Smart Contract Engineer- Financial Services; PERM role

5 days ago

Hong Kong Island, Hong Kong SAR China Rober Walters Hong Kong Full time

As a Smart Contract Engineer based in Hong Kong, you will play a pivotal role in shaping next‑generation decentralised applications by leveraging your deep understanding of blockchain protocols. Designing, developing, testing, and deploying robust smart contracts on various blockchains such as Ethereum, Solana, or other EVM‑compatible networks to support innovative decentralised solutions. Building and maintaining decentralised applications (dApps) along with related backend services that enable seamless user experiences within the blockchain ecosystem. Auditing, optimising, and documenting smart contracts to ensure they meet high standards of security, gas efficiency, and maintainability for long‑term reliability. Staying up to date with emerging trends in blockchain technology by researching new protocols, best practices, and advancements relevant to smart contract engineering. Collaborating closely with product managers, UI/UX designers, and fellow developers to define requirements, design features, and deliver impactful new functionalities. Participating actively in code reviews and security assessments while troubleshooting complex issues related to blockchain integrations or vulnerabilities. Integrating smart contracts with web frontends and off‑chain systems using APIs and oracles to create comprehensive end‑to‑end solutions. Contributing to open‑source initiatives by sharing code improvements or participating in community discussions as part of broader engagement within the crypto space. Bachelor’s degree in Computer Science, Engineering, Information Technology or a related field; advanced degrees are considered an asset for this role. At least three years of hands‑on experience in blockchain development with proven expertise in designing and implementing smart contracts for production environments. Proficiency in Solidity and/or Rust programming languages; familiarity with Vyper, Go or other blockchain‑oriented languages is highly desirable for expanding project scope. Comprehensive understanding of blockchain protocols including consensus mechanisms, token standards (ERC‑20/721/1155), Layer 2 solutions, DeFi architectures, NFTs and DAO infrastructures. Experience working with web3 libraries such as ethers.js or web3.js as well as frameworks like Hardhat, Truffle, Brownie or Anchor for streamlined development workflows. Strong grasp of cryptographic principles underpinning secure smart contract design along with awareness of common vulnerabilities such as reentrancy attacks or integer overflows. Demonstrated ability to audit codebases for security risks while optimising gas usage without compromising maintainability or readability. Familiarity with agile methodologies and version control systems like Git for effective team collaboration on complex projects. Excellent analytical thinking combined with problem‑solving abilities that enable you to address technical challenges efficiently while communicating clearly within cross‑functional teams. About the job Contract Type: Perm Focus: Software Engineering Salary: HKD600,000 - HKD10,000,000 per annum #J-18808-Ljbffr

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