Cellular Protocol Stack Development Engineer-Beijing

Beijing, Beijing, China
Software and Services


Role Number:200550604
Apple is a place where extraordinary people gather to do their best work. Just be ready to dream big. The people here at Apple don’t just build products — they build the kind of wonder that’s revolutionized entire industries. It’s the diversity of those people and their ideas that encourages the innovation that runs through everything we do, from amazing technology to industry-leading environmental efforts. Join Apple, and help us leave the world better than we found it. Imaging what you could do here. At Apple, creative ideas have a way of becoming wonderful products, services, and customer experiences very quickly. Bring passion and dedication to your job and there’s no telling what you could accomplish. Are you a fearless thinker? Do you love the challenge of advancing a widely accepted technology? In the Wireless Software group, you’ll be responsible for bringing groundbreaking wireless connectivity to the world through Wi-Fi, Bluetooth, GPS, and more. You’ll design, develop, and patent the next generation of our state-of-the art connectivity technologies. You’ll collaborate across departments to help craft wireless solutions that elevate the customer experience with Apple products and services. Our goal is to ensure nothing stands in the way of our customers’ connections with their devices. If you join us, you’ll help build world-renowned wireless systems so seamless that they almost feel like magic. Join the Wireless Technologies and Ecosystems team and be part of an elite team of engineers, driving innovation and developing products used by millions worldwide. Dynamic, encouraging people and innovative, industry-defining technologies are the norm at Apple. The people who work here have reinvented and defined entire industries with our products and services. The same real passion for innovation also applies to our business practices - strengthening our dedication to leave the world better than we found it. You should join Apple if you want to help deliver the next amazing Apple product. Be ready to make something extraordinary when you come here.


- This role requires critical expertise in multiple layers in cellular protocols, experience with UE and/or NW protocols development for various 3GPP technologies is essential. The candidate must demonstrate solid understanding of relevant protocol procedures and network interactions. - The duties of this position will design, develop, debug cellular protocol software in various layers. - Perform architecture, design, code reviews with different engineers/teams. - The position also involves identifying and solving everyday problems for customers using iPhone, iPad, Watch and other wireless product lines.

Minimum Qualifications

Key Qualifications

  • 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.

Preferred Qualifications

Education & Experience

- MS/PhD in CS/EE

Additional Requirements

  • Apple is an Equal Opportunity Employer that is committed to inclusion and diversity. We also take affirmative action to offer employment and advancement opportunities to all applicants, including minorities, women, protected veterans, and individuals with disabilities. Apple will not discriminate or retaliate against applicants who inquire about, disclose, or discuss their compensation or that of other applicants.