Developed a secure JavaFX-based file management application with user authentication, file upload, encryption, compression, chunking, and retrieval features. Tech: Java, JavaFX, MySQL, SQLite, MQTT, Zip4j Highlights: • Built user authentication and session management. • Implemented encrypted file upload and retrieval workflows. • Used MQTT for file chunk transmission. • Designed database models for users, files, and metadata. • Integrated compression and encryption using Zip4j.