Case Study

Credit Card Roll Out


Rearc worked directly with the Consumer Banking division of a large Investment Bank to architect and deploy the first public cloud application for the organization, supporting the launch of a credit card product now used by millions. This was a multi-cloud project leveraging a wide range of technologies.



  • Cloud: leveraging AWS, Databricks, Snowflake, and Airflow, Rearc picked the right tool for the right job.
  • Data: Rearc leveraged open source data technologies to curate and manage data and consistency across clouds.
  • DevOps: Rearc created an automated CI/CD system with GitLab that enabled scale and flexibility for future deployments.
  • Security: by integrating security into every workflow and using cloud-native security tooling, Rearc enabled security from day one.


  • Rearc aggregated structured, unstructured, and semi-structured data sets into an AWS-centric data lake connected to a larger firm-wide data platform.
  • This infrastructure facilitates nightly ledger reconciliation and aligns to best practice with regards to financial data management, PCI and PII.
  • The data platform supports multiple credit card products used by millions and enables analysts at Goldman Sachs to better understand and protect their customers.
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