•Develop boot and driver code for Apple SOC, including AP clusters, IO Co-Processor system, fabric, power management, memory and other I/O devices •Design, implement, and enhance Common Firmware Environment (CFE) and other platform software for Apple silicon validation organization.•Develop system software to exercise power saving feature (suspend and resume) •Contribute to SDRAM initialization and calibration development. •Implement firmware driver for PMIC and battery charging •Participate in the chip bring-up on simulator, emulation, FPGA and silicon•Develop applications covering system level use cases and functional features •Participate in SOC architecture, design specification and board schematics review