Modern minimalist office, male IT engineer (35yo), bespectacled, short hair, casual wear, holding laptop, standing, in front of whiteboard, diagramming data flow, arrows and boxes, complex database structure, cloud storage, real-time analytics, machine learning model, scalable infrastructure, secure encryption, high-performance computing, natural light pouring through floor-to-ceiling windows, blurred cityscape outside, 3/4 composition, soft focus on background, shallow depth of field, cinematic lighting.