Embedded Firmware Engineer
Posted 17 Jun 2026
Advertised as “Senior Embedded Firmware Engineer”
BranchFactor Summary
The original posting with the fluff stripped out
- Expected experience
- 10–12 yrs
- Management level
- Individual contributor
- Employment
- On-Site
- Contract
- Full-time
No salary listed for this role.
Field of studyComputer Engineering, Electronics (or related)
Study levelBachelor's or higher
Senior Embedded Firmware Engineer
About Lumilens
At Lumilens, we are building the critical photonics infrastructure that powers tomorrow’s AI supercomputing. From chip-to-chip optical interconnects to scalable photonic engines, Lumilens is unlocking a new era of computing—faster, cooler, and massively more efficient. Join our collaborative team to help shape the future of high-speed optical connectivity.
Position Overview
We are seeking a mid-senior level Embedded Firmware Engineer with 10-12 years of experience in networking and semiconductor domains, ideally with an optical background. The successful candidate will have hands-on development and design experience on 32-bit microcontrollers, preferably with ARM-based architectures, and will contribute to the creation and delivery of advanced embedded solutions.
Responsibilities
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Independently drive firmware design, development, and feature delivery for high-performance networking and optical semiconductor products
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Develop and maintain device drivers, real-time operating systems (RTOS) integration, and communication protocol implementations
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Design, code, test, and debug embedded firmware primarily in C for ARM-based controllers
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Collaborate closely with cross-functional teams including hardware, DSP, and software engineers
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Manage, configure, and optimize build environments and makefiles
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Contribute to design reviews, feature definition, and product delivery schedules
Required Qualifications
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Bachelor’s or Master’s degree in Electronics, Computer Engineering, or related field
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10-12 years of experience developing embedded firmware on 32-bit microcontrollers, preferably ARM architecture
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Strong knowledge of C programming, RTOS, device driver development, and communication protocols (e.g., SPI, I2C, UART, Ethernet)
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Experience in networking and semiconductor industries, ideally with exposure to optical technologies
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Solid understanding of DSP concepts and implementations
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Good knowledge of build environments and makefile management
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Demonstrated ability to independently manage tasks, drive designs, and deliver features
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Strong analytical, organizational, and communication skills