Senior Smart Contracts Developer Needed (Ethereum, Solidity, Next.js)

We are building a trust‑first freelance marketplace with escrow‑backed agreements and clear delivery/payment states. We need a strong Solidity + Next.js engineer to help harden our early product.

You’ll work on:
- Improving escrow contract logic and state transitions
- Local/testnet deployment flows (Foundry)
- Next.js dashboards for clients & freelancers
- Wallet connection + transaction UX
- Writing high‑value tests around money movement
- Finding and fixing the highest‑risk issues

Tech we use:
Solidity, Foundry, TypeScript, Next.js, Tailwind, viem/wagmi.

Assessment:
Paid test (150 GBP), ~6–10 hours, focused on escrow correctness + local E2E flow.

If interested, send:
- Relevant experience
- GitHub / portfolio
- Smart‑contract or payment‑related work
- Why this problem interests you