Modern software architect, standing in front of a large whiteboard, explaining Domain-Driven Design (DDD) concepts, wearing glasses, short brown hair, casual business attire, holding a marker pen, confident posture, pointing to the board, surrounded by colleagues, laptops, and coffee cups, in a bright and airy conference room, with a cityscape view outside the window, sunny day, soft natural light, shallow depth of field, realistic rendering, cinematic composition.