An Apigee developer designs, develops, and manages robust API (Application Programming Interface) platforms using Google's Apigee API Platform. They handle API proxies, develop JavaScript for Apigee's Edge environment, and build API products. They also ensure the security of the API through OAuth, SAML, and JWT, and monitor the performance of the API platform, optimizing as necessary. Their role involves troubleshooting and debugging API issues, using their expertise in RESTful and SOAP services. Additionally, they collaborate with other developers, stakeholders, and clients to ensure the effective integration of the API platform with other systems.