8+ years of overall software engineering experience, with a strong backend development foundation
2 to 4 years of hands-on experience in Web3 and blockchain application development, including smart contract development and blockchain protocol integration
3 to 5 years of experience with backend development using Java/Spring, Node.js, or equivalent enterprise frameworks
Proficiency in Solidity smart contract development, including testing frameworks (Hardhat, Foundry, Truffle) and security best practices
Hands-on experience with Web3 libraries such as Web3J, Web3JS, Ethers.js, or Viem
Solid understanding of blockchain fundamentals — consensus mechanisms, transaction lifecycle, gas models, wallet infrastructure, and key management
Experience with token standards (ERC-20, ERC-721, ERC-1155, ERC-3525, or equivalent) and tokenization patterns