Back to Jobs

Blockchain Developer (Solidity + Web3 + MERN Stack)

Remote, USA Full-time Posted 2026-06-25

We are looking for an experienced Blockchain Developer to join our development team and work on decentralized applications (DApps) and smart contract-based systems. You will be responsible for building and integrating blockchain-based features into modern web applications using Solidity, Web3 technologies, and MERN stack (React, Node.js, Express, MongoDB). Responsibilities - Develop and deploy smart contracts using Solidity - Build and maintain Web3 integrations (ethers.js / wagmi / web3.js) - Implement wallet connection (MetaMask and similar wallets) - Develop responsive frontend interfaces using React + TailwindCSS - Work with backend APIs using Node.js / Express - Integrate blockchain data with backend systems when needed - Ensure security, efficiency, and scalability of smart contracts - Collaborate with UI/UX and backend developers Required Skills - Strong experience in Solidity smart contract development - Experience with Web3 libraries (ethers.js, wagmi, or web3.js) - Solid understanding of Ethereum / EVM ecosystem - Experience with React.js and TailwindCSS - Knowledge of Node.js, Express, MongoDB (MERN stack) - Experience with wallet integrations (MetaMask, WalletConnect) - Understanding of smart contract security best practices Nice to Have - Experience with Hardhat or Foundry - Knowledge of DeFi, NFTs, or staking systems - Experience deploying to testnets (Sepolia, Polygon, etc.) - Familiarity with TypeScript - Experience with CI/CD for smart contracts Apply tot his job Apply To this Job Apply To This Job

Similar Jobs

Research Scientist (Remote)

Remote, USA Full-time

Behavioral Research Scientist Remote / Telecommute Jobs

Remote, USA Full-time

Quantum Research Scientist - Remote - 790

Remote, USA Full-time

Remote-Ready Field Bioinformatics Scientist - West US

Remote, USA Full-time

Bioinformatics Scientist (Remote)

Remote, USA Full-time

Bioinformatics Scientist - Pipeline Development

Remote, USA Full-time

[Remote] Junior Consulting Epidemiologist

Remote, USA Full-time

Hepatitis Epidemiologist

Remote, USA Full-time

Epidemiologist

Remote, USA Full-time

Associate Director, Real-World Evidence & Epidemiology

Remote, USA Full-time

Remote Customer Service Professional - Phone, Chat, Email

Remote, USA Full-time

Experienced Customer Service Representative – Remote Opportunity with arenaflex

Remote, USA Full-time

Video Editor - Mexico

Remote, USA Full-time

Real Estate Associate Agent (1099) - Bremerton

Remote, USA Full-time

Experienced Customer Service Representative – Drive Sales Growth and Deliver Exceptional Customer Experiences at arenaflex

Remote, USA Full-time

[Remote] Consultant Relations

Remote, USA Full-time

Experienced Customer Support Agent – Delivering Exceptional Experiences for arenaflex

Remote, USA Full-time

Experienced Technical Support / Customer Service Representative – Remote Work Opportunity with arenaflex

Remote, USA Full-time

Experienced Work From Home Chat Agent – Customer Service Representative for arenaflex

Remote, USA Full-time

Experienced Customer Service Representative – Retail Vehicle Sales Support (Remote) at arenaflex

Remote, USA Full-time