Multi-RAT (6G/5G/4G/3G/2G) modem development. This is a common job description. You may involve at least one or more topics in the following: (1) architecture planning 1.1 Modem/SoC TOP system architecture 1.2 Modem/SoC CPU system design 1.3 Modem/SoC DSP system design 1.4 Modem/SoC BUS system design (2) digital circuit design and verification 2.1 baseband modules 2.2 digital front-end modules 2.3 RF/mixed-mode digital control modules 2.4 Computer/network system modules 2.5 High speed interface design (3) IP integration 3.1 Clock/reset, test modeand low power mode design 3.2 floorplan and synthesis development (4) Design methodology 4.1 design flow enhancement (low power/verification/etc) 4.2 chip MP quality control flow