> Markdown version of [/jobs/ext/2125909-principal-embedded-firmware-software-engineer](https://www.wearedevelopers.com/jobs/ext/2125909-principal-embedded-firmware-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal Embedded/Firmware Software Engineer - **Company:** Stellent IT LLC - **Location:** Belmont, MA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** C (Programming Language), Firmware, Real-Time Operating Systems, Software Requirements Analysis, Systems Integration, PIC Microcontroller, Real Time Systems, Bare Metal - **Published:** August 19, 2026 - **Apply:** https://www.careerjet.com/jobad/usda978b05dedc4f2c6885abefee9884fd ## About the Role We are on the lookout for a Principal Embedded/Firmware Software Engineer with at least 10+ years of applied (real-world) experience in the medical device domain (Class II or Class III) for a full-time (onsite) opportunity in the Belmont, MA area. Seeking someone with strong C programming, RTOS, low-level (bare metal/microcontrollers), documentation, software requirements, and system integration/verification/testing! Targeting US citizens and Green Card/Permanent Residents, as sponsorship is unavailable. Qualified applicants MUST possess extensive experience in the following areas: - C - Real-Time programming (RTOS) - Low level - bare metal / microcontrollers - Documentation - Software requirements - Risk analysis - System integration / verification / testing - Troubleshooting at system level (hardware/mechanical & electrical issues) It's a full-time role. If you feel that you have a strong qualified candidate with solid job stability, is local, and is a US citizen or Green Card/Permanent Resident with extensive medical device experience, please share. I will let you know if they meet the minimum requirements and we can proceed from there. ## Related Videos - [For the Cars and the Curious: Android Drift](https://www.wearedevelopers.com/videos/499-for-the-cars-and-the-curious-android-drift) - [Single Server, Global Reach: Running a Worldwide Marketplace on Bare Metal in a Cloud-Dominated World](https://www.wearedevelopers.com/videos/1206-single-server-global-reach-running-a-worldwide-marketplace-on-bare-metal-in-a-cloud-dominated-world) - [Playing Pong on a shoulder press machine](https://www.wearedevelopers.com/videos/100140-playing-pong-on-a-shoulder-press-machine) - [More efficient software for more efficient microchips](https://www.wearedevelopers.com/videos/1164-more-efficient-software-for-more-efficient-microchips) - [Software stack under and over the hood of the fastest accelerating car in the world](https://www.wearedevelopers.com/videos/221-software-stack-under-and-over-the-hood-of-the-fastest-accelerating-car-in-the-world) - [Software defines the vehicle: Why customers and developers will love cars even more](https://www.wearedevelopers.com/videos/1114-software-defines-the-vehicle-why-customers-and-developers-will-love-cars-even-more) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [Is Software Engineering Hard?](https://www.wearedevelopers.com/magazine/448-is-software-engineering-hard) - [How Much Does a Software Engineer Make? Realistic Software Engineering Salaries](https://www.wearedevelopers.com/magazine/425-how-much-does-a-software-engineer-make-realistic-software-engineering-salaries)