A code review developer thoroughly inspects and analyzes another developer's code to ensure it meets quality standards, adheres to coding conventions, and is efficient and bug-free. They identify potential issues, suggest improvements, and validate the logic and functionality of the code. They also ensure that the code is readable, maintainable, and well-documented. Their role is crucial in maintaining code quality, fostering knowledge sharing, and promoting best coding practices within the team. They use tools and methodologies to systematically review code, provide feedback, and often participate in peer review sessions.