An automated reasoning developer designs and implements systems that mimic human reasoning, enabling machines to solve complex problems. They use artificial intelligence, machine learning, and logic-based techniques to create algorithms and models. Their role involves researching new methods for problem-solving, validating algorithms, and debugging and improving existing systems. They work closely with data scientists to analyze data and use this to improve automated reasoning capabilities. These developers also need to ensure the systems they design are efficient, reliable, and scalable. Their work is crucial in fields like robotics, programming languages, hardware verification, and software engineering.