Cellular Software Development Engineer

3-5 years
a month ago 4 Applied
Job Description

Key Qualifications

  • 3+years of development experience in cellular protocol stack of a commercial UE or protocol test systems.
  • Excellent knowledge on one or multiple cellular technologies: NR, LTE, HSDPA/HSUPA, GSM/GPRS/EDGE
  • Excellent Protocol Development Experience in one or more of NAS/AS/Data Plane protocols preferably in LTE/NR domain
  • Hands on experience in Cellular SW Protocol Architecture & Design/HW/SW Split/Performance Analysis required
  • Excellent software developing and debugging skills including design, programming (C, C++, script) and debugging
  • Strong experience in cellular protocol stack host test or simulation environment development is helpful.
  • Experience in test case scripting and regression test suites debugging conforming to relevantETSI/3GPP protocol technical specifications is a huge plus
  • Understanding of TTCN-3, development and debugging/integration of TTCN-3 test cases is a huge plus
  • Standard Software development & tool environment experience is a plus
  • Highly motivated and proactive, fast learner, a good teammate
  • Proficient in English, good verbal and written communication skills


This role requires critical expertise in multiple layers in cellular protocols, experience with UE and/or NW protocols development for various 3GPP technologies is important. The candidate must demonstrate proven understanding of relevant protocol procedures and network interactions. The duties of this position include requirements analysis, design, develop, and maintain cellular protocol device side host test and network simulation environment.

Education & Experience

Bachelor or Masters degree in Electronics and Communication Engineering, Computer Engineering, Electrical Engineering is preferred.




cellular protocol stack
simulation environment development
TTCN-3 test cases
commercial UE
3GPP protocol technical specifications
protocol test systems
tool environment experience
debugging skills
regression test suites debugging
NR domain
written communication skills
Data Plane protocols
test case scripting
cellular protocol stack host test
SW Split
cellular technologies
Standard Software development
Cellular SW Protocol Architecture
Job Source: jobs.apple.com

Apple Inc. is an American multinational technology company that specializes in consumer electronics, software and online services headquartered in Cupertino, California, United States. Apple is the largest information technology company by revenue (totaling US$365.8 billion in 2021) and as of January 2021, it is the world's most valuable company, the fourth-largest personal computer vendor by unit sales and second-largest mobile phone manufacturer. It is one of the Big Five American information technology companies, alongside Alphabet, Amazon, Meta, and Microsoft.

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