Job Description

Embedded Software Engineer

As an Embedded Software Engineer at Lumafield, you will be a key contributor to the systems group responsible for the embedded software that powers our industrial CT scanners. You'll work across the software stackfrom low-level firmware on microcontrollers to Linux-based applications that interface with sensors, motor controls, and the cloud. This role is ideal for candidates looking to grow their embedded systems expertise in a high-impact environment. While prior experience is important, we value curiosity, practical engineering ability, and a commitment to building robust systems. You'll also play an important part in testing and validation, helping ensure that our embedded systems meet stringent reliability and quality standards expected in both R&D and manufacturing contexts. This role is located in Lumafield's Cambridge, MA office. You may be required to travel occasionally to between the two offices, and visit our factory in Everett, MA.

What You'll Do:

• Develop and maintain automated QA test infrastructure to validate hardware-software integration
• Participate in manual validation and debugging using lab tools (oscilloscope, soldering, harness building)
• Collaborate closely with electrical, mechanical, and software teams to ensure end-to-end system reliability
• Write and maintain embedded software in Python and C for our Linux-based scanner systems
• Build and deploy software and operating system components to embedded devices
• Write low-level firmware in C for STM32 microcontrollers, including motor and sensor interfaces
• Prototype and integrate new hardware peripherals using your driver development and debugging skills
• Support field deployments and help resolve scanner performance issues through test-driven problem solving

About You:

• Bachelor's degree in Electrical Engineering, Computer Engineering, Computer Science, or similar
• 12 years of experience in embedded systems, firmware, or systems software (including internships)
• Proficiency in Python and C
• Strong grasp of software engineering fundamentals (version control, testing, modular design, PR reviews)
• Strong familiarity with Linux: command-line usage, system debug, and configuration
• Interest in QA practices, test development, and system validation techniques
• Excellent communication and collaboration skills; able to work cross-functionally

Bonus Points For:

• Experience with Agile development practices
• Familiarity with OTA (Over-the-Air) firmware update systems
• Skills in mechatronics, mechanical prototyping, or electronics assembly
• Knowledge of image processing pipelines or image acquisition system

Lumafield offers both competitive cash and equity compensation, as well as a health & wellness stipend, 401k, parental leave, flexible PTO, commuter benefits, company wide events and more! Lumafield is committed to building a team that represents a variety of backgrounds, perspectives, and skills, because the more inclusive we are, the better our work will be. Do you feel like your skills don't meet every single requirement listed? We encourage you to apply anyway If you're excited about our technology, the opportunity, and are eager to learn more we'd love to hear from you! In keeping with our beliefs and goals, no employee or applicant will face discrimination or harassment based on: race, color, ancestry, national origin, religion, age, gender, marital domestic partner status, sexual orientation, gender identity, disability, genetic information or veteran status.

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