Designs clinical databases and CRFs for Phase I to III clinical trials. Develops data management plans, data validation plans, and edit check specifications. Manages data entry, query management, and data cleaning across study sites. Conducts medical coding for adverse events and concomitant medications. Performs user acceptance testing for clinical database applications. Manages database lock activities and prepares data for statistical analysis. Ensures compliance with CDASH/CDISC standards for data collection and submission. Coordinates with CRO data management teams for outsourced trial operations. Prepares data management reports and presents to clinical project team. Maintains trial master file components related to data management activities. Ensures data integrity and audit trail compliance throughout the study. Supports regulatory inspections with data management documentation. Stays current with EDC platforms, CDISC updates, and data governance regulations.