Teams at ether.fi

Build and operate DeFi yield vaults, including Solidity smart contracts, backend services, NAV and redemption systems, automated on-chain operations, monitoring, and risk tooling. Review new protocols, assess security and yield strategies, manage rebalancing transactions, collaborate with auditors, and help ensure vaults operate safely around the clock.

Build and improve credit card transaction systems and fraud controls. Investigate declined authorizations, failed transactions, stuck holds, and fraudulent activity. Own Sardine rules, queues, scoring, monitoring, alerting, and automated mitigation. Query transaction data, investigate fraud cases, identify root causes, and create rules to prevent recurrence. Develop internal tools, dashboards, and scripts while partnering with Product, CX, Compliance, and external card and fraud vendors.

Owns ether.fi’s global commercial and partnership strategy across Cash payments, card networks, crypto ecosystems, chains, institutional relationships, and market expansion. Responsibilities include sourcing and negotiating complex agreements, structuring pricing and incentive deals, evaluating build-versus-partner decisions, managing counterparties, enabling chain deployments, and overseeing ongoing partner performance. The role requires strong fintech, payments, crypto, DeFi, commercial modeling, and independent deal execution experience.