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Cellular Software Engineer

Join the Wireless Technologies and Ecosystems team and be part of an elite group of engineers working multi-functionally to drive innovation and develop products used by millions around the world. We’re looking for a highly collaborative individual who thrives in a fast-paced environment. At Apple, you’ll have the opportunity to create something extraordinary. Here, dynamic teams, encouraging colleagues, and industry-defining technologies are the norm. Our people have redefined entire industries through groundbreaking products and services, and that same passion for innovation drives our business practices—fueling our commitment to leave the world better than we found it. If you’re ready to help build the next amazing Apple product, you should join us. Apple’s Cellular Software team is seeking talented, highly motivated, and disciplined engineers to give across multiple layers of groundbreaking cellular technologies. This role involves identifying and developing core innovations that tackle real-world problems for customers using iPhone, iPad, Apple Watch, and other wireless products. We are passionate about keeping users connected 24/7, wherever they go.

Description


Our team takes pride not only in delivering robust software designs but also in challenging traditional models of the cellular ecosystem. We’re driven by the mission to elevate the user experience and do whatever it takes to achieve that. If you share our passion for cellular technologies and aspire to work on ground breaking solutions, we want to hear from you. As a key member of the Cellular L1 Control and Data Plane Software team, you will: Architect, design, and document L1 control and data plane software Drive requirements, development, and commercialization throughout the product lifecycle Collaborate with multi-functional teams to define efficient interfaces between software and hardware for power and performance efficiency Evaluate iOS and watchOS features to assess the impact and integration of 3GPP L1 control and data plane technologies Review and propose innovative updates to cellular data plane standards to enhance the end-user experience

Minimum Qualifications


Strong Software Engineering skills including design, programming (using C, C++), scripting (Python preferred, Perl) and debugging Knowledge of wireless/internet standards, including but not limited to 3GPP 5G-NR and LTE L1C control software and Data protocols (L4/L3/SDAP/PDCP/RLC/MAC) and their applications in end to end product design Bachelors/Master degree in Computer Science, Electrical Engineering, Wireless Communications or equivalent majors with 10+ years of experience.

Preferred Qualifications


Understanding of protocols such as TCP, UDP, IP, QUIC, RRC, and NAS is a plus. Experience with silicon prototyping, emulation systems, and virtual platforms is a plus. Obsessively hard-working and inquisitive, with a focus on solving everyday problems in innovative ways. Excellent communication and documentation skills.
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Average salary estimate

$150000 / YEARLY (est.)
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max
$120000K
$180000K

If an employer mentions a salary or salary range on their job, we display it as an "Employer Estimate". If a job has no salary data, Rise displays an estimate if available.

What You Should Know About Cellular Software Engineer, Apple

Are you ready to join the innovative team at Apple as a Cellular Software Engineer? Located in sunny San Diego, California, you’ll have the chance to work with a diverse group of talented engineers who are passionate about revolutionizing the wireless ecosystem. In this dynamic role, you’ll be instrumental in architecting, designing, and documenting L1 control and data plane software that power products like the iPhone, iPad, and Apple Watch. Collaboration is key, as you’ll engage in a multi-functional environment to define efficient interfaces that boost power and performance. Your days will be filled with evaluating iOS and watchOS features and proposing cutting-edge updates to cellular data plane standards that enhance user experiences. With your strong software engineering background, including expertise in C, C++, and Python, you’ll help tackle real-world problems and push the envelope of what’s possible in cellular technologies. If you thrive in fast-paced settings and have a passion for creating robust software solutions, you’ll fit right in with the Apple family. Join us in our mission to keep users connected, wherever they go, and contribute to shaping the future of wireless technologies.

Frequently Asked Questions (FAQs) for Cellular Software Engineer Role at Apple
What responsibilities does a Cellular Software Engineer at Apple have?

A Cellular Software Engineer at Apple is tasked with architecting, designing, and documenting L1 control and data plane software. This position involves driving requirements, collaborating with multi-functional teams, and reviewing innovative updates to cellular data plane standards, all aimed at enhancing user experience.

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What qualifications are needed to become a Cellular Software Engineer at Apple?

To qualify for the Cellular Software Engineer role at Apple, candidates should possess a Bachelor's or Master's degree in Computer Science, Electrical Engineering, Wireless Communications, or related fields, along with at least 10 years of relevant experience. Proficiency in programming languages such as C, C++, and Python is essential.

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What technologies does a Cellular Software Engineer at Apple work with?

As a Cellular Software Engineer at Apple, you will work with various technologies including 3GPP 5G-NR and LTE L1C control software and Data protocols like L4, L3, SDAP, PDCP, RLC, and MAC. Familiarity with wireless/internet standards is necessary to excel in this position.

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How does the Cellular Software Engineer contribute to Apple’s mission?

In the Cellular Software Engineer role at Apple, you contribute to the company's mission by developing innovative solutions that enhance the user experience and keep users connected 24/7, thus redefining the cellular ecosystem through groundbreaking technologies.

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What skills are preferred for a Cellular Software Engineer position at Apple?

Preferred skills for a Cellular Software Engineer at Apple include an understanding of protocols such as TCP, UDP, IP, QUIC, RRC, and NAS, along with experience in silicon prototyping and emulation systems. Excellent communication and documentation abilities are also highly valued.

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Common Interview Questions for Cellular Software Engineer
Can you explain your experience with L1 control and data plane software?

When answering this question, focus on your specific experiences and projects related to L1 control and data plane software. Discuss the technologies you’ve used and how your contributions influenced the product lifecycle.

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What programming languages have you used in your previous roles?

Highlight your proficiency in languages such as C, C++, and Python. Provide examples of projects where you applied these languages to solve complex problems in software development.

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How do you ensure performance efficiency in software design?

Discuss your approach to collaborating with multi-functional teams and how you evaluate the impact of hardware-software interfaces. Mention specific techniques or tools you've used to optimize performance.

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Can you describe a challenge you faced while working on wireless technologies?

Share a specific example of a challenge you encountered, what steps you took to resolve it, and the outcome. Emphasize your problem-solving skills and ability to innovate under pressure.

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What are your thoughts on the future of 5G and its impact?

Express your insights on 5G technology and its potential implications for connectivity and user experiences. Highlight any relevant experience or learning you’ve pursued in this area.

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How do you document your software designs?

Explain your process of documentation, emphasizing clarity and detail that facilitate collaboration and future updates. Provide examples of tools or methodologies you utilize for effective documentation.

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What techniques do you use to collaborate with hardware teams?

Outline your strategies for successful collaboration between software and hardware teams. Discuss your proactive communication methods or tools that ensure alignment and efficiency.

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How do you stay up-to-date with wireless standards and protocols?

Talk about your methods for keeping current with the latest developments in wireless standards, such as attending conferences, enrolling in courses, or following industry news and publications.

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Can you give an example of an innovative solution you proposed?

Share a specific instance where you identified a problem and proposed a creative, effective solution. Discuss the impact it had on your project or team, showcasing your innovation skills.

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Why do you want to work for Apple as a Cellular Software Engineer?

Articulate your passion for technology and innovation, emphasizing how Apple's commitment to redefining industries resonates with your career aspirations and values. Make sure to reference the specific aspects of the role that excite you.

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446 jobs
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CULTURE VALUES
Inclusive & Diverse
Diversity of Opinions
Work/Life Harmony
Dare to be Different
Reward & Recognition
Empathetic
Take Risks
Growth & Learning
Transparent & Candid
Mission Driven
Passion for Exploration
Feedback Forward
BENEFITS & PERKS
Medical Insurance
Dental Insurance
Vision Insurance
Mental Health Resources
Life insurance
Disability Insurance
Health Savings Account (HSA)
Flexible Spending Account (FSA)
Learning & Development
Paid Time-Off
Maternity Leave
Social Gatherings
FUNDING
SENIORITY LEVEL REQUIREMENT
TEAM SIZE
EMPLOYMENT TYPE
Full-time, on-site
DATE POSTED
April 6, 2025

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