Contributed to the Simona0212/InnovativeVolunteersHub repository by delivering two foundational backend features focused on enhancing user engagement and platform scalability. Developed a bulk image asset library expansion, adding diverse media across nature, culture, business, and STEM categories to enrich UI content. Built a user profile and item management system, establishing core data models and workflows for creating, storing, and retrieving user entities. Employed Java and full stack development skills to implement scalable entity management and support future feature growth. The work emphasized robust backend architecture, laying the groundwork for faster onboarding, content curation, and extensible data modeling without reported high-severity bugs.