Walid is a Lead Apple Developer at LVMH, currently driving the iOS engineering efforts at Sephora. Passionate about software architecture, he focuses on building modular, scalable, and resilient systems for large-scale consumer applications. With more than five years shaping Sephora's mobile ecosystem, he has contributed to major architectural transformations and long-term reliability improvements. Prior to joining Sephora, Walid worked on mission-critical transportation applications at RATP, strengthening his expertise in robust, high-availability mobile systems. Before moving fully into industry, he spent nearly thirteen years teaching computer science at the University of Carthage in Tunisia, where he developed a strong foundation in sharing knowledge and mentoring the next generation of engineers.
