Build and review end-to-end product features while leading backend and platform architecture. Own data models, PostgreSQL schemas, migrations, third-party integrations, CI/CD, infrastructure, monitoring, security, privacy, and outage response. Collaborate across product, design, marketing, and data teams, and help develop AI-assisted coding workflows. This individual contributor role requires strong backend depth, startup production ownership, technical communication, and a willingness to solve varied problems across web and mobile surfaces.