Blockchain Developer

5 days ago

Hong Kong, Hong Kong SAR China Captiare Limited Full time

Our client, a leading financial institution, is seeking a Smart Contract / Blockchain Developer to join its innovative and fast-growing team. This role is ideal for someone passionate about blockchain technology, DeFi, and Web3, with deep expertise in building secure, scalable decentralized solutions. You will design and implement smart contracts, contribute to dApp architecture, and collaborate across teams to deliver cutting-edge blockchain products. Key Responsibilities Design, develop, test, and deploy smart contracts on Ethereum, Solana, or other EVM-compatible blockchains. Build and maintain decentralized applications (dApps) and supporting backend services. Audit and optimize smart contracts for security, gas efficiency, and maintainability. Stay current with blockchain trends, best practices, and emerging technologies. Collaborate with product managers, designers, and developers to define and deliver new features. Participate in code reviews, security assessments, and troubleshoot blockchain-related issues. Integrate smart contracts with front-end applications and off-chain systems using APIs and oracles. Contribute to open-source projects and engage with the broader crypto community. Qualifications Bachelor's degree in Computer Science, Engineering, or related field (advanced degrees a plus). 3+ years of blockchain development experience, including hands-on smart contract programming. Proficiency in Solidity and/or Rust; familiarity with Vyper, Go, or other blockchain languages is a plus. Strong understanding of blockchain protocols, standards, and consensus mechanisms. Experience with Web3 libraries (ethers.js, web3.js) and frameworks (Hardhat, Truffle, Brownie, Anchor). Knowledge of cryptographic principles, security best practices, and smart contract vulnerabilities. Familiarity with DeFi, NFTs, Layer 2 solutions, and DAO infrastructures. Experience with Git and agile development methodologies. Excellent problem-solving and communication skills; ability to work independently in distributed teams.

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