Professional Summary
- 7+ years of experience in software development with 5+ years specialized in Frontend and 3+ years in Backend development.
- Frontend Expertise: React, React Native, React Hooks, NextJS, Redux, TypeScript, Material UI
- Backend Expertise: Node.js, Express.js, NestJS, Golang. Strong experience in RESTful APIs, GraphQL, WebSocket
- Database: MongoDB, PostgreSQL, MySQL, Redis with database design and optimization experience
- Cloud & DevOps: AWS (EC2, S3, Lambda, RDS), Docker, Kubernetes, CI/CD pipelines
- Architecture: Microservices, serverless applications, API Gateway, message queues
- Blockchain: Smart contract integration, Web3.js, Ethers.js, wallet connectivity
- AI/ML: Python, LangChain, OpenAI/Gemini API integration, AI chatbot development, image generation (Flux)
Work Experience
Fullstack Developer
Icetea Labs
2020 - Present
- Design and implement full-stack solutions using React/NextJS frontend and Node.js/Golang backend
- Develop RESTful APIs, GraphQL endpoints, and WebSocket real-time communication
- Design and optimize database schemas (MongoDB, PostgreSQL, Redis)
- Implement authentication/authorization systems (JWT, OAuth2)
- Deploy and maintain applications on AWS with Docker/Kubernetes
- Write smart contracts and integrate blockchain functionalities
Mobile App Developer
GMO Z.com Runsystem
2019 - 2020
Mobile application programming with React Native framework
iOS App Developer
HICOM Software
2018 - 2019
iOS App Programming with Swift Language
Technical Skills
Frontend Development
- Languages: JavaScript/ES6, TypeScript
- Frameworks: React, React Native, NextJS, Redux, Recoil
- UI Libraries: Material UI, Tailwind CSS, Ant Design
- Mobile: iOS SDK, Android SDK, Swift
Backend Development
- Languages: Node.js, Golang
- Frameworks: Express.js, NestJS, Gin
- APIs: RESTful, GraphQL, WebSocket, gRPC
- Auth: JWT, OAuth2, Passport.js
Database & Caching
- SQL: PostgreSQL, MySQL
- NoSQL: MongoDB
- Cache: Redis
- ORM: TypeORM, Prisma, Mongoose, GORM
DevOps & Cloud
- Cloud: AWS (EC2, S3, Lambda, RDS)
- Container: Docker, Kubernetes
- CI/CD: GitHub Actions, GitLab CI
- Monitoring: CloudWatch, Prometheus
Blockchain
- Smart Contracts: Solidity, Web3.js, Ethers.js
- Wallets: MetaMask, WalletConnect
- Networks: Ethereum, BSC, Polygon, TON
AI & Machine Learning
- Language: Python
- Frameworks: LangChain
- AI APIs: OpenAI, Google Gemini, Flux (Image Gen)
- Applications: AI Chatbots, Content Generation
Tools & Methodologies
- Version Control: Git, GitHub, GitLab
- Testing: Jest, Mocha, Chai, Supertest
- Architecture: Microservices, MVC, Clean Architecture
Key Projects
TELEGRAM TON KOMBAT BOT
Tech: ReactJS, Node.js, PostgreSQL, Redis, WebSocket, TON
Blockchain
The first fierce arena game on Telegram, where eight houses of TON
representing top-tier projects are battling for supremacy.
Frontend:
- Developed Earn, Upgrade, Kombat, Friends, Airdrop modules
- Implemented real-time battle animations and state management
- Integrated TON wallet connectivity
Backend:
- Designed and implemented RESTful APIs for game logic
- Built WebSocket server for real-time PvP battles
- Developed authentication system with Telegram Mini App
- Designed PostgreSQL database schema for user data, game state, transactions
- Implemented Redis caching for leaderboard and real-time data
- Integrated TON blockchain for token transactions
TELEGRAM SEED BOT
Tech: ReactJS, NestJS, MongoDB, Redis, Bull Queue, Web3
Leading Web3 social gaming platform on Telegram. Reached
1M daily active users within 3 weeks and
attracted users from 200+ countries.
Frontend:
- Developed Mission, Market, Inventory, Guild modules
- Implemented wallet connection and transaction flows
- Optimized UI performance for smooth animations
Backend:
- Built scalable NestJS microservices architecture
- Designed MongoDB schemas for game assets and user inventory
- Implemented GraphQL API for flexible data querying
- Created background job queues with Bull for task processing
- Set up AWS infrastructure with Docker and Kubernetes
- Monitored and optimized API performance (handle 1M+ DAU)
GAMEFI.ORG
Tech: NextJS, Node.js, NestJS, MongoDB, PostgreSQL, Redis, AWS
The biggest launch-pad in the blockchain gaming industry providing
information on thousands of NFT games. Features IGO, INO, token
staking, and NFT marketplace.
Frontend:
- Created landing page and game discovery interface
- Developed Launch-pad (IDO, INO, Staking) modules
- Built Game World/Game Detail pages
Backend:
- Architected microservices with NestJS
- Designed hybrid database strategy (MongoDB + PostgreSQL)
- Built GraphQL API for flexible game data queries
- Developed NFT marketplace backend (listing, bidding, purchasing)
- Created blockchain indexer for real-time event processing
- Set up AWS infrastructure (Lambda, API Gateway, RDS)
OASYS
Tech: NextJS, Golang, PostgreSQL, Redis, Docker, Kubernetes
Oasys combines public and private blockchain technologies to
deliver a seamless, speedy, zero-gas-fee gaming experience.
Backend:
- Built high-performance APIs with Golang and Gin framework
- Designed PostgreSQL database for token sales and staking
- Implemented smart contract event listeners and indexing
- Set up Kubernetes cluster for auto-scaling
- Implemented monitoring with Prometheus and Grafana
Additional Experience
Earlier in my career (2018-2020), I developed mobile applications across diverse industries including finance, insurance, government, and manufacturing:
- AVIVA Insurance (React Native, 2020) - Customer service mobile app for insurance policy tracking, contract payments, and customer request management
- VIB International Bank (React Native, 2019-2020) - CRM mobile solution for the sales team to manage customer profiles, records, and special offers
- Government of Vietnam (React Native, 2019) - Citizen services platform for administrative procedures, public service lookup, and online payment for government services
- Kobelco (Kobe Steel) (React Native, 2018-2019) - Product information library with technical calculation tools for welding products
Education
Bachelor of Information Technology
Hanoi Open University
Good Degree
2012 - 2016
Key Achievements
- Successfully scaled applications to handle 1M+ daily active users
- Designed and implemented microservices architecture for multiple Web3 projects
- Led backend infrastructure migration to Kubernetes with zero downtime
- Optimized API response time by 60% through caching strategies
- Reduced AWS costs by 40% through infrastructure optimization