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.
We’re a well-funded startup backed by Mayfield and led by veterans who’ve built and scaled some of the most transformative technologies in the industry. At Lumilens, we’re developing high-speed photonics products purpose-built to power the future of AI infrastructure and high-performance computing.
This isn’t incremental innovation, it’s a ground-floor opportunity to rethink the optical layer from the silicon up. You’ll work alongside a team of world-class engineers solving some of the hardest challenges in scaling optical systems. Every line of code, every design decision, every breakthrough you help deliver will shape the infrastructure of tomorrow.
If you're looking for mission, momentum, and the chance to make an outsized impact, jump on the rocket ship. We’re just getting started.
Position Overview
We are seeking an experienced technical leader to join our growing team and lead development of the embedded software for our high-speed fiber optical transceiver products. This position will work closely with other transceiver engineering disciplines for requirements analysis, design, implementation, and test of embedded software for our fiber optic transceiver products. You will work with our technical teams and help us to deliver our family of optical transceiver solutions to the market.
Key Responsibilities
- Lead software design, development and code reviews
- Develop high-quality C code in a real-time embedded environment
- Work with the cross functional teams to design, implement, & test embedded SW solutions
- Specify, design, implement, and test functionality and behaviors of embedded subsystems, including:
- Communication protocols using I2C/I3C interfaces
- Configuration of Microcontrollers, DSPs and Photonics components.
- State machines for system control, optical calibrations and data flow management.
- CMIS (Common Management Interface Specification) standards compliance
- Design software test strategies and collaborate with verification test teams
- Provide technical leadership for software developers and mentor engineers on the team
- Communicate and document software architectures, designs, and test plans.
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Participate in hands-on hardware bring-up, troubleshooting and failure analysis
- Bachelor’s degree in Electrical Engineering, Computer Engineering, or related field
- 10+ years of experience in embedded software development
- Strong proficiency in C, C++, and Python programming languages
- Strong software engineering fundamentals, such as abstraction, layering, modularization, and interface design, with a focus on delivering high-quality, reliable software
- Knowledge of photonics, optical communication systems and network infrastructure
- Experience with real-time operating systems (e.g., FreeRTOS)
- Experience using common test equipment, such as oscilloscopes, signal analyzers, protocol analyzers.
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Ability to read and understand schematic diagrams
- Competitive salary commensurate with experience Comprehensive benefits package including health insurance
- Professional development opportunities and certification support
- Access to cutting-edge technology and cloud platforms
- Collaborative work environment with cross-functional teams
- Lumilens is an equal opportunity employer. All qualified applicants will receive consideration without regard to race, color, religion, gender, identity, orientation, veteran status, disability, or any other legally protected status.
Senior Embedded Software Engineer
@ Embedd 
What we're looking for
At embedd.it, we power hardware-software integration in embedded devices. We turn fragmented semiconductor chip data into configurable digital twins, then deterministically generate code, tests, and documentation – making integration faster, cheaper, and resilient to supply chain shocks.
We’re looking for a true legend – someone with abstract thinking and deep expertise in low-level software development. You’ll build vendor-agnostic tooling for MCU and peripheral integration to solve hardware-software integration once and for all. We work at the intersection of embedded systems, code generation, compilers, and machine learning. It’s your chance to help redefine how low-level development is done.
Responsibilities
- Drive the architecture of the driver structures and system layout
- Define scalable patterns for cross-architectural integration across bare-metal, Zephyr, Linux, and other environments
- Deconstruct complex SoC device trees and translate hardware descriptions into structured internal models for automated reasoning
- Partner with the ML team to shape data and annotation models for AI-driven data-extraction tooling
Qualifications
- 5+ years of experience in embedded systems development, including bare-metal and RTOS-based systems
- Proficiency in C/C++
- Familiarity with firmware configuration, SoC bring-up, and system-level debugging
- Hands-on experience with code generation tools, or low-level compiler/decompiler/emulator technologies
- Strong background in embedded toolchains: compilers, linkers, debuggers, and build systems
- Python or scripting for automation and tooling is a plus
- Experience with functional-safety standards is a plus
Why embedd.it?
- Dynamic, venture-backed team of engineers challenging the status quo 🚀
- Work at the intersection of embedded systems, code generators, compilers, and ML 🤖
- Unusual challenges requiring out-of-the-box abstract thinking 🧠
- Competitive compensation: cash + equity 💰
- Remote work possible 🌍
About Us
embedd.it is a UK-based startup reinventing embedded development. Our platform transforms unstructured semiconductor data into structured digital twins, enabling automatic generation of drivers, tests, and documentation. We're building a single, traceable source of truth to make integration fast, vendor-agnostic, and future-proof.
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