Required technical expertise includes Core Java, Microservices, Web Services (SOAP/REST), Kafka, Cassandra, multithreading, Spring, Swagger, Maven, Git, and cloud platforms. Additional experience with SQL, C, C++, Perl, Oracle, DB2, JBoss, WebSphere, WebLogic, Tomcat, Linux, Solaris, Windows, AIX, HPUX, and related technologies is preferred.