Payments Modernization at Scale with MongoDB and Temporal

Financial institutions are facing a pressing need to modernize their systems to stay competitive. This paper explores how the strategic use of MongoDB and Temporal can power and scale the modernization process, transitioning from legacy systems to modern microservices. MongoDB serves as the unified data management platform, while Temporal acts as the durable execution platform. Together, they enable financial organizations to eciently manage the scalability, performance, and complexity inherent in payment processing. Through the case study of a top-tier U.S. bank, we illustrate how this approach enhances scalability, reliability, and developer productivity, setting a new industry standard for resilient and future-proof payment systems.

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