Case Study: Mambu achieves rapid global scaling and 99.99% availability with Amazon Web Services

Mambu - Customer Case Study

Mambu is a cloud-native banking platform that helps banks, microfinance institutions, and fintechs serve the “missing middle” with a single, adaptable code base. Facing a market dominated by legacy vendors, Mambu needed to deliver rapid, customizable deployments with 99.99% availability and strong regulatory and security compliance so customers could adopt core banking functionality quickly instead of waiting months for on‑site installs.

Mambu built its stack on AWS—using multiple Regions and Availability Zones, Elastic Beanstalk across 200+ EC2 instances, Amazon RDS and ElastiCache—and leverages AWS Business Support and APN resources for architecture and compliance guidance. The result: rapid global growth (150 customers and 2.2 million accounts), simplified security and multi‑tenant/private hosting options for different clients, a UK bank migration that cut costs by about 60%, automated upgrades and 30‑minute regional patching with no downtime, and a platform ready to scale further.

Mambu

Frederik Pfisterer

Chief Operating Officer & Cofounder