Principal Electro-Optical IC Design Engineer

Boston or Mountain View

Posted on 5/14/2024



51-200 employees

Photonic AI computing platform and products

Data & Analytics
AI & Machine Learning


Cambridge, MA, USA

  • BSEE minimum, PhD preferred with 12+ years of analog and mixed-signal design experience
  • Hands-on experience with the design of high-performance low-noise linear TIAs and drivers for silicon photonics modulators at 112G and 224G PAM-4 data rates
  • Experience with developing mixed-signal products based on advanced FinFET foundry process nodes
  • Hands-on experience with Cadence design tools for circuit design and simulation including corner and Monte-Carlo simulations
  • Experience with multiple successful mixed-signal product designs released into volume production meeting target performance and yield requirements
  • Excellent understanding of design and layout techniques to optimize for speed, power including minimizing noise and crosstalk in high-performance circuits
  • Excellent understanding of noise, jitter, layout parasitics, mismatch, and design tradeoffs
  • Fluency in English Language, both written and verbal
  • Collaborate with product development teams to translate system-level requirements into electrical design specifications
  • Contribute to circuit-level assessments and design tradeoffs for high-performance electro-optic data links
  • Design high-speed data rate communications blocks including electrical SerDes, PLLs, CDRs, digital or analog equalizers, and optical transceivers
  • Integrate analog IP at the chip level
  • Define and run top-level verification and modeling of analog and mixed-signal systems
  • Define test plans (validation/characterization/debug)
  • Mentor junior engineers

Lightmatter is a photonic AI computing platform that pioneers in merging electronics, photonics, and algorithms to enhance large neural network operations and lessen environmental impacts. Their notable products like Envise, a machine learning accelerator, and Passage, a programmable photonic interconnect, set industry benchmarks. This firm offers a technologically advanced, sustainable workplace that stands at the forefront of AI and machine learning innovation, making it a prime choice for professionals eager to impact the cutting-edge sector of photonic technology.

Company Stage

Series C

Total Funding



Boston, Massachusetts



Growth & Insights

6 month growth


1 year growth


2 year growth