Modern software engineer, standing, confident posture, glasses with thin frames, short hair, subtle smile, white shirt, dark blue jeans, black sneakers, holding a tablet, designing an application architecture, process diagram on the screen, minimalist office background, wooden desk, ergonomic chair, large window with city view, skyscraper outside, sunny day, soft natural light, slight shadow, 3/4 composition, cinematic mood, high-tech atmosphere.