Firmware Engineer – USB-C PD & ARM Cortex-M Bring-up

HIKINEX; Bellevue (WA); On-site; USD 120,000 - 180,000; Full time

Job summary

HIKINEX in Bellevue is seeking an embedded firmware engineer to bring up new hardware built around USB-C Power Delivery controllers. You will write and debug firmware on 32-bit ARM MCUs, configure companion ICs over I2C/SPI/UART, and work hands-on at the bench with the hardware team.

You will collaborate across design teams, perform board bring-up, implement USB-C/USB-PD behavior, and document configurations.

Qualifications

• Strong embedded C on 32-bit MCUs (ARM Cortex-M or similar): interrupts, register-level peripheral work, development under flash/RAM constraints

Responsibilities

• Bring up new PCBs: validate power/clocks, connect a debugger, enable peripherals, and get firmware running on new hardware
• Develop and debug embedded C firmware on ARM Cortex-M-class MCUs
• Configure and drive companion ICs over I2C or other peripheral buses
• Implement and debug USB-C / USB-PD behavior (power negotiation, source/sink roles, fault handling, etc.)
• Debug at the bench with oscilloscope, protocol/logic analyzer, multimeter, and SWD/JTAG
• Work from datasheets, register tables, and schematics
• Document configurations and design decisions
• Collaborate with hardware engineers to isolate hardware vs. firmware issues

Skills

Embedded C

ARM Cortex-M

USB-C/USB-PD

I2C/SPI/UART

Hardware bring-up

Bench debugging

Git

Tools

Oscilloscope

Logic Analyzer

Protocol Analyzer

SWD/JTAG

Job description

HIKINEX in Bellevue is seeking an embedded firmware engineer to bring up new hardware built around USB-C Power Delivery controllers. You will write and debug firmware on 32-bit ARM MCUs, configure companion ICs over I2C/SPI/UART, and work hands-on at the bench with the hardware team.

You will collaborate across design teams, perform board bring-up, implement USB-C/USB-PD behavior, and document configurations.