Microsoft Teams is seeking a Principal Software Engineer to join their mobile development team, focusing on iOS and Android platforms. This role is critical in driving the mission of delivering best-in-class calling solutions within Teams, which has seen tremendous growth especially during the hybrid work era. The position offers an opportunity to work on mission-critical products used by institutions worldwide, tackling complex challenges in team calling, meetings, collaboration, and productivity spaces. The ideal candidate will lead mobile development initiatives, optimize application performance, and architect scalable solutions that impact hundreds of millions of users. Working at Microsoft Teams means joining a fast-paced environment with constant new challenges and opportunities to directly influence product engineering decisions. The role requires deep expertise in mobile development, strong leadership abilities, and a passion for creating exceptional user experiences. Benefits include comprehensive healthcare, educational resources, parental leave, and various other perks that make Microsoft a leading employer in the tech industry.