Sr Messages Infrastructure Engineer

Benefits

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Not verified last checked Jun 13, 2026

Salary

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401(k) match

Listed Source: EMPLR_CONTRIB_INCOME_AMT. source Last checked Jun 13, 2026.

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About this role

Sr Messages Infrastructure Engineer San Francisco Bay Area, United States of America Join Apple's Messages team as an engineer responsible for designing and ensuring the robustness of Messages core on-device architecture and sync infrastructure. Our team is dedicated to creating exceptional user experiences, as Messages is a crucial platform for secure global connections. You will focus on the foundational data structures, APIs, and persistence layers that power Messages across iOS, macOS, watchOS, and visionOS. Work on building and scaling infrastructure related to Messages in iCloud utilizing CloudKit, SQLite databases, and system daemons. You will have the opportunity to work closely with partner teams in iCloud, Telephony, IdentityServices. Come be part of the team helping our customers connect to their most important people in delightful, expressive ways. Every day, millions of people connect via Messages, expressing and sharing with the people who matter most to them in many different ways. We are constantly adding new communication tools for iMessage, all with end-to-end encryption for both individual and group conversations. We believe privacy is a fundamental human right, and you'll incorporate this belief into everything we build. Designing and maintaining the on-device architecture that stores, vends, and syncs Messages data across iOS, macOS, watchOS, and visionOS. Developing robust data structures, APIs, and database schemas to support innovative new Messages features. Building and optimizing sync infrastructure, specifically focusing on Messages in iCloud and CloudKit integration. Managing system daemons, attachment storage, and transcoding pipelines. Creating testable code to rigorously test changes and ensure consistent

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