Multi-tenant architecture, database design, futuristic cityscape, skyscraper, metropolitan area, night scene, neon lights, modern office building, server room, rows of servers, cables, screens displaying data flow, complex network diagram, 3D visual representation, holographic display, virtual reality headset, IT specialist, male, 30s, casual wear, standing, pointing at screen, explaining architecture design, softbox lighting, shallow depth of field, cinematic composition.