Harris Allied

Blockchain Developer

Harris Allied

2 days ago

## Blockchain/Smart Contract Developer A Financial Technology industry leader has an immediate need for a **Blockchain/Smart Contract Developer** to join their world-class technology team in a full-time role based in midtown Manhattan. The individual in this exciting role is responsible for the development of blockchain-based applications and decentralized applications (dApps), from smart contract design to intuitive and high-performing blockchain integration. In this hybrid role, you will work on the end-to-end delivery of secure, scalable, and engaging products. Expertise with blockchain technology (e.g., smart contracts, web3 integration), cloud platforms, tools and frameworks, and Python or Java is required. ### About the Role * 3+ years of experience in blockchain / smart contract software engineering * Designing, writing, and building secure smart contracts for Ethereum-based applications/token standards like ERC20, ERC721, and ERC1400 using Solidity along with third-party interfaces and design patterns like Upgradeable Proxy Pattern * Evaluating and integrating with multiple blockchain protocols, including both EVM and non-EVM ecosystems (Avalanche, Solana, Hyperledger) * Hands-on experience with tools/frameworks like OpenZeppelin, Hardhat, Foundry, ethers.js; including writing comprehensive and automated tests (unit, integration, and fuzz) * Integrating / bridging between blockchain/distributed ledgers and external components * Proficiency in two or more of the following languages: Java, TypeScript, Python ### Skills/Qualifications * Designing, implementing, and supporting distributed blockchain-based enterprise solutions for regulated domains (financial/banking/asset management) * Familiarity with Web3 ecosystems, DeFi, cross-chain interoperability, wallet integrations, layer 2 & scaling solutions * Familiarity with AI coding tools is a plus * Working knowledge of cloud platforms (Google Cloud, AWS) is a plus * Experience in software engineering with large and diverse codebase * Excellent writing and communication skills *When applying, mention the word **CANDYSHOP** to show you read the job post completely.*