17+ Years' experience with Java, J2EE, Big data, social media technologies, Microservices (Armadillo & F1), Big data-TBDP (Hive, Impala, HDFS, Scala, Spark, Apache Solr, Map reduce, Hadoop), AWS Cloud (Redshift, Athena, Lamda, EC2 -VM, Databricks, Elastic search, Talend, Glue, Python, Lambda), Spring, Spring boot, Apache Kafka, GraphQL, Facebook Analytics, Oracle on Ramp. Java 5, 6 & 8, J2EE, Struts, RMI, JDBC, CSS, XML Servlets, PL/SQL,RMI, Struts, Ajax, JDBC, CSS, XML, Single Sign On (using CAS), LDAP, Java mail API, Ibatis, MyBatis, Crawler using Pearl scripts, Machine Learning, NLP, Angular 16