production readiness , secure coding , PostgreSQL, Spring Boot, Containers, Microservices, Openshift, Oracle, Testing, AWS, Team Mentoring, Java, Hibernate, Dynamodb, Redis, Performance Engineering, Distributed Systems, Restful Apis, Jpa, Spring Framework, Kubernetes, Technical debt management, Code reviews, Agile delivery, Technical estimation, Observability, DevOps practices, Cloud-native development, CI CD automation