Okay, let’s tackle this. So Jiangzuo Chu has a diverse skill set, including semiconductor design, mixed-signal engineering, and test engineering. He’s based in Irvine, California, which is a hub for tech industry. His skills are in demand, especially in the semiconductor and electronics sectors. According to national averages, engineers with similar skills can earn around $100–$150 per hour. Considering his expertise and location, I estimate his hourly rate to be around $125.