Insurance case study

August 20, 2025

Leading U.S. Insurer Achieves Zero-Defect Modernization Across 400+ Apps

Key Business Outcomes

01

400+ Legacy Applications Modernized

02

Zero Priority 1 or Priority 2 Defects in Production

03

100% UAT Sign-Off Before Deployment

About the Client 

The client is a leading U.S.-based insurance company specializing in coverage for religious organizations, nonprofits, schools, camps, and human service institutions. The company is known for its strong focus on risk management, customer service, and long-standing industry expertise. The client has consistently invested in technology to strengthen operational resilience and better serve its wide-ranging clientele.

The Challenges

Our client aimed to modernize its legacy application portfolio, most of which was built on outdated versions of Java and Spring Boot frameworks. These outdated frameworks introduced serious risks, including:

  • High maintenance overheads due to outdated technology stacks. Security vulnerabilities from unsupported libraries and frameworks
  • Inconsistent performance across business functions systems
  • Lack of standardized testing processes resulting in quality gaps

The Solutions

To address these risks and create a future-ready IT ecosystem, Tx designed a modernization strategy focused on stability, security, and scalability, delivering the following solutions:

  • Introduced no-code API automation testing, extensive unit testing, and regression automation for faster validation.
  • Embedded secure-by-design principles, mitigating risks associated with legacy frameworks.
  • Conducted User Acceptance Testing (UAT) for every upgraded application and deployed only after client sign-off.
  • Aligned modernization efforts with security best practices, reducing exposure to known vulnerabilities.

Results Achieved

  • Application Modernization: Modernized 400+ applications, resulting in enhanced scalability and system stability.
  • Defect-Free Production: Achieved zero Priority 1 and 2 defects in production through robust QA automation.
  • Secure-by-Design Implementation: Enabled secure-by-design modernization, mitigating major security risks.
  • Stakeholder Confidence: Ensured 100% UAT sign-off, increasing stakeholder confidence and business alignment.
  • Optimized System Performance: Strengthened performance and maintainability of core systems, reducing long-term tech debt.

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