What are some common challenges senior ETL Informatica developers face when handling large-scale data integration projects?

Senior ETL Informatica Developers often encounter challenges related to managing complex data transformations, optimizing performance for large data volumes, and ensuring data quality across multiple sources. Additionally, keeping up with evolving business requirements and collaborating with data architects, analysts, and business stakeholders can be demanding. Effective communication, strong troubleshooting skills, and a proactive approach to documentation and testing are key to overcoming these challenges and delivering reliable, scalable ETL solutions.