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Web3 Full Stack Developer

Hyphen Connect Limited

Singapore11mo ago

About the role

<p>We are hiring for one of our ecosystem projects in Web3. As a Web3 Full Stack Developer, you will design, develop, and maintain decentralized applications (dApps) and blockchain-based systems. You will work across the full stack, from smart contract development to front-end interfaces, collaborating with cross-functional teams to deliver secure, scalable, and user-friendly Web3 solutions. Your expertise in Web3 protocols and modern tech stacks will be critical to building robust applications for the decentralized web.</p> <p><strong>Key Responsibilities</strong></p> <ul> <li><strong>Smart Contract Development:</strong> Design, develop, test, and deploy secure smart contracts on various blockchain platforms (e.g., Ethereum, Solana, Polkadot, Cosmos).</li> <li><strong>Backend Development:</strong> Build and maintain backend infrastructure for dApps using languages like Golang, Java, Node.js, or Rust, ensuring scalability and performance.</li> <li><strong>Frontend Development:</strong> Create responsive, user-friendly front-end interfaces for dApps using modern frameworks (e.g., React, Vue.js, Next.js) integrated with Web3 libraries (e.g., ethers.js, web3.js).</li> <li><strong>Blockchain Integration:</strong> Integrate dApps with blockchain networks, wallets (e.g., MetaMask, WalletConnect), and decentralized protocols (e.g., IPFS, The Graph).</li> <li><strong>Protocol Development:</strong> Contribute to the design and implementation of Web3 protocols, including consensus mechanisms, cross-chain bridges, or DeFi primitives.</li> <li><strong>Security &amp; Testing:</strong> Implement secure coding practices, conduct audits, and develop testing frameworks to ensure the reliability and security of smart contracts and dApps.</li> <li><strong>Optimization:</strong> Optimize performance of blockchain interactions, gas efficiency, and backend systems to enhance user experience and reduce costs.</li> <li><strong>Collaboration:</strong> Work with product managers, blockchain engineers, and designers to deliver end-to-end Web3 solutions aligned with project goals.</li> <li><strong>Research &amp; Innovation:</strong> Stay updated on Web3 trends, emerging protocols, and new blockchain technologies to propose innovative solutions.</li> </ul> <p><strong>Qualifications</strong></p> <ul> <li><strong>Education:</strong> Bachelor’s or Master’s degree in Computer Science, Engineering, or a related technical field, or equivalent experience.</li> <li><strong>Experience:</strong> <ul> <li>3+ years of full stack development experience, with at least 1+ years in Web3 or blockchain development.</li> <li>Proven experience building dApps or working on Web3 protocols (e.g., DeFi, NFTs, DAOs, or layer-2 solutions).</li> </ul> </li> <li><strong>Technical Skills:</strong> <ul> <li>Proficiency in <strong>Golang</strong>, <strong>Java</strong>, <strong>Node.js</strong>, or <strong>Rust</strong> for backend development.</li> <li>Experience with smart contract languages like <strong>Solidity</strong>, <strong>Vyper</strong>, or <strong>Rust (for Solana/Polkadot)</strong>.</li> <li>Strong knowledge of front-end technologies (e.g., <strong>React</strong>, <strong>Vue.js</strong>, <strong>TypeScript</strong>, <strong>Next.js</strong>) and Web3 libraries (e.g., <strong>ethers.js</strong>, <strong>web3.js</strong>).</li> <li>Familiarity with blockchain protocols (e.g., Ethereum, Solana, Cosmos, Polkadot) and tools (e.g., Truffle, Hardhat, Foundry).</li> <li>Experience with decentralized storage (e.g., IPFS, Filecoin) and indexing solutions (e.g., The Graph).</li> <li>Understanding of RESTful APIs, GraphQL, and microservices architecture.</li> </ul> </li> <li><strong>Web3 Knowledge:</strong> Deep understanding of blockchain concepts (e.g., consensus mechanisms, gas fees, EVM, cross-chain interoperability) and Web3 ecosystems (e.g., DeFi, NFTs, DAOs).</li> <li><strong>Security Skills:</strong> Knowledge of smart contract security best practices, common vulnerabilities (e.g., reentrancy, front-running), and auditing tool</li> </ul> <p>.<strong>Bonus Skills:</strong></p> <ul> <li>Experience with layer-2 solutions (e.g., Arbitrum, Optimism) or cross-chain bridges.</li> <li>Familiarity with DevOps tools (e.g., Docker, Kubernetes) and cloud platforms (e.g., AWS, GCP).</li> <li>Contributions to open-source Web3 projects or blockchain protocols.</li> <li>Knowledge of cryptographic principles (e.g., zero-knowledge proofs, MPC).</li> </ul>

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