Blockchain Software Developer - Digital Assets Platform
- Hiring Organisation
- Citigroup
- Location
- London, UK
- Employment Type
- Full-time
contracts written in Solidity or equivalent languages, ensuring security, correctness, and gas efficiencyIntegrate Web3 libraries and SDKs (e.g., Web3J, Web3JS, Ethers.js, Viem) into enterprise Java and/or Node.js backend servicesImplement asynchronous, event-driven architectures to handle on-chain events, transaction lifecycle management, and blockchain state synchronizationCollaborate with architects … development foundationProven hands-on experience in Web3 and blockchain application development, including smart contract development and blockchain protocol integrationSolid experience with backend development using Java/Spring, Node.js, or equivalent enterprise frameworksProficiency in Solidity smart contract development, including testing frameworks (Hardhat, Foundry, Truffle) and security best practicesHands-on experience with ...