What are some common challenges faced by data conversion programmers during large-scale migration projects?

Data Conversion Programmers often encounter challenges such as handling inconsistencies in legacy data, ensuring data integrity during transformation, and accommodating different data formats and structures. Working closely with business analysts and end users is essential to clarify data mapping rules and resolve ambiguities. Additionally, coordinating with database administrators and IT teams helps address performance issues and minimize downtime during cutover, making cross-team communication a vital part of the role.