Full-Stack Web3 Engineer for DeFi & DApps

EtherwaveLabs; United States; Remote; USD 140.000 - 210.000; Vollzeit

Zusammenfassung

Etherwave Labs is seeking a seasoned Full-Stack Developer with extensive blockchain experience to build production-grade Web3 infrastructure and applications. You will work across the stack from modern frontend interfaces to backend services and on-chain integrations.

The role emphasizes hands-on development with React, Next.js, TypeScript, Node.js, and Solidity, plus integration with EVM networks, wallet connectivity, and secure, scalable architectures in a collaborative environment.

Qualifikationen

• Extensive hands-on blockchain and Web3 development experience.
• Strong proficiency in JavaScript/TypeScript, React, and Next.js.
• Backend experience with Node.js and frameworks such as Express or Fastify.
• Experience designing REST APIs, working with relational databases, and building scalable backend services.
• Practical experience integrating Solidity smart contracts into full-stack applications.
• Strong understanding of Ethereum, EVM-compatible chains, and token standards such as ERC-20 and ERC-721.
• Experience with libraries and tools such as ethers.js, wagmi, Foundry, or Hardhat.
• Understanding of smart contract security, blockchain transaction failures, gas fees, and event-driven architecture.
• Experience with Git, automated testing, CI/CD, and production deployment workflows.
• Ability to independently troubleshoot complex issues across frontend, backend, and blockchain layers.

Aufgaben

• Develop and maintain full-stack Web3 applications using modern frontend and backend technologies.
• Build responsive, high-performance user interfaces using React, Next.js, TypeScript, and related tools.
• Design and implement backend APIs, business logic, database schemas, and asynchronous processing systems.
• Integrate Solidity smart contracts with frontend applications and backend services.
• Implement wallet connectivity, transaction signing, blockchain event listeners, and on-chain data indexing.
• Work with EVM-compatible networks, token standards, and DeFi protocols.
• Collaborate on smart contract development, testing, deployment, and integration when required.
• Optimize application performance, transaction workflows, API response times, and database queries.
• Implement secure authentication, authorization, and Web3-specific security practices.
• Participate in architecture discussions, code reviews, debugging, and production deployments.
• Ensure code quality, maintainability, scalability, and reliability across the entire technology stack.

Kenntnisse

JavaScript/TypeScript

React

Next.js

Node.js

Express

REST APIs

Relational databases

Solidity integration

Web3 / blockchain

CI/CD

Testing

Git

Security best practices

Tools

Foundry

Hardhat

Ethers.js

viem

wagmi

Jobbeschreibung

Etherwave Labs is seeking a seasoned Full-Stack Developer with extensive blockchain experience to build production-grade Web3 infrastructure and applications. You will work across the stack from modern frontend interfaces to backend services and on-chain integrations.

The role emphasizes hands-on development with React, Next.js, TypeScript, Node.js, and Solidity, plus integration with EVM networks, wallet connectivity, and secure, scalable architectures in a collaborative environment.