Koripella Mohana Krishna

Sr Java Full Stack Developer @Fifth Third Bank

Cincinnati, OH, US

Led full-stack development of enterprise banking applications using Java, Spring Boot, REST APIs, Angular.• Architected microservices-based solutions with Spring Cloud, API Gateway, and secure OAuth2/JWT authentication• Designed and optimized Oracle, MySQL, and MongoDB databases supporting real-time financial transactionsDeveloped enterprise UI applications using Angular 16+ with advanced RxJS for reactive programming and state management.• Implemented feature flagging mechanisms for controlled rollout of banking features across environments.• Optimized PostgreSQL queries using indexing, partitioning, and execution plan analysis to improve performance by 30%.• Integrated Tableau dashboards using secure iFrame embedding and REST APIs for real-time regulatory reporting.• Implemented end-to-end automation using Playwright for UI regression and performance validation.• Implemented Kafka and RabbitMQ for event-driven, fault-tolerant banking workflows• Automated CI/CD pipelines using Jenkins, Docker, and Kubernetes for reliable deployments• Ensured applications complied with PCI DSS and SOX regulatory standards• Mentored junior developers and conducted code reviews in Agile/Scrum teams