Senior Firmware R&D Engineer
Core
Developing and optimizing embedded firmware for high-performance optical transceiver reference designs based on thin-film lithium niobate (TFLN) technology.
Role type
Senior Firmware R&D Engineer (Optical Transceivers)
Builds
Production-ready optical transceiver reference designs and firmware stacks for AI/datacom and hyperscale computing infrastructure.
Domain
Integrated photonics, optical communications, high-speed data interfaces.
Deliverable
production ML models | product features | infrastructure
Required skills
Embedded firmware development (C/C++), CMIS protocol implementation, I2C/I3C interface drivers, DSP integration, high-speed optical module debugging, system bring-up, CLI/GUI tool development.
Preferred skills
TFLN or silicon photonics experience, coherent detection or PAM4 systems knowledge, reference design development, MDIO/SPI interface familiarity, manufacturing test automation.
Technologies
C/C++, CMIS, I2C, I3C, DSP, QSFP, OSFP, Python.
Responsibilities
Design and maintain embedded firmware for IMDD and Coherent optical transceivers; implement CMIS-compliant firmware stacks; develop drivers for I2C and I3C interfaces; interface with DSPs for signal processing and tuning; bring up hardware and debug issues; develop internal diagnostic tools; ensure firmware reliability and standards compliance.
Seniority
Senior, hands-on IC
