From Millions of Customers to Petabytes of Data: A Journey to Microservices
summary
Intuit modernizes a monolith into microservices for petabyte data and millions of customers using a codified Duality five stages approach: GraphQL fronting, an SDK proxy and sync for safe calls, an ID service (Snowflake-like), outbox pattern, CNCF serveless workflow for Sagas, and AWS managed Kafka plus Aurora Postgres, Dynamo, Neptune and Elasticsearch. Results: 30% smaller DB, 40% faster reporting, 60% faster page loads, 10–50x speed‑to‑market, payments up 29%, automation +250%, with 60-day CC sprints and 15 services in production.
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chapters (10)
- 0:00Introduction and speaker intro
- 1:04Who Intuit is and growth
- 3:52Scale and AI-driven platform
- 5:58Challenges in modernization
- 7:43Modernization principles
- 9:47Loosely coupled event-driven system
- 13:41Duality in modernization
- 16:13Five stages of duality
- 21:31Benefits of modernization
- 22:54Lessons and future plans
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