Senior Mobile App Developer - Contractor

We are looking for someone to be responsible for the development and maintenance of Android / iOS Mobile Application Developer & API Developer, Your primary focus will be customers Mobile App development and integration with third-party services. You will be working with other engineers and developers on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and creating quality products is essential. Responsibilities: An Android/iOS Mobile Application Developer plays a crucial role in designing, building, and maintaining mobile applications for various platforms. Here are some key responsibilities: Design and Development: Create user-friendly and intuitive mobile applications for Android and iOS platforms, ensuring they meet user needs and preferences. Collaboration: Work closely with cross-functional teams, including designers, data scientists, and software engineers, to define and implement app features. Testing and Debugging: Conduct thorough testing to identify and fix bugs, ensuring the performance, quality, and responsiveness of applications. Continuous Improvement: Stay updated with the latest technologies and best practices to enhance app functionality and efficiency. Documentation: Maintain detailed documentation of programming tasks and procedures for future maintenance and upgrades. API Development: Develop and integrate APIs to support mobile functionality. API (Application Programming Interface) development is a cornerstone of mobile application functionality. RESTful APIs: Commonly used for mobile apps due to their simplicity and scalability. They use HTTP methods like GET, POST, PUT, and DELETE. GraphQL APIs: Provide more flexibility by allowing clients to request specific data structures. Third-party APIs: Design: Define the endpoints and data structures based on app requirements. Implementation: Write the code for the API, ensuring it handles requests and responses efficiently. Testing: Use tools like Postman or Apidog to test API functionality and reliability. Documentation: Provide clear guidelines for developers on how to use the API. * Ensure security with authentication methods like OAuth or API keys. * Optimize performance by minimizing data payloads and using caching. * Maintain version control to avoid breaking changes for existing users.