Staff Back-End Engineer

What you'll do Personalization (primary focus) Set technical direction for the personalization service (NestJS/TypeScript, MongoDB, Apollo GraphQL federation), including the real-time trait ingestion and activation-hub re-architecture Design and review the systems that power Switchboard, our internal targeting and config layer built on top of Statsig, for personalized slot delivery Own the hard technical calls on trait ingestion and activation logic that feeds real-time personalization decision…