My job experience in this position includes:
Circuit design (I2S, SDRAM, UART, SPI, I2C, RS232, RS485, AES/EBU, SPDIF, BT, FPGA, ARM, HDMI, USB)
PCB design (BGA, 2-6 layers, RF)
Embedded C (ARM M3/M4, STM32, RTOS, Bare Metal, Audio DSP)
Consulting
Product owner position
Writing reports for grants
Microwave/Radio frequency designs(including antennas, filters, diplexors)