Hamza salim said Alhajry

Motivated and detail-oriented Computer Science student with a strong interest in application security, backend development, and modern authentication systems. Experienced in designing and implementing secure systems using OAuth 2.0, JWT encryption, and RBAC (Role-Based Access Control) within Spring Boot applications. Additionally, currently working as a Freelancer at Battery Fleet and Power Equipment SPC (since February 1, 2026 – Present), gaining practical industry experience and contributing to real-world technical and operational tasks.