Legacy Modernization — Monolith to Microservices
Client
A leading property-and-casualty insurance provider is serving millions of personal and commercial customers through a broker network.
Challenge
- A monolithic Java architecture made even small changes slow and risky, requiring full redeployment.
- Undocumented dependencies and tribal knowledge created hidden single points of failure.
- Individual components could not scale independently to absorb peak quoting and claims loads.
- Rising maintenance costs and difficult developer onboarding slowed delivery of new features.
Solution: Sanciti AI — : Sanciti AI — Legacy Application Modernization
Reverse-engineered the codebase and decomposed the monolith into a microservices architecture, with defined APIs, migrated business logic, and auto-generated technical documentation.
Results
- Reduced technical debt
- Enhanced maintainability with clear service boundaries and well-defined APIs
- Auto-generated functional and technical documentation supporting knowledge transfer
- 95%+ code coverage achieved
- 50% lower development costs
Impact
- $5M estimated annual savings
- Streamlined integrations between members and care managers, improving the member experience.