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# Software Engineer - Cellular Data Plane Systems

- **Company:** Apple Firmenprofil
- **Location:** München, Germany
- **Experience:** Starter
- **Contract:** Permanent contract
- **Skills:** Mobile Broadband Modems, C++ (Programming Language), Communications Protocols, Modems, Software Debugging, Python (Programming Language), Network Protocols, Real-Time Operating Systems, Software Engineering, Wi-Fi Technology, Solid Principles, Information Technology
- **Published:** May 22, 2026
- **Apply:** https://de.indeed.com/viewjob?jk=53ab68bbef4c2ace

## About the Role

Do you have experience in Software development?, Do you have a Master's degree?, 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., 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.

## Description

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., 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.


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