Contributed to the development and support of a large-scale travel booking system, focusing on back-end Java architecture. Designed and implemented new features to enhance booking functionalities, including dynamic pricing, payment processing improvements, and customer management tools. Provided ongoing production support, resolving critical issues to ensure uninterrupted service for end-users. Collaborated with cross-functional teams to deliver high-quality releases, adhering to agile methodologies and best practices for scalable, maintainable code.