Modern office interior, male programmer, 30s, beard, glasses, messy brown hair, casual wear, white shirt, jeans, sneakers, sitting, coding, multiple screens, desktop computer, ergonomic chair, wooden desk, floor lamp, bookshelf, coffee cup, papers scattered, client-server software architecture diagram on screen, colorful cables, router, server rack, network devices, blurred background, warm lighting, 3/4 composition, shallow depth of field.