Software Engineer – Cellular Data Plane Systems (m/f/d)

Summary
Apple's Cellular Data Plane Systems team is seeking a motivated and talented junior software engineer to join our architecture, features, and validation efforts. In this role, you will contribute to a sophisticated system simulation environment that models and validates both hardware and software components. You will work alongside world-class engineers to shape next-generation cellular data plane technologies, helping define reference models and drive validation of complex, cutting-edge systems.

Description
We are a cellular data plane system team responsible for architecture and feature definitions, reference models, validation, and simulation. You will work on a complex system simulation environment that simulates and validates HW and SW, playing a key role in ensuring the correctness and performance of our data plane systems. The role offers significant exposure to real-time software, network protocol stacks, and simulation frameworks, with the opportunity to grow across the full stack of cellular modem software development.

Responsibilities

• Develop, maintain, and extend a complex system simulation environment for HW and SW validation.
• Implement and validate cellular data plane features in C++ and Python.
• Collaborate with architecture and systems teams to translate feature definitions into reference models and simulation components.
• Analyze simulation results to identify issues and drive resolution across cross-functional teams.
• Contribute to test infrastructure and automated validation pipelines.

Minimum Qualifications

• Validated experienced of professional software engineering experience.
• Strong proficiency in C++ and Python.
• Solid understanding of software design principles and debugging methodologies.
• Fluency in written and spoken English.

Preferred Qualifications

• Experience with embedded or real-time (RT) software development.
• Experience with simulation frameworks or model-based development environments.
• Familiarity with network protocols at the IP layer and above.
• Knowledge of modem L2 protocol layers such as Wi-Fi MAC, or 3GPP cellular MAC, RLC, or PDCP.
• A proactive, self-directed approach with strong problem-solving skills and ability to thrive in a fast-paced, collaborative environment.
• BS/MS in Computer Science, Electrical Engineering, or a related field.
• Apple is an Equal Opportunity Employer that is committed to inclusion and diversity. We take affirmative action to ensure 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. If you’d like more information about your EEO rights as an applicant. Apple will not discriminate or retaliate against applicants who inquire about, disclose, or discuss their compensation or that of other applicants.

At Apple, we're not all the same. And that's our greatest strength. We draw on the differences in who we are, what we've experienced, and how we think. Because to create products that serve everyone, we believe in including everyone. Therefore, we are committed to treating all applicants fairly and equally. We will work with applicants to make any reasonable accommodations.

At Apple, we believe accessibility is a fundamental human right. You’ll find that idea reflected in everything here — in our culture, our benefits and our digital tools. By welcoming as many perspectives as possible, we help you build a career where you feel like you belong.

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Role Number: 200655100-1731