The challenge
A major insurer serving more than 500,000 customers was held back by a tangle of ageing point-to-point integrations. Releases were slow and risky, outages were hard to trace, and every new product feature meant touching brittle legacy connections that no one fully understood.
Our approach
- Mapped the existing integration estate end to end, identifying the 60+ connection points and the data flowing through each.
- Designed a modern, service-based integration layer to replace the point-to-point spaghetti, with clear contracts between systems.
- Migrated integrations incrementally behind the scenes, so customer-facing services kept running throughout with no big-bang cutover.
- Built cloud-native services on AWS with proper monitoring, so failures became visible and traceable instead of mysterious.
The results
Release and deployment times cut by around 60%.
System reliability lifted to 99.9% uptime.
New features shipped faster, with far less risk of breaking existing services.
A maintainable foundation the in-house team could confidently build on.
Technologies
- AWS
- MuleSoft
- Microservices
- REST APIs
- Event-driven architecture
Client kept confidential. Delivered in a senior architecture / engineering role.
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