.NET Framework to Cloud-Native: 50% Lower Cost and 90%+ Test Coverage for a Regional Insurer
Industry
Insurance | Legacy Stack: .NET Framework (Windows Server) | Target: .NET 6+ Cloud-Native
Sanciti AI Agents: RGEN, CodeGen, TestAI | Orchestrated by: LEGMOD
50% lower modernization cost | 25% faster time-to-market | 90%+ test coverage | 35% less peer review time
Client
A regional insurance provider operating core policy administration, claims processing, and billing systems on legacy .NET Framework applications tightly coupled to on-premises Windows Server infrastructure.
Challenge
- Legacy .NET Framework applications locked to on-premises Windows Server, blocking cloud migration and scaling. Every infrastructure upgrade required coordinated downtime across policy, claims, and billing because all three shared a single deployment unit.
- Tightly coupled architecture where policy administration, claims processing, and billing modules could not be deployed or scaled independently. A change in billing logic required a full-system regression test.
- No automated testing. Every release was a manual validation exercise that consumed weeks of QA time and still missed edge cases, particularly in cross-module interactions between policy and claims.
- Regulatory requirements in insurance demanding documented traceability for every code change affecting policyholder data. Manual audit preparation consumed significant compliance team time before every regulatory review.
Solution: Orchestrated by Sanciti AI LEGMOD
Sanciti AI’s LEGMOD orchestrated the modernization from legacy .NET Framework to .NET 6+ cloud-native architecture, coordinating RGEN, CodeGen, and TestAI with human governance throughout.
RGEN: Codebase Comprehension and Dependency Mapping
RGEN reverse-engineered the .NET codebase, mapping dependencies between policy, claims, and billing modules and generating structured documentation. It identified the coupling points that made independent deployment impossible and produced the decomposition map that guided CodeGen’s service boundaries.
CodeGen: .NET 6+ Cloud-Native Services
CodeGen generated modernized .NET 6+ services with clean separation between policy, claims, and billing domains, REST APIs, and cloud-ready deployment artifacts. All generated code was OWASP/NIST quality-scored, and SAST/SCA scans ran before human review, cutting peer review time by 35%.
TestAI: Automated Validation at Scale
TestAI generated functional, regression, and cross-module test suites achieving 90%+ coverage at first-time delivery. Tests specifically targeted the policy-claims interactions where manual testing had historically missed edge cases. LEGMOD governed modernization waves with clean domain boundaries. All agent interactions passed through Sanciti AI’s guardrails. Regulatory traceability was built into the pipeline, generating audit-ready documentation as a byproduct of the modernization.
Results
- 50% lower modernization cost versus the manual re-platform estimate that assumed separate .NET and cloud infrastructure specialist teams.
- 25% faster time-to-market for new features post-modernization. Policy, claims, and billing now deploy independently on their own release cadence.
- 90%+ automated test coverage at first-time delivery, replacing manual validation that had missed cross-module edge cases.
- 35% less peer review time through CodeGen’s pre-scored output, freeing senior developers from line-by-line review in a compliance-heavy environment.
Impact
Three independently deployable services replace the monolithic deployment. Policy, claims, and billing iterate on their own timelines. Cloud migration is unblocked.
Regulatory traceability is continuous and automatic. Audit preparation that consumed weeks of compliance team time is now available on demand from the pipeline.
Sanciti AI agents: RGEN, CodeGen, TestAI. Orchestrated by LEGMOD.
