Responsibilities: • Integrate with major public blockchains to ensure the wallet service fully supports on-chain operations (deposit scanning, withdrawals, fund consolidation, address generation). • Deploy and maintain public chain nodes to guarantee stable operation, with real-time monitoring and incident resolution. • Author technical documentation on public chains, providing the customer support team with detailed explanations of chain features. • Review token information for new listings to ensure platform token compliance and security. • Address online issues reported by customer service, ensuring timely and effective problem resolution. • Participate in the iterative development of blockchain products to optimize system performance and enhance the user experience. Education & Background: • Bachelor’s degree or higher in Computer Science or a related field. • Minimum of 2 years’ experience in blockchain wallet development, with in-depth knowledge of blockchain technology and on-chain deposit/withdrawal processes. Requirements: • Solid understanding of blockchain principles, mechanisms, and related cryptographic/signature algorithms. • Proficiency with leading public chains (e.g., Bitcoin, Ethereum, TRON, EOS, Polkadot, Solana, TON), including their transaction workflows and network architectures; able to independently develop and integrate wallet functionalities. • Expertise in Solidity or other smart contract languages, with hands-on experience in contract development, auditing, and deployment. • Strong command of blockchain wallet development techniques, including transaction signing, on-chain data queries, and wallet management. • Familiarity with common blockchain SDKs and APIs (e.g., Web3.js, Ethers.js, Bitcoin Core, TronLink, SUI SDK) and proven integration experience. • Proficient in Linux, with strong debugging and self-testing capabilities. • Mastery of HTTP/RESTful API design and consumption, with excellent coding and debugging skills. • Good English reading and writing skills, clear logical thinking, strong analytical and problem-solving abilities, effective communication, teamwork mindset, and a proactive, responsible work ethic. • Proficient in Java development and related frameworks; basic programming skills in Python, Node.js, Go, or C++.