Senior Embedded Firmware Engineer

Responsibilities

• Independently drive firmware design, development, and feature delivery for high-performance networking and optical semiconductor products
• Develop and maintain device drivers, real-time operating systems (RTOS) integration, and communication protocol implementations
• Design, code, test, and debug embedded firmware primarily in C for ARM-based controllers
• Collaborate closely with cross-functional teams including hardware, DSP, and software engineers
• Manage, configure, and optimize build environments and makefiles
• Contribute to design reviews, feature definition, and product delivery schedules
• Required Qualifications
• Bachelor's or Master's degree in Electronics, Computer Engineering, or related field
• 10-12 years of experience developing embedded firmware on 32-bit microcontrollers, preferably ARM architecture
• Strong knowledge of C programming, RTOS, device driver development, and communication protocols (e.g., SPI, I2C, UART, Ethernet)
• Experience in networking and semiconductor industries, ideally with exposure to optical technologies
• Solid understanding of DSP concepts and implementations
• Good knowledge of build environments and makefile management
• Demonstrated ability to independently manage tasks, drive designs, and deliver features
• Strong analytical, organizational, and communication skills
• Why Join Lumilens?
• Work at the forefront of AI, networking, and optical semiconductor technology
• Collaborative and innovative environment
• Opportunities for career growth
• Competitive salary and comprehensive benefits package
• Lumilens is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, or any other protected characteristic.

Additional Information

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.

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