Technical Skill: Java , Spring , Architecture , Core Java , Oracle , Domain , PostgreSQL , REST , Swift , NoSQL , RDBMS , Jenkins , Distributed Systems , RabbitMQ , JVM , Hazelcast , Redis , DevOps , Encryption , DDD , Apache Kafka , Caching , AWS , Spring Boot , Kotlin , Kubernetes , Gitlab , ISO , JWT , Microservices , SDLC , Core Banking , OAUTH2 , Istio , Spring Security , API Gateway , Clean Architecture , System Architecture , Spring Cloud , Spring Batch , Service Mesh , Event Sourcing , SAGA , Amazon EKS , CI/CD , GitHub Actions , GitOps , ArgoCD , PSD2