Java 17 / Java 21 (Virtual Threads), Reactive Stack (Spring WebFlux / Netty)., RabbitMQ (Partitioning strategies, stream processing), Relational: PostgreSQL, MySQL (Sharding, Query Optimization). NoSQL & Caching: Redis, MongoDB., Swagger / OpenAPI 3.0, CastleMock., Kibana (ELK), Veracode static/dynamic security analysis., Spring Cloud, Spring Security, Apache Kafka, Apache Flink, Apache Storm, Oracle Db, Memcached, Restful Apis, Json, Xml, Apigee, Postman, Splunk, Grafana, Prometheus, Mockito, Jenkins, Docker, Kubernetes, Owasp, Sonarqube, Fortify, Spring Boot 3.x, Hibernate/JPA, eventdriven webhooks, GRPC, Protobuf, Zipkin/Jaeger distributed tracing, JUnit 5, Testcontainers, GitLab CI/CD

Database, Junit, Continuous Development, Spring Boot, Microservices, Docker, Core Java, MySQL, Cicd, Sonarqube, Spring Security, Oracle, AWS, Java, Hibernate, Soap, Sql, Spring, Continuous Integration, Jenkins, Web Services, REST, Mockito, Ejbs, Jpa, Java ORM Tools, SonarLint

Algorithms, Java, Hibernate, Spring Boot, Sql, Spring, Nosql, Gcp, Design Patterns, data structures, Restful Apis, Azure, AWS, microservices architecture

Jpa, AJAX, Spring Boot, Java, Jsp, CSS, J2EE, Hibernate, Servlets, Html5, MySQL, Spring MVC, Oracle, Xml, Spring Core, REST, Web Services, Javascript

Oracle Db, Java, Performance Tuning, Agile Methodologies, Debugging, PostgreSQL, Spring Boot, Encryption, Jenkins, Git, Rest API Development, DevSecOps, JUnit, Docker, MySQL, Authentication, Selenium, Postman, Kubernetes, Profiling, Authorization flows, Security best practices, CI CD pipelines

containerization , Sql, Spring Framework, Quartz, Spring Boot, Amqp, Kafka, Redis, JDBC, Core Java, Spring Security, Oauth2, Jms, MongoDB, Restful Apis, NoSQL databases

Java, Spring Boot, Nodejs, AWS, Microservices, Angular, NoSQL Databases

Design Patterns, Maven, Spring Boot, Spring MVC, Git, Gradle, Core Java, Docker, Spring Security, Spring Data Jpa, Rest Apis, Kubernetes, Event-driven architecture, Monitoring and logging tools, Microservices Architecture, Object-Oriented Design Principles

Java 8, Testing, Soa, Rest Apis, Error Management, Monitoring Mechanisms

Good understanding of relational databases (PostgreSQL preferred), Strong knowledge of Core Java, Spring Boot and JDBC Template, Knowledge of jsp and java script along with JQuery