As a Mobile Developer working on a contract, your main responsibilities typically include designing, coding, testing, and deploying mobile applications for iOS or Android platforms based on client requirements. You may also be tasked with debugging, updating existing apps, integrating APIs, and delivering technical documentation. Contractors often work closely with designers, product managers, and QA teams to meet project goals on a set timeline. You’ll need to be proactive in managing your workload, communicating progress, and incorporating feedback, as contract roles often require a higher degree of independence and adaptability.