Mobile Staff QA Engineer

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Mobile Staff QA Engineer based in Brazil. This is a senior technical quality engineering role focused on shaping quality across native iOS and Android applications.You will define scalable mobile testing strategies and establish automation standards across the development and release lifecycle.The role combines hands-on expertise with technical leadership, covering devices, operating systems, network conditions, releases, and production environments.You will also help introduce AI-assisted and agentic testing workflows to improve regression efficiency, defect detection, and engineering velocity.Close collaboration with Engineering, Product, Platform, and other technical teams will be central to your impact.You will influence quality practices across teams while mentoring QA engineers and strengthening their automation and testing capabilities.The environment is remote, international, collaborative, and highly focused on continuous improvement and practical innovation.