What are some common challenges Informatica developers face when integrating data from multiple sources?

Informatica Developers often encounter challenges such as handling data inconsistency, managing differing data formats, and addressing performance bottlenecks when integrating data from various sources. They must design robust ETL processes to cleanse and transform data while ensuring data quality and integrity. Collaboration with database administrators, business analysts, and other developers is crucial to understand source systems and meet project requirements effectively.