← All roles

Cellular Protocol Stack Development Engineer-Beijing

Apple· Wireless Software / Wireless Technologies and Ecosystems
Apply on company site
BeijingFull-timePosted 6mo ago

About the role

Role focused on designing, developing, debugging cellular protocol software across multiple layers for 3GPP technologies, with emphasis on NR/LTE protocols and end-to-end system understanding. Collaborates across teams to deliver seamless wireless connectivity and customer experiences on Apple devices.

Responsibilities

  • Design, develop, and debug cellular protocol software in various layers.
  • Perform architecture, design, and code reviews with different engineers/teams.
  • Identify and solve everyday problems for customers using iPhone, iPad, Watch and other wireless product lines.

Qualifications

  • MS/PhD in CS/EE
  • Good programming skills in one or more of C/C++, OC or Swift
  • Good knowledge of wireless communication or computer network
  • Strong debugging and problem solving skills
  • Experienced in NR/LTE protocol AS/L2 as plus
  • Deep knowledge of LTE or NR cross layers as well as end to end system as plus

Skills

Required:Programming (C/C++, OC, Swift)Wireless communicationDebugging and problem solving
Last updated Oct 23, 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.

AirPods Max 2Apple ArcadeApple CardApple Fitness+Apple MusicApple TVApple TV+Apple Watch Series 11

More open roles at Apple