TLDR Tech / Data
Re-architecting Flipkart's Rate Card Engine: The Journey to Building a High-Scale, Generic Rate Card Platform
Flipkart replaced its legacy Agreement Master (AGM) with the new Rate Card Platform (RCP), engineered to deliver thousands of QPS at P99 latency below 100ms for complex settlement-based pricing across all marketplaces. RCP enables hierarchical, priority-based rule evaluation, denormalized data modeling, event-driven fan-out architecture, and leverages Aerospike for scalable, high-performance reads. Key outcomes include a 10x scale improvement, deterministic fee calculations, and robust flexibility to support evolving business cases.
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