Backend Engineer, AI-Powered FinTech Platform

Krew is seeking a (Human) Member of Technical Staff specializing in backend engineering in San Francisco. You will design and build backend APIs and services powering our AI agents and operations tooling, and ship features end-to-end from data model to API. You value high-quality code, strong testing, documentation, and collaboration with design, risk/compliance, and ops. You will help improve reliability, observability, and performance across the stack, and contribute to evolving engineering