Software architect, male, 30s, glasses, short hair, formal wear, standing, in front of a whiteboard, markers in hand, explaining complex system diagrams, blueprints, network infrastructure, cloud computing, virtual machines, microservices, RESTful API, data storage, algorithms, UML diagrams, agile development methodology, Scrum board, sticky notes, modern office interior, minimalistic decor, wooden desk, ergonomic chair, natural light, softbox lighting, 3/4 composition, shallow depth of field.