Senior Backend Engineer - Data Core (Remote Europe)

Lever, Inc. is seeking a Senior Backend Engineer – Data Core for a partner company based in Spain. You will design and run data infrastructure powering a large-scale creator data platform, handling 400M creator profiles across Instagram, TikTok, and YouTube. This remote-first role emphasizes autonomy, end‑to‑end ownership, and cost-efficient, reliable systems. You will work with a modern stack on AWS, TypeScript and Node.js, focusing on scalable data collection, observability, and collaboration…