Developed and delivered features on a logistics platform for a US-based tracking company; migrated UI to a new component library and implemented a data-pipeline processing system; reduced processing notifications time by approximately 85% by optimizing the notification system; built and extended an internal component library in React.js used across multiple projects; integrated backend and frontend with Java and Spring Boot, implemented authentication, authorization, and business logic on the backend, and ensured consistent data processing; mentored interns and new team members and introduced best practices that improved team velocity.