Full-stack Developer (m/f/d)

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💎 Seniority level: Middle, 3+ years

📍 Location: Worldwide

🔍 Industry: Web3 Development

🏢 Company: EoT Labs GmbH

🗣️ Languages: English

⏳ Experience: 3+ years

🪄 Skills: GraphQLNode.jsPostgreSQLBlockchainEthereumExpress.jsFull Stack DevelopmentGitJavascriptMongoDBReact.jsTypeScriptFirebaseNest.jsNext.jsWeb3.jsCI/CDRESTful APIs

Requirements:

3+ years of experience as a Full-stack Developer.
Proven experience working with JavaScript & TypeScript.
Some experience working with Next.js, React.js, and Node.js for fullstack development.
Hands-on experience with blockchain and Web3 development.
Proficiency with Web3.js, Ethers.js, or Viem to interact with smart contracts.
Understanding of Ethereum Virtual Machine (EVM), Solidity, and smart contract development.
Experience working with ERC-20 tokens, NFTs (ERC-721, ERC-1155), and DeFi protocols.
Backend experience with Express.js, Nest.js, or similar frameworks.
Familiarity with IPFS, The Graph, Moralis, or Alchemy for blockchain data access.
Strong understanding of security best practices in Web3 applications.
Experience with databases such as PostgreSQL, MongoDB, or Firebase.
Version control with Git/GitHub and CI/CD pipelines.

Responsibilities:

Develop and maintain Web3 applications using Next.js (frontend) and Node.js (backend).
Build decentralized applications (dApps) that integrate with smart contracts.
Work with Ethereum, Polygon, and other blockchain networks to interact with smart contracts using Web3.js, Ethers.js, or Viem.
Implement and integrate ERC-20, ERC-721 (NFTs), and ERC-1155 token standards.
Optimize frontend and backend performance for scalability, security, and usability.
Build robust APIs and services using RESTful APIs and GraphQL.
Collaborate with blockchain engineers, designers, and product teams to create seamless user experiences.
Write clean, modular, and well-documented code following SOLID principles and Web3 best practices.
Stay updated with the latest trends in Web3, blockchain development, and smart contract integration.

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