Loosely Coupled - Micro-Frontends And Capital One’s Contact Centers
summary
Capital One rewrites a legacy ASP.NET call-center monolith into a decomposed platform with more than 100+ micro frontends and a similar number of backend services, supporting up to 40–50 teams and achieving 12 deploys per day with no outages in Feb 2022. Architecture uses a shell, reverse proxy, containerized UI+BFF deployments on AWS (ECS/EKS), Node.js with Fastify, React/Vue, Cypress tests, feature flags, CI/CD templates, and a polyrepo approach; bug fixes drop from weeks to hours and developer satisfaction rises markedly.
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chapters (7)
- 0:00Introduction
- 1:32The legacy monolith
- 5:05Architectural shift
- 8:16Operating the platform
- 10:48Implementation details
- 15:51Lessons and best practices
- 23:21Q&A session
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