JOB DESCRIPTION

• Design, develop, and deploy decentralized applications (dApps) on blockchain platforms (Ethereum, Polygon, Binance Smart Chain, etc.) using Node.js.
• Integrate with smart contracts (Solidity) and build backend services that interact with blockchain via Web3.js, Ethers.js, etc.
• Develop backend APIs for blockchain applications, handling both on-chain and off-chain data.
• Collaborate closely with frontend, UI/UX, and blockchain engineering teams to build the Web3 product ecosystem.
• Research and propose new blockchain solutions to ensure system performance, security, and scalability.
• Write technical documentation, perform unit testing, debugging, and optimize code.

JOB REQUIREMENTS

• Bachelor’s degree in Computer Science or a related field.
• 1–3 years of experience with Node.js development.
• Familiar with RESTful APIs, client-server architecture, JWT, WebSocket.
• Experience working with Web3.js or Ethers.js.
• Basic knowledge or experience with blockchain concepts (Ethereum, Solidity, smart contracts, gas fees, wallets, etc.).
• Understanding of consensus mechanisms, blockchain storage, NFTs, and DeFi is a plus.
• Good teamwork skills, problem-solving mindset, and proactive learning attitude.

PREFERRED QUALIFICATIONS

• Experience with tools such as Hardhat, Truffle, and Ganache.
• Knowledge of IPFS, Zero-Knowledge Proofs, and Layer 2 solutions.
• Experience building or deploying real-world dApps or participating in Web3 projects.
• Additional programming languages such as Solidity or Rust are a strong advantage.

WORKING ENVIRONMENT

• Competitive income, including fixed salary and performance-based bonus (KPI/commission, depending on the position).
• Fully equipped with laptop/PC and the necessary devices for effective work.
• Full social, health, and unemployment insurance is provided according to regulations upon signing the official labor contract.
• Employees who have officially worked at the company for 1 year or more will be enrolled in the PVI health insurance package.
• 12 days of annual leave.
• Internal activities: monthly Happy Hour, Workshops/Training Courses, and sports activities (football, badminton, etc.).
• Gifts on holidays, Tet, birthdays, and annual company trips.
• Opportunities for training and professional skill development, with a clear career progression path.
• Working hours: 8:00 AM – 5:00 PM, Monday to Friday (weekends off).