What was difficult about this task and what was your role in it?

The complexity of the task lay in the need to integrate several heterogeneous systems with different data structures and business logic. It was necessary not only to understand the technical details but also to establish communication between teams to coordinate requirements and ensure correct data exchange.

My role involved analyzing requirements, modeling business processes, and preparing technical specifications for developers. I also participated in testing the integration and resolving arising issues, ensuring that the final solution met the client's expectations.