To excel as an MS Access Database Developer on a contract basis, you should possess in-depth knowledge of relational database design, proficiency in MS Access/VBA programming, and experience in data migration and integration. Familiarity with tools such as MS Access, SQL Server, ODBC connections, and certifications like Microsoft Office Specialist can be beneficial. Strong problem-solving abilities, effective communication, and adaptability to changing project requirements are valuable soft skills for this position. These skills ensure efficient database solutions, seamless collaboration with stakeholders, and timely project delivery in dynamic business settings.