An AdWords API developer designs and implements Google Ads applications and systems. They utilize Google's AdWords API (Application Programming Interface) to automate tasks, such as ad creation, keyword generation, and campaign performance tracking. This role involves understanding the client's advertising needs and translating them into effective software solutions. Their responsibilities also include debugging and troubleshooting the applications, ensuring data accuracy, and maintaining documentation. They constantly monitor and optimize ad performance, making adjustments based on data analysis. Their work enables businesses to streamline their digital marketing efforts, improve ad performance, and maximize ROI.