This white paper explains how banks can modernize enterprise architecture around a flexible, data-centric foundation that supports continuous innovation. It describes MongoDB as a unified platform spanning transactions, stream processing, time series, search, analytics, and AI workloads while reducing reliance on fragmented technologies. The paper maps banking architecture across systems of record, insight, engagement, and emerging systems of action, emphasizing resilience, scalability, governance, and support for structured and unstructured data. MongoDB’s document model, distributed architecture, vector search, and real-time capabilities are presented as a way to lower complexity and cost while helping banks adapt to evolving customer, regulatory, and AI requirements.

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