• Engineered the migration of Wells Fargo applications from a monolithic to microservices architecture, increasing efficiency rate by 20% and improving scalability and maintainability, which reduced operational costs by 15%.• Implemented Kafka for event-driven architecture, upgraded Spring Boot, and transitioned from Hibernate to Spring Data JPA for enhanced performance and compatibility, increasing data processing speed by 25%• Designed and optimized Java-based microservices using Spring Boot, enhancing system scalability by 40% and reducing server response time by 22%, which improved user satisfaction by 30%.• Collaborated with cross-functional teams to ensure seamless migration and minimal downtime during the tran- sition process, achieving a 80% system uptime during migration.• Created a cutting-edge and scalable web applications using Angular and Spring Boot, optimizing performance and reducing load times by 40%, while integrating MySQL and MongoDB databases to handle daily transactions.• Developed and maintained healthcare applications for patient data management, appointment scheduling, and EHR systems at United Health Group, improving data accuracy by 25% and user satisfaction by 20%.• Conducted thorough testing and achieved 95% reduction in critical bugs and ensuring compliance with HIPAA.