A Google+ Local developer integrates Google's location-based services into applications or websites. They utilize Google's APIs to incorporate features like maps, location search, and reviews into the user interface. They also manage and analyze location data to optimize the user experience, enhance local SEO, and provide personalized content. These developers work with various programming languages, often including JavaScript, HTML, CSS, and Python. Their main goal is to create a seamless, intuitive, and engaging user experience that leverages the power of Google's extensive location data and services. They must constantly update their skills to keep pace with Google's evolving technologies.