Cellular 5G/4G RF Software Engineer
Apple · Bengaluru, Karnataka, India
- On site
- Full-time
- $180,000 / year
- Bengaluru, Karnataka, India
Job highlights
- Develop cutting-edge cellular RF firmware.
- Design algorithms for RF components.
- Implement device drivers with precise timing.
- Optimize power for RF circuitry.
- Collaborate with multi-functional teams.
About the role
Cellular 5G/4G RF Software Engineer
Do you have a passion for invention and self-challenge? Do you thrive on pushing the limits of what’s considered feasible? As part of a world class modem team, you’ll craft sophisticated leading-edge embedded firmware that deliver more performance in our products than ever before. You’ll work across subject areas to transform improved hardware elements into a single, integrated design. Join us, and you’ll help us innovate new wireless systems technologies that continually outperform the previous iterations! By collaborating with other product development groups across Apple, you’ll push the industry boundaries of what wireless systems can do and improve the product experience for our customers across the world!
Description
- Specify, design, and implement the RF firmware architecture of a state-of-the-art mobile wireless communications system.
- Design, develop and optimize the RF processing algorithms pertaining to transceiver, RF front end, antenna tuners and other RF components in a cellular system.
- Implement RF device drivers and control software for RF transceivers and RF front end components with precise timing requirements.
- Work with RF silicon designers to define RF transceiver architecture and supporting software computing requirements.
- Work with systems and IC designers to optimize power optimization for all RF circuitry in the cellular system.
- Work with multi-functional teams to manage dependencies while driving the key Radio feature.
Minimum Qualifications
- Knowledge of mobile communications in 4G/5G 3GPP protocols and PHY layer radio aspects.
- Knowledge of communication theory, Wireless standards, Radio architecture and Interfaces.
- Experience with control of RF transceiver and RF front end components for 4G/5G data path processing.
- Understanding of RF calibrations for gain error and techniques for compensating RF impairments.
- Understanding of design principles to meet tight real time timelines is a plus.
- Deep understanding of software engineering principles, and core computer science fundamentals.
- Excellent command of C and C++, and working experience with compilers, build and source code control tools.
- Working knowledge of computer architecture with particular emphasis on the HW/SW interfaces of wireless communication systems.
- Experience with using RF Test equipment for RF validation and debugging and proficiency with debugging in embedded software systems.
- Familiarity with JTAG and ETM Trace tools.
- 8+ years of proven experience.
Key skills/competency
- Cellular RF Software Engineer
- Embedded Firmware
- RF Firmware Architecture
- RF Processing Algorithms
- RF Transceiver Control
- 4G/5G Protocols
- Wireless Standards
- C/C++
- Embedded Software Debugging
- HW/SW Interfaces
Skills & topics
- Cellular RF Software Engineer
- Embedded Firmware
- RF Firmware Architecture
- RF Processing Algorithms
- RF Transceiver Control
- 4G/5G Protocols
- 3GPP
- PHY Layer
- Wireless Standards
- Radio Architecture
- C++
- Software Engineering
- Computer Science
- Embedded Systems
- Real-time Systems
- HW/SW Interfaces
- RF Calibration
- Antenna Tuners
- Power Optimization
- JTAG
- ETM Trace
- Apple
How to get hired
- Tailor your resume: Highlight your 8+ years of experience in C/C++, embedded systems, and RF software for 4G/5G.
- Showcase RF expertise: Emphasize your knowledge of RF transceiver control, calibration, and wireless standards.
- Demonstrate debugging skills: Detail your experience with RF test equipment, JTAG, and ETM trace tools.
- Understand Apple's innovation: Research Apple's commitment to cutting-edge wireless technology and how your skills align.
- Prepare for technical interviews: Be ready to discuss communication theory, computer architecture, and real-time embedded systems.
Technical preparation
Master C/C++ for embedded systems.,Study 4G/5G 3GPP protocols.,Practice RF transceiver control.,Prepare for embedded debugging challenges.
Behavioral questions
Describe a complex technical challenge you solved.,How do you handle tight deadlines?,Share an experience of cross-functional collaboration.,How do you approach self-challenge and innovation?
Frequently asked questions
- What specific 4G/5G protocols are most relevant for the Cellular RF Software Engineer role at Apple?
- For the Cellular RF Software Engineer position at Apple, a strong understanding of 3GPP protocols and the PHY layer radio aspects for both 4G and 5G is crucial. This includes knowledge of how these protocols govern data transmission and management within cellular systems.
- What kind of RF test equipment experience is beneficial for this Apple job?
- Experience with using RF test equipment for validation and debugging is highly valuable for this Cellular RF Software Engineer role at Apple. Proficiency in identifying and resolving RF-related issues using such equipment is a key requirement.
- How important is real-time embedded systems knowledge for this RF Software Engineer position at Apple?
- Knowledge of design principles to meet tight real-time timelines is a plus for this Cellular RF Software Engineer role at Apple. This is because RF components and their control software often have strict timing requirements for optimal performance.
- Does Apple look for specific C/C++ skills for their RF Software Engineers?
- Yes, Apple specifically looks for an excellent command of C and C++ for their Cellular RF Software Engineer roles. Experience with compilers, build systems, and source code control tools is also essential.
- What is the typical career path for a Cellular RF Software Engineer at Apple?
- While specific paths vary, a Cellular RF Software Engineer at Apple can progress by taking on more complex design challenges, leading RF firmware architecture efforts, or specializing in areas like power optimization or advanced algorithm development within the modem team.
- How does Apple foster innovation in its wireless systems technologies for roles like the RF Software Engineer?
- Apple fosters innovation by encouraging engineers to push technological boundaries, collaborate across diverse product development groups, and tackle challenging problems. The Cellular RF Software Engineer role is central to developing next-generation wireless systems that outperform previous iterations.