Build a Hot-Cold Tiered Storage System Premium
Design an automated data tiering system that keeps frequently accessed data on fast NVMe SSDs, migrates aging data to object storage, and retrieves cold data transparently on access without application changes.
Build an Infrastructure Cost Attribution System Premium
Design a cloud cost attribution system that tags every compute, storage, and network resource to the team and service that owns it, updates cost breakdowns in near real-time, and surfaces anomalous spend spikes.
Build an LLM Prompt Caching Layer Premium
Design a semantic caching layer for LLM API calls that identifies semantically equivalent prompts, serves cached responses for near-duplicate queries, and reduces inference costs without degrading response quality.
Build Pinterest's Image Deduplication System Premium
Design an image deduplication system that identifies near-duplicate and visually similar images across 300 billion pins using perceptual hashing, deduplicates at ingest time, and reclaims storage for matched duplicates.