Software Engineer
Apple
Software Engineering
San Diego, CA, USA
USD 120,300-181,200 / year + Equity
Posted on Feb 3, 2026
Apple’s Cellular Software team is seeking talented, highly motivated and well-adapted engineers to work across layers on groundbreaking cellular technologies. The position involves developing and integrating core cellular technologies that solves everyday problems for customers using iPhone, iPad, Watch and other wireless product lines. We are passionate about keeping our users connected 24/7 wherever they go. This team takes pride in not just coming up with shown software designs but also in disrupting traditional models of the cellular ecosystem. We do whatever it takes to bring user experience to the next level. In this role you will be a key member of the Cellular Layer1 Control Software team with following responsibilities:
As an engineer on our team, your responsibilities will range from high-level user interfaces, to writing background processing and networking code, to developing frameworks used by other teams at Apple and third party developers. You’ll be tasked with maintaining and improving existing features and implementing new and innovative ideas for the future. You will also be responsible for delivering the best possible application performance including fast launch times and smooth scrolling. We work closely with the other iOS engineering teams, human interface designers, privacy, security and other groups across Apple and our partners at other companies. Our goals are simple but the task is large - build the most amazing home automation experience in the world that our customers will love.
- Specify, design, implement and integrate Layer1 Control Software/Firmware of a state-of-the-art mobile wireless communications system.
- Implement key scheduling, control processing in tight timeline, latency, and energy constraints.
- Assist in the development of pre-silicon emulation systems/virtual platforms and use them for pre-silicon Layer1 Control SW design and verification.
- Evaluate and implement leading edge tools for build, formal verification, and test.
- Define methodologies and standards.
- Bachelors of Science or equivalent experience in Electrical Engineering or Computer Science
- Hands-on experience with real-time, embedded software/Firmware
- Strong understanding of software engineering principles using C and/or C++, Real Time Operating Systems (RTOS) and concurrent programming.
- Excellent debugging and troubleshooting skills
- Solid understanding of embedded real-time control, communications, information theory. Cellular call processing, DSP, communication and RF topics a plus.
- Solid understanding of computer architecture with particular emphasis on the HW/SW interfaces of high-speed communication subsystems.
- Experience in SW verification and HW validation utilizing scripting and/or automation frameworks with experience debugging embedded software systems using system simulators.
Apple is an equal opportunity employer that is committed to inclusion and diversity. We seek to promote equal opportunity for all applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, Veteran status, or other legally protected characteristics. Learn more about your EEO rights as an applicant.