BairesDev is seeking a Senior QA Engineer specializing in mobile to lead quality strategy for iOS and Android apps. You will collaborate with product and engineering to design robust tests and automate coverage across devices and platforms. The role offers 100% remote work, competitive USD compensation, versátil hours, and a culture of mentorship and growth in a global Top 1% talent network. You will drive release quality, document defects, and contribute to improving performance and UX.