Job TitleOver 12 years of experience in building, re-architecting and refactoring of the Java codebase for critical applications. Python experience is a plus.Over 5 years of working experience in Kafka (Consumption, publishing and streaming) architecture and integrations.Over 3 years of working experience in Spark with Scala and processing of streamed data from Kafka.Significant knowledge and working experience in Java concurrency modules and multi-threading implementations of critical applications in production.Experience in migration of Java code from JDK 7 to 8 and/or 11 or later versionsVery good understanding of RDBMS (Oracle) and data warehouse (Vertica) as programmer to optimize the performance of complex queries.Significant experience in writing Junit for Java code coverageSignificant experience in containers and micro services life cycleSignificant experience in Spring modules, maven build scripts etc.Knowledge of Drools based rules engine.Some experience in UI development and building contract for RESTful API in backend.