Full-Stack Ethereum DeFi dApp
Budget: €250 – €750 EUR
I’m building a DeFi application on Ethereum and need one partner who can carry the entire stack. The work starts at the protocol layer—writing secure, optimised Solidity contracts—and continues right through to a polished web interface that interacts seamlessly with those contracts.
What you’ll tackle
• Smart contract development on Ethereum, written in Solidity and tested with Hardhat or Truffle.
• Web3 integration using Ethers.js or Web3.js so users can interact via MetaMask or any WalletConnect-compatible wallet.
• Front- and back-end development: a modern React (or Next.js) interface backed by a lightweight Node/Express API, including all the logic necessary to call contract methods, fetch on-chain data, and display real-time balances and transaction states.
Acceptance criteria
1. Contracts compile, pass unit tests, and deploy to an Ethereum testnet without gas-wasting warnings.
2. Front-end connects to the deployed contracts, performs all intended reads/writes, and shows clear success/failure states.
3. Complete, human-readable documentation covering contract functions, environment setup, and deployment scripts.
I’ll provide the high-level functional spec and UI wireframes; you bring the clean code, best-practice security patterns, and Web3 expertise to make it production-ready.
What you’ll tackle
• Smart contract development on Ethereum, written in Solidity and tested with Hardhat or Truffle.
• Web3 integration using Ethers.js or Web3.js so users can interact via MetaMask or any WalletConnect-compatible wallet.
• Front- and back-end development: a modern React (or Next.js) interface backed by a lightweight Node/Express API, including all the logic necessary to call contract methods, fetch on-chain data, and display real-time balances and transaction states.
Acceptance criteria
1. Contracts compile, pass unit tests, and deploy to an Ethereum testnet without gas-wasting warnings.
2. Front-end connects to the deployed contracts, performs all intended reads/writes, and shows clear success/failure states.
3. Complete, human-readable documentation covering contract functions, environment setup, and deployment scripts.
I’ll provide the high-level functional spec and UI wireframes; you bring the clean code, best-practice security patterns, and Web3 expertise to make it production-ready.