Khong Vu Minh Duc
Backend Developer with experience building Node. js services and blockchain-integrated applications. Familiar with REST APIs, Web Socket, Redis, Docker, and Postgre SQL. Interested in developing scalable backend systems and continuously improving software engineering skills.
Experience
Backend Engineer
A-Star Group
Hanoi, Vietnam
Developed backend services and RESTful APIs using Node. js, Type Script. Designed and implemented API endpoints for application features, including request validation, business logic, and error handling. Worked with Mongo DB and Postgre SQL for storing and querying application data. Integrated Redis for caching and reducing redundant database and external service requests.
Built real-time services using Web Socket for event-driven application features. Containerized backend services with Docker. Integrated external services and APIs, including blockchain RPC providers and smart contract interactions using ethers. js.
Education
HaNoi University of Science and Technology
Bachelor of Computer Science
Grade: 3.2/4
Skills
TypeScriptJavaScriptPythonEVMRPC providersethers.jsUniswap conceptsExpress.jsREST APIsWebSocketSanicMongoDBRedisSQLPostgre
Technical Skills
Languages
TypeScript, JavaScript, Python
Blockchain
EVM, RPC providers, ethers.js, Uniswap concepts
Backend
Express.js, REST APIs, WebSocket, Sanic
Databases
MongoDB, Redis, PostgreSQL
Projects
Blockchain Event Listener & RPC Management System
Built a backend service to manage multiple RPC endpoints with automatic failover. Implemented failover logic to handle unavailable RPC providers. Improved reliability of blockchain data collection across multiple networks.
Polymarket Arbitrage Bot
Developed a simple arbitrage bot to monitor market prices and identify potential opportunities. Implemented trade validation logic before execution.
Interests
Chess, Football, Badminton