RF Software Engineer

4 weeks ago


Sunnyvale, California, United States Apple Full time

As a RF Software Engineer at Apple, you will be part of a world-class modem team responsible for crafting sophisticated, groundbreaking embedded firmware that delivers more performance in our products than ever before. You will work across fields to transform improved hardware elements into a single, integrated design, pushing the industry boundaries of what wireless systems can do and improving the product experience for our customers worldwide.

**Key Responsibilities**

- Design and implement RF device drivers and RF software to control RF transceivers and RF front-end components with detailed timing requirements.

- Design, develop, and optimize cellular modem processing algorithms pertaining to Baseband and RF components in a cellular system.

- Work with Baseband & RF systems and hardware designers to define hardware architecture and software computing requirements.

- Collaborate with multi-functional teams to lead dependencies while driving key Radio features.

**Requirements**

- Minimum BS with 3+ years of relevant industry experience.

- Knowledge of mobile communications in 4G/5G 3GPP protocols and radio architecture and interfaces.

- Knowledge of RF transceiver and RF front-end components control for 4G/5G radio.

- Understanding of RF calibrations for compensating RF impairments.

- Deep understanding of software engineering principles and core computer science fundamentals.

- Excellent in embedded C/C++ programming and working experience with compilers, build, and source code control tools.

- Experience with using RF Test equipment for RF validation and debugging.

- Proficiency with debugging in embedded software systems.

**Preferred Qualifications**

- Understanding of design principles to meet tight real-time deadlines.

- Familiarity with other Radio technologies such as WiFi/BT.

- Experience with live network cellular device issue triage.

- Familiarity with 3GPP regulatory test cases.

- Experience with the production of cellular devices.


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