Senior Flutter Developer

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Flutter Developer based in Brazil. As a Senior Flutter Developer, you will lead the architecture and development of high-performance mobile applications for a major U.S. client in the e-commerce and retail industry. You will play a key role in building scalable, secure, and seamless shopping experiences across iOS and Android platforms. Working with modern technologies such as Flutter, GraphQL federation, Apollo Client, and headless CMS solutions, you will drive technical excellence throughout the mobile development lifecycle. You will collaborate closely with backend engineers and cross-functional teams to optimize integrations, enhance application performance, and deliver reliable checkout experiences. In addition to hands-on development, you will contribute to architectural decisions, mentor fellow developers, and establish engineering best practices. This fully remote opportunity offers significant autonomy, international collaboration, and the chance to contribute to high-impact digital commerce platforms while working with U.S.-based engineering leadership.