← all jobs

Blockchain Developer (Solidity + Web3 + MERN Stack)

Work from home Full-time role Hiring

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 To this Job

More open positions

Research Scientist, Clinical Outcome Assessment

Work from home Full-time role

Research Scientist (Remote)

Work from home Full-time role

Research Scientist (Remote)

Work from home Full-time role

Research Scientist, LLM Evaluation – Post-Training

Work from home Full-time role

Behavioral Research Scientist Remote / Telecommute Jobs

Work from home Full-time role

Housing Implementation Growth Lead

Work from home Full-time role

Experienced Customer Sales Representative – Remote Opportunity to Thrive with careerzynith

Work from home Full-time role

Temporary Project Associate - Cornell University's School of Civil and Environmental Engineering (Remote)

Work from home Full-time role

Remote Community Social Worker

Work from home Full-time role

Remote Data Entry Specialist for UPS

Work from home Full-time role

Experienced Customer Service Representative – Remote Support for careerzynith

Work from home Full-time role

Temporary Intake Coordinator / Virtual Assistant for Therapy Group Practice (Remote)

Work from home Full-time role

Specialist - Insurance - P&C Claims 4A

Work from home Full-time role

[Remote] Product Designer

Work from home Full-time role

Work from Home Freight Dispatch Course at Truck Dr

Work from home Full-time role

Medical Writer - Senior Regulatory Writing Specialist (Clinical)

Work from home Full-time role

IT Support & Operations Engineer

Work from home Full-time role

Junior Angular Developer 1

Work from home Full-time role

Growth Marketing Specialist

Work from home Full-time role

[Remote] Senior Manager, Operations

Work from home Full-time role

Associate Archivist

Work from home Full-time role