Developed a comprehensive seed data expansion for the torontojs/communityhub repository, focusing on enhancing the realism and utility of test and demo environments. Leveraging SQL and database seeding techniques, the work involved enriching the profiles table with detailed identifiers, emails, names, descriptions, and timestamps, while also extending the roles table to include a diverse set of job titles linked to teams and profiles. This approach enabled more representative quality assurance scenarios and streamlined onboarding by providing reproducible, realistic data sets. The changes improved demo fidelity and facilitated data-driven testing, demonstrating strengths in SQL scripting and data modeling for application development.