Responsibilities include but are not limited to: Be responsible as a performer or an oversight Clinical Database Developer across multiple projects for the following, but are not limited to, data management activities and deliverables in various phases of the clinical trial lifecycle (e.g., pre-study start, study start up, study conduct, and study closure): Participation in the review of SOPs, work instructions, policies, manuals/user guides, and documents related to data collection and management activities and testing and validation documentation of data management systems. Creation and maintenance of protocol-specific data management database testing and validation documentation: Testing and Validation Plan describing the testing, validation, and documentation processes and procedures in the development testing phase, internal data management team testing phase, and User Acceptance Testing (UAT) phase.