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Senior Software Engineer - iCloud Messaging Identity Services

Apple· Software and Services
Apply on company site
San Diego, CA$142.3k - $263.3kfull-timePosted 2mo ago

About the role

Senior backend engineer for the IDS Server (Messaging Identity) team, building identity and discovery backend services powering Messages, FaceTime and other messaging/sync features. Focus on large-scale, highly-available cloud services, identity/authentication, and encryption-related capabilities.

Responsibilities

  • Represent the team in cross-functional settings and lead projects in our realms of expertise.
  • Partner with Mobile, Web, Design, Security, Trust & Safety, and other functions to build world-class messaging products.
  • Partner with storage, platform, and infrastructure teams to deliver scalable and highly-available web services.
  • Drive features end-to-end across the software development lifecycle — exploration, design, implementation, testing, and operations.

Qualifications

  • At least 3 years of backend software engineering experience
  • Experience in Java, Go, C#, or similar languages.
  • Experience in building large-scale, highly-available cloud services.
  • Experience with distributed database systems (such as Cassandra)
  • Independent, driven, motivated, and a deep sense of ownership over the products we work on.
  • Strong written and verbal communication skills
  • Good understanding of multi-threading, non-blocking I/O, and networking concepts
  • Experience with applied cryptography (encryption, key exchange, hashing, certificates).
  • Familiarity with identity, authentication, and authorization systems at scale

Skills

Required:Backend developmentJavaGo/C#/C++Distributed databasesCryptography

Benefits

  • Comprehensive medical and dental coverage, retirement benefits, and a range of discounted products and free services.
  • Education-related reimbursements including tuition.
  • Discretionary bonuses or commission payments and relocation eligibility (where applicable).
  • Apple shareholder opportunities through discretionary stock programs and Employee Stock Purchase Plan.
Last updated Aug 21, 2026. Interested? Apply on the company site.

About Apple

Discover the innovative world of Apple and shop everything iPhone, iPad, Apple Watch, Mac, and Apple TV, plus explore accessories, entertainment, and expert device support.

Discover the innovative world of Apple and shop everything iPhone, iPad, Apple Watch, Mac, and Apple TV, plus explore accessories, entertainment, and expert device support.

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