Create a portrait of a 44-year-old male professional with black hair

Create a portrait of a 44-year-old male professional with black hair, a three-day beard, and blue eyes. He is 176 cm tall and weighs 89 kg. He has a background in computer engineering and works as a web developer and FullStack engineer. He is dressed in casual yet professional attire, with the focus on his upper body and face. The background should be neutral or slightly tech-inspired, making it suitable for a web portfolio. His expression is confident and focused, highlighting his expertise and dedication to technology. The overall style should be clean and modern, emphasizing his professionalism and technical skills.