Strong SQL knowledge query performance tuning etc. as well as understanding of database structure. Knowledge of data modeling of at least one ETL tool (SSIS Talend abinitio etc).Strong analytical skill and attention to detail passionate about complete data structure and problem to pick up new data tools ad concepts and experience in data warehouse environments with knowledge of data architecture patterns prepares and/or direct the creation of system test plans test criteria and test system design and prepares work estimates for developments or changes for multiple work or update the system documents (BRD functional documents) ER-diagram have experience to handle and support mid-scale team. good communication skill to handle team and understand the resource issue & fix it faster to improve the team productivity.