The text emphasizes the importance of ensuring GDPR compliance not only within one's own application but also with third-party data partners to avoid substantial risks. It highlights the necessity of maintaining data privacy throughout an application's lifecycle, involving all data controllers and processors. Key considerations include verifying the physical location of servers, understanding data pseudonymization, having protocols for data breach notifications, and complying with user rights regarding data access and erasure. For identity and access management solutions, questions about password constraints, password hashing methods, and system security are crucial. The text also advises developers to prioritize data privacy over business needs and suggests downloading a Developer’s Guide to the GDPR for more detailed insights into compliance and avoiding fines.