An Application Programming Interfaces (API) developer designs, implements, and manages APIs that facilitate interaction between different software systems. They create protocols for data exchange, ensuring seamless connectivity and integration. Their tasks involve coding, debugging, testing, and monitoring the performance of APIs while adhering to design standards and protocols. They also document API functionalities for user understanding. They collaborate with other developers and stakeholders to understand API needs and deliver solutions accordingly. They also handle API security, ensuring data privacy and protection. Their role is crucial in enhancing user experience and software functionality.