Sr. Embedded Software Engineer

Infinitum Electric2.0★
Liberty Lake, WA
$130,000 - $160,000 / Year 
Senior level

Job Description

Sr Embedded Software Engineer

About Us

Infinitum has raised the bar for a new generation of motor that is better for the planet and people. The company’s patented air core motors offer superior performance in half the weight and size, at a fraction of the carbon footprint of traditional motors, making them pound for pound the most efficient in the world. Infinitum motors open sustainable design possibilities for the machines we rely on to be smaller, lighter and quieter, improving our quality of life while also saving energy and reducing waste.

Based in Austin, Texas, with a PCB manufacturing facility in Nashua, New Hampshire, and an RD facility in Liberty Lake, Washington, Infinitum is led by a team of industry experts and pioneers. Discover more at

Position: Sr Embedded Software Engineer

Location: Liberty Lake, WA (On-site)

Job Overview:

The Software Engineer reports to the Director of Technology and is responsible for the development and maintenance of the embedded firmware for our current and future power converters and integrated Axial Flux Permanent Magnet (AFPM) Machines. This is to be accomplished with only general directions from the Director of Electronics and the VP of Electronics.

Key Responsibilities:

  • Develop embedded software that implements control, protection and fault diagnosis of the power converters, inverters and AFPM motors.
  • Develop firmware code to validate highly integrated system including micro controller/processor, DSP, transceiver, and misc. interface circuits.
  • Develop test code/scripts to stress the product intensively, analyze result, exposure issues and fix bugs.
  • Implement low level drivers on bare metal or RTOS.
  • Work with hardware engineer to conduct network and mixed signal HW characterization tests using laboratory instruments.
  • Provide design and project support in the areas of regulatory and reliability.
  • Implement customer or application specific control functions and communication protocols.
  • Work closely with the hardware and control engineers to specify hardware input and output requirements.
  • Develop and optimize firmware for motor controls and power converters.
  • Create and maintain software design documentation.
  • Other functions as required (non-essential functions).

Qualifications and Skills:

Must-Have Skills:

  • Bachelor’s degree in electrical engineering, computer engineering, computer science, or a similar field or equivalent years of experience.
  • Master’s degree is preferred.
  • Requires a minimum of 5+ years of software engineering experience.
  • Must be familiar with motor control and power converters such as space vector PWM and field-oriented control.
  • High competency in embedded C programming.
  • Extensive experience in using communication protocols including UART, I2C, SPI and USB.
  • Experience working with real time operating systems.
  • Knowledge of modern ARM architectures.
  • Experience working with industrial protocols, especially Common Industrial Protocol (CIP), Modbus, and BACnet.
  • Experience in coding with TI C2000 MCU and ARM processors (>1 year).
  • Experience with software version control and bug tracking tools such as GIT system.
  • Problem-solving mindset, able to tackle challenges with limited standardization or information.
  • Excellent communication capabilities, both verbal and written.

Good-to-Have Skills:

  • RTOS experience.
  • Ability to understand electronic schematics and use debugging tools.


We have created a community at Infinitum, where everyone feels a sense of belonging and is working together to achieve our goals.

  • Comprehensive Health Coverage (Medical/Dental/Vision)
  • Short-Term Long-Term Disability Coverage
  • Health Savings Account (HSA) – includes employer contributions.
  • Flexible Spending Account (FSA) Limited Purpose Flexible Spending Account
  • 401(k) – Traditional and Roth
  • Stock Options
  • Open Paid Time Off (PTO)
  • 12 Paid Holidays
  • Potential Relocation Assistance
  • Flexible schedule – including hybrid possibilities
  • Company Paid Lunch on Fridays
  • Community Give-back Opportunities

Infinitum embraces diversity and is an equal opportunity employer.

Agency representatives, we appreciate your interest, but we've got this!

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Job Type: Full-time

Pay: $130,000.00 - $160,000.00 per year


  • 401(k)
  • Flexible schedule
  • Health insurance


  • Monday to Friday

Supplemental pay types:

  • Bonus opportunities

Application Question(s):

  • Will you now, or in the future, require sponsorship for employment visa status (e.g. H-1B visa status)?


  • Embedded software: 5 years (Required)
  • C: 5 years (Required)

Work Location: In person


  • 401(k)
  • Flexible schedule
  • Health insurance
  • Monday to Friday
  • Bonus opportunities
  • Will you now
  • or in the future
  • require sponsorship for employment visa status (e.g. H-1B visa status)?
  • Embedded software: 5 years (Required)
  • C: 5 years (Required)
Ref #
16 days ago
Last updated 16 days ago

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