In 2006, when I first started working with Java Web Services, I was introduced to a fascinating process that would spark my lifelong interest in integration techniques. Back then, my work centered around a bottom-up approach using Apache Axis 2, where I converted WSDL (Web Services Description Language) files into POJOs (Plain Old Java Objects). This process allowed me to leverage these objects within my integration code, where I performed crucial tasks like data messaging and conditioning. A pivotal project in my journey was during my work with Pfizer, where I integrated Siebel CRM with Siperian (now known as Informatica…