Embedded 5G/4G Cellular Physical Layer Data Path Signal Processing Firmware Engineer

Apple is seeking an Embedded 5G/4G Cellular Physical Layer Data Path Signal Processing Firmware Engineer to join their Hardware team in Sunnyvale. This role sits at the intersection of embedded systems and cellular technology, focusing on implementing critical 3GPP digital signal processing algorithms with strict performance requirements.

The position involves working with specialized cellular ASIC hardware to develop firmware for various 3GPP channels and procedures, including PDCCH, PDSCH, PBCH, PUCCH, PUSCH, and PRACH UL/DL HARQ. The engineer will also work on advanced signal processing implementations such as channel estimation, interference cancellation, and beam measurement.

This is an opportunity to work at Apple, where innovation and individual creativity come together to create products that change lives. The role requires someone who is comfortable with embedded software development, has strong firmware experience, and can adapt to evolving requirements. The ideal candidate will have both hardware programming understanding and signal processing expertise.

The position offers competitive compensation ranging from $143,100 to $264,200, along with comprehensive benefits including medical coverage, stock options, and education reimbursement. The role requires 3+ years of relevant experience and deep expertise in software engineering principles, particularly in C/C++ and embedded systems.

As part of Apple's hardware team, you'll collaborate with systems engineers to optimize algorithms, develop pre-silicon emulation systems, and define methodologies for superior power, performance, and cost. This role is perfect for someone who wants to be at the forefront of cellular technology development while working on products that impact millions of users worldwide.