Backend Engineer
Core
Build onchain infrastructure for permissionless cross-margining and backend infrastructure for the Gondor web app to serve institutions and advanced traders.
Role type
Senior Backend Engineer (DeFi/Protocol)
Builds
Onchain cross-margining protocol and backend services for a prediction market margin account
Domain
Decentralized Finance (DeFi), Prediction Markets, Financial Infrastructure
Required skills
Node.js, SQL, REST, GraphQL, Solidity, Hardhat, Foundry, Viem/ethers.js, Privy, Docker, CI/CD, AWS/GCP, Vercel
Preferred skills
Building liquidation engines, oracles, and margin trading infrastructure, Deep understanding of DeFi lending protocols, Strong familiarity with smart contract security and attack vector analysis