Designed and developed company API using Java SpringBoot and Kotlin Multiplatform, enabling seamless integration across platforms.Served as principal lead developer for the Android platform, introducing innovative features such as indoor tour capabilities using Bluetooth iBeacons.Maintained and improved the company's iOS and web applications, ensuring optimal performance and user experience.Proficient in full-stack web development, demonstrated by rebuilding the company website from scratch using PHP, HTML, CSS, and JavaScript, resulting in increased visibility of new tours.Significantly enhanced website SEO using SEMRush and other tools, driving organic traffic and engagement.Experienced in data management, including parsing data sets with PHP scripts, maintaining SQL databases, and ensuring data integrity.Adept in Agile development methodologies, facilitating efficient and collaborative project execution.