Rajnish Kumar has over 7 years of experience in the IT industry as a Team Lead and Senior Software Engineer. He has extensive experience with ETL tools like DataStage and databases like Teradata, Oracle, and DB2. Some of his project experiences include developing ETL processes and data warehouses for clients in telecom and banking industries. He has technical skills in areas like data warehousing, ETL, SQL, shell scripting, and UNIX.