Backend Engineer

Backend Engineer Location: San Francisco, CA (Onsite, 5–6 days/week) Role Overview Backend Engineer owning core API, data infrastructure, and production systems powering an AI memory platform. This is a high-ownership, founding-level backend role working directly with founders to build scalable, high-performance systems handling millions of interactions. Responsibilities Design and ship production-grade REST APIs including versioning, authentication, rate limiting, and documentation Build backe…