Web3 Full Stack Developer

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🕒 August 1, 2025

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Hyphen Connect

WebsiteLinkedInAll Job Openings

1 - 10 employees

Founded 2024

🌐 Web 3

🎯 Recruiter

AI • Web 3 • Recruitment

Hyphen Connect is a recruitment agency specializing in AI and Web3 talent acquisition. They provide tailored staffing solutions, including RPO services, to meet the unique demands of the AI and blockchain sectors. With a focus on connecting businesses with top talent, Hyphen Connect helps create strong teams by understanding industry-specific requirements and fostering an inclusive community for professionals in these innovative fields.

📋 Description

• 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. • Smart Contract Development: Design, develop, test, and deploy secure smart contracts on various blockchain platforms (e.g., Ethereum, Solana, Polkadot, Cosmos). • Backend Development: Build and maintain backend infrastructure for dApps using languages like Golang, Java, Node.js, or Rust, ensuring scalability and performance. • Frontend Development: 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). • Blockchain Integration: Integrate dApps with blockchain networks, wallets (e.g., MetaMask, WalletConnect), and decentralized protocols (e.g., IPFS, The Graph). • Protocol Development: Contribute to the design and implementation of Web3 protocols, including consensus mechanisms, cross-chain bridges, or DeFi primitives. • Security & Testing: Implement secure coding practices, conduct audits, and develop testing frameworks to ensure the reliability and security of smart contracts and dApps. • Optimization: Optimize performance of blockchain interactions, gas efficiency, and backend systems to enhance user experience and reduce costs. • Collaboration: Work with product managers, blockchain engineers, and designers to deliver end-to-end Web3 solutions aligned with project goals. • Research & Innovation: Stay updated on Web3 trends, emerging protocols, and new blockchain technologies to propose innovative solutions.

🎯 Requirements

• 3+ years of full stack development experience, with at least 1+ years in Web3 or blockchain development. • Proven experience building dApps or working on Web3 protocols (e.g., DeFi, NFTs, DAOs, or layer-2 solutions). • Proficiency in Golang, Java, Node.js, or Rust for backend development. • Experience with smart contract languages like Solidity, Vyper, or Rust (for Solana/Polkadot). • Strong knowledge of front-end technologies (e.g., React, Vue.js, TypeScript, Next.js) and Web3 libraries (e.g., ethers.js, web3.js). • Familiarity with blockchain protocols (e.g., Ethereum, Solana, Cosmos, Polkadot) and tools (e.g., Truffle, Hardhat, Foundry) • Experience with decentralized storage (e.g., IPFS, Filecoin) and indexing solutions (e.g., The Graph). • Understanding of RESTful APIs, GraphQL, and microservices architecture. • Deep understanding of blockchain concepts (e.g., consensus mechanisms, gas fees, EVM, cross-chain interoperability) and Web3 ecosystems (e.g., DeFi, NFTs, DAOs). • Knowledge of smart contract security best practices, common vulnerabilities (e.g., reentrancy, front-running), and auditing tools.