As a member of the Wallet Identity server team, you'll:- Design and build high-quality backend services using Java and Kotlin on AWS- Architect scalable solutions leveraging technologies like Temporal, Redis, and distributed databases- Work with identity standards including ISO 18013/23220, ICAO 9303, and the W3C Digital Credentials API- Collaborate cross-functionally with technical and non-technical experts across Apple- Work closely with iOS engineers to prototype, build and test new features and ideas- Drive the complete development lifecycle through design, implementation, testing, and release- Participate in on-call rotations to ensure service reliability- Lead architectural decisions and establish engineering best practices- Mentor team members and provide technical leadership- Navigate complexity by distilling ambiguous requirements into clear, actionable solutions