Latest Backend Engineering jobs at Ether.Fi

Lead smart contract development on Ethereum/L2s for a top DeFi protocol. Design, deploy, audit, and optimize secure Solidity contracts while driving best practices and infrastructure.

Builds and owns scalable backend systems for card transaction processing, low-latency APIs, and microservices in a crypto neobank. Requires 5+ years experience shipping high-impact products.

Build and operate Solidity smart contracts and backend systems supporting secure on-chain operations for a crypto-native financial platform. The role requires strong software engineering fundamentals, security-minded development, and at least four years of industry experience.

Owns core backend architecture, card transaction processing, and high-availability systems for a crypto neobank. Requires 5+ years experience building scalable, low-latency services for real users.