Sr Messages Services and Security Engineer

Seattle Metro Area, United States of America💼 Full-time🗓 2026-07-28 → 2026-09-28

Core

Designing and building core delivery protocols, security features, and infrastructure for Apple's Messages platform (iMessage, RCS, Satellite messaging).

Role type

Senior IC backend engineer (messaging protocols & security)

Builds

End-to-end messaging protocols, Swift frameworks (e.g., BlastDoor), and secure data handling infrastructure

Domain

Consumer technology / Mobile communications

Required skills

Swift, Obj-C, object-oriented design, multi-threaded processing, interprocess communication, system synchronization

Preferred skills

Security reasoning, legacy code maintenance, non-disruptive refactoring

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About Apple

Computers and Electronics Manufacturing194620Cupertino, California, USFounded 1976

We’re a diverse collective of thinkers and doers, continually reimagining what’s possible to help us all do what we love in new ways. And the same innovation that goes into our products also applies to our practices — strengthening our commitment to leave the world better than we found it. This is where your work can make a difference in people’s lives. Including your own. Apple is an equal opportunity employer that is committed to inclusion and diversity. Visit apple.com/careers to learn more.