Client Feedback | API Integration & Backend ArchitecturePortfolio projectCrystal ZhuMessageView completed workClient Feedback | API Integration & Backend Architecture0 likes · 3 views · Nov 2, 2026Client Feedback | API Integration & Backend ArchitectureTagsBackend EngineerSoftware ArchitectSoftware ConsultantJavaPostgreSQLSpring BootBackend EngineerSoftware ArchitectSoftware ConsultantJavaPostgreSQLSpring Boot