hirly

Thirdpoleinc

Principal Embedded Software Engineer

Waltham, MA

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Role family
Engineering
Seniority
Lead / management
Country
US
Work mode
On-site / unstated
First seen by hirly
2 Sept 2026

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the posting

Third Pole is on a mission to expand the lifesaving benefits of Nitric Oxide inhalation therapy, making it accessible to millions of respiratory challenged newborns and adults around the world. This is a rare opportunity to be part of a rapidly growing team, making a huge social impact, touching the lives of those we love and care about most.

We are a fast-paced startup developing a game-changing technology that generates Nitric Oxide on demand, at the patient location, from the air we breathe. Our Third Pole community is grounded in the values of collaboration, embracing diverse ideas, commitment, and transparency without the politics found in most companies. Our motto is we are only successful if we all cross the finish line together! Sound like you?

The Principal Software Engineer provides expertise in the design, development, characterization, and testing of complex software/firmware used to drive and manage complex electromechanical medical devices. In this role you will interface with a strong multidisciplinary team across the full product development life cycle including requirements, risk, implementation and testing activities. This position is full-time onsite in Waltham, MA.

Responsibilities:

Collaboratively work with Systems Engineering to translate system level requirements into product architectures making tradeoff decisions regarding hardware and software partitioning

Uses modeling, hardware-in-the-loop simulation and actual devices to develop, debug and test complex systems to meet required performance

Develop software subsystem architectures aligned to product level requirements and architectures including software requirements definitions and sub-system designs

Design and develop software/firmware utilizing C and C++ on embedded real time operating systems (RTOS) following company and industry requirements and best practices

Performs advanced risk analyses using FMEA and fault tree methods. Works with other engineering disciplines to develop, implement, and verify solutions

Perform software verification including code reviews, writing unit test cases, and running static analysis

Document system design inputs and outputs using the Third Pole’s design control and document management system

Evaluates product performance on an on-going basis and initiates and evaluates required changes to the designs to improve and optimize performance

Solve complex software issues by analyzing critical factors and recommending corrective or alternative actions

Ensures adherence to company quality system, product specifications, industry standards, and quality and regulatory procedures and requirements

Maintains accurate documentation of concepts, designs, drawings, and processes through lab notebooks or other methods

Requirements:

Bachelor’s Degree in Software or Electrical Engineering. Master’s degree preferred.

10+ years Software Engineering experience in the design and development of complex, real time software driven electromechanical Class II medical devices in C and C++; Class III experience preferred

Detailed knowledge of key regulatory requirements included ISO 13485, ISO 14971, ISO 62304 as well as FDA QSR 21 CFR Part 820

Recent microcontroller experience

Experience with electronic design control and document management systems preferred

Ability to work independently with high competency and little guidance.

Must be a creative problem solver that can think outside of the box to develop novel solutions to complex problems

Must be able to work in a fast paced, high energy, collaborative team that possesses a strong sense of urgency

Strong design control and documentation skills

Strong analytical and leadership skills

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Principal Embedded Software Engineer at Thirdpoleinc — hirly