Building high-concurrency distributed systems with Node.js, TypeScript & AWS
Available for opportunities
Full-Stack Engineer and Backend Tech Lead with 9+ years of experience architecting and delivering production-grade systems across Backend, Frontend, and DevOps. Specializes in designing high-concurrency, distributed architectures — microservices, async event-driven pipelines, and auto-scaling infrastructure. Multi-cloud proficient (AWS, GCP, Azure) and multi-language (TypeScript/Node.js, Golang, PHP). Proven track record leading engineering teams in international, remote-first environments with strong English communication. Actively adopts cutting-edge AI-driven development workflows to accelerate delivery.
US-based eCommerce platform. Designed microservices architecture on AWS ECS with auto-scaling for high-concurrency traffic. Implemented async event processing via SQS, SNS, and EventBridge. Led backend team of 7 engineers. Pioneered multi-agent Claude Code systems to accelerate delivery.
Patient-centered healthcare platform. Built backend services with Kubernetes-based microservices and horizontal scaling. Leveraged AWS SQS/SNS/EventBridge for async notification pipelines. Designed healthcare data schemas and performant APIs.
Built enterprise solutions: DAIKIN Vietnam (service booking and technician dispatch with Docker Swarm and PostgreSQL replication), CC Core (GCP serverless platform), Web Builder (multi-tenant SaaS), Daikin Edu (technician LMS), and Jbee (on-demand home services).
International clients (Singapore and US). Built Orchxtra (student project mgmt), SoundFyr (social media), CMA (gamified e-learning), Indigo (LMS), MJX (e-commerce), and CPQ (construction project mgmt) using Node.js, TypeScript, AWS, and various frontend frameworks.
Built GiaDinhTre (family magazine and community platform with Socket.IO) and Lociel Video (video content platform) using Node.js, ReactJS, MySQL, and Redis.
Built GiupViecNha (on-demand cleaning), DTaxi (ride-booking platform), PACIFICLINES (logistics), NEXXID (auth service), and COKOOL (fashion e-commerce) using Node.js, HAPI, PHP Yii2, ReactJS, AngularJS, PostgreSQL, and MongoDB.
Built Laws, a government legal information platform using Ruby on Rails and AngularJS 1.5.
US-based eCommerce platform for nail products and services. Microservices on AWS ECS with auto-scaling, async event-driven pipelines (SQS, SNS, EventBridge), and Algolia-powered search.
Patient-centered healthcare platform with Kubernetes-based microservices, async notification pipelines, and secure APIs for patient data management.
Service booking and technician dispatch platform. Architected Docker Swarm infra with master-slave PostgreSQL replication for high-concurrency booking. Built GraphQL API via Hasura and Apollo Server.