We are seeking a Senior Android Engineer for a contract position based in San Francisco, California. This is a 6+ month engagement focused on native Android application development and maintenance. Responsibilities Design, develop, and maintain native Android applications Write and execute automated test scripts for mobile applications Integrate mobile applications with backend services and REST APIs Participate in the full application lifecycle including development, testing, debugging, releases, and maintenance Collaborate with team members using version control systems Qualifications Required 8+ years of Android development experience building native Android applications Strong hands-on development experience with Kotlin Strong Core Java development experience Experience with dependency injection in Android applications, including Dagger 2.0 Hands-on experience writing automated test scripts using mobile test automation frameworks such as Appium Experience with the full Android application lifecycle: development, testing, debugging, releases, and maintenance Experience integrating mobile applications with backend services and REST APIs Proficiency with version control tools such as Git or Bitbucket Preferred Knowledge and experience working with C-based libraries