Legacy Modernization & DevSecOps for Leading Public Sector Bank

Legacy Modernization & DevSecOps for Leading Public Sector Bank

Case Study

Legacy Modernization & DevSecOps for Leading Public Sector Bank

Client Overview

The customer is one of the largest and most trusted public sector banks in India, with a rich legacy of serving diverse customer segments across urban and rural geographies offering a full range of retail, corporate, and government banking services.
The bank recognized the need to modernize its applications, infrastructure and digital service offerings to keep pace with evolving customer expectations and fintech innovations.

Challenges Faced

– Legacy monolithic applications restricted innovation and adaptability.
– Transition to microservices and cloud-native architecture posed disruption risks and cost concerns.
– Need to build a scalable digital banking platform to support hyper-growth.
– Delivering seamless, secure digital banking services to enhance customer experience.
– Reducing time-to-market for launching new services.
– Shift to agile methodologies to improve DevOps efficiency.
– Enhancing change management processes for greater business agility.

Solutions Provided

– Created a comprehensive transformation roadmap including automated discovery and application analysis.
– Used OmniDeq (AI-powered tool) for legacy application modernization into containerized, cloud-native apps.
– Deployed a scalable, multi-environment container orchestration platform using VMware Tanzu.
– Integrated DevSecOps pipelines and agile methodologies to accelerate releases and improve change management.
– Deployed an API Gateway for secure and efficient communication between services.

Outcomes

– Improved scalability, reliability, and development velocity through modernized infrastructure.
– Clear team responsibilities established through container orchestration components.
– Faster, predictable product rollouts due to parallel development.
– Modernized applications aligned with business growth and evolving market demands.
– Improved collaboration with ecosystem partners using cloud-native, API-driven systems.
– Future-ready infrastructure supporting hybrid and multi-cloud environments.

Conclusion: Empowering IT Excellence

Sunfire’s modernization approach helped the public sector bank rapidly innovate, scale securely, and create a foundation for future digital growth using agile, DevSecOps, and cloud-native principles.

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