CI&T, a global technology transformation company with over 7,400 employees worldwide, is seeking a Senior Android Developer specializing in Performance to join their team in Brazil. This role offers an exciting opportunity to work on projects for Brazil's largest banking institution, focusing on digital transformation and technical excellence. The position requires expertise in Kotlin and Java development, with a strong emphasis on performance optimization using tools like Macrobenchmark and Perfetto. The ideal candidate will work in cross-platform teams, collaborating with multidisciplinary groups to deliver efficient solutions while maintaining a strong focus on user experience. The company offers a comprehensive benefits package including health insurance, continuous learning opportunities through CI&T University, and various wellness programs. This role is remote, though candidates in the Campinas metropolitan region may need to attend office occasionally. The position combines technical expertise with transformational impact, making it an excellent opportunity for senior developers looking to make a significant impact in the financial sector while working with cutting-edge mobile technologies.