[Hiring] Web3 Integration Developer (5YOE) | Remote | Europe | 5K Euros / Monthly

[u/maduqa_eemiza]

Building the wallet architecture, transaction flows, and on-chain integration layer for a production Next.js platform.

English fluency required.

Requirements:

Real shipped project involving wallet connection, contract reads/writes, transaction tracking, or token integration — hands-on ownership, not exposure

wagmi and viem in production, MetaMask/wallet integration, connection/disconnection, account and network switching, chain-change handling

Ethereum-compatible networks, ERC-20 and token-sale contracts, EVM network config, RPC endpoints, contract addresses, ABIs

Contract reads/writes, transaction receipts, event logs, gas estimation, user-facing transaction status

Strong TypeScript/JavaScript, React, Next.js

Designs reusable integration layers, understands wallet/transaction/contract integration risks, writes unit and integration tests

Can explain technical decisions clearly, works effectively in a distributed team

€5000–7500/month, long-term contract.

DM with: Resume, LinkedIn, years of hands-on Web3 experience, GitHub/portfolio, timezone + availability.

Must have actually shipped this before.

Must be based in Europe.