + pgvector persistence, and a Next.js 15 frontend.
Multi-market content management system supporting 12 languages and 30+ regional sites for a Fortune 500 client. Built on Umbraco and .NET with Azure infrastructure.
Led a team of 12 to migrate a 2M+ line monolithic retail system to microservices using the strangler pattern. 18 months from start to full decomposition.
GitHub Action that uses Claude API to automatically review pull requests — catches style issues, potential bugs, and suggests improvements before human reviewers look at the code.
Production RAG system that turns internal documentation into a searchable, conversational knowledge base. Built with LlamaIndex, ChromaDB, and Claude.
Daily English practice for tech professionals. Morning session covering social English — casual conversation, small talk, and social situations — with pronunciation guide, exercises, and real-world examples.
Learn how to use storytelling techniques when presenting technical ideas. As a Vietnamese developer or tech lead, master the art of making complex concepts memorable and compelling for any audience.
Master the hardest English sounds — th, v/f, r/l, and short vowels — with tech-themed tongue twisters, shadowing scripts, and 5-minute daily drills.
