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← Lightmatter

Sr. Physical Design Flow & Methodology Engineer

Lightmatter · Boston, MA

Infrastructureonsitesenior$154k–$175k
Apply on the lab’s site ↗

At a glance

Highlights

  • Build flows and automation to tape out high-performance ASICs.
  • Tackle design problems that are new to the photonics industry.
  • Help enable AI data centers with 3D-stacked photonics engines.

What they offer

  • Comprehensive Health Care Plan (Medical, Dental & Vision)
  • Retirement Savings Matching Program
  • Life Insurance (Basic, Voluntary & AD&D)
  • Generous Time Off (Vacation, Sick & Public Holidays)
  • Paid Family Leave
  • Short Term & Long Term Disability
  • Training & Development
  • Commuter Benefits
  • Equity grants (full-time employees)

Ideal candidate

A builder who loves writing code that makes other engineers more productive. You thrive in fast-paced, research-driven environments and want to shape how next-generation photonic chips get built.

Requirements

  • Bachelor's in Electrical Engineering, Computer Engineering or Computer Science plus 5+ years related experience
  • Contributed to at least one ASIC or mixed-signal chip through tapeout
  • Solid understanding of RTL-to-GDS flow including synthesis, P&R, CTS, STA and physical verification
  • Strong Python skills with working knowledge of TCL and shell scripting
  • Experience or strong interest in using AI coding assistants or LLM tools to automate engineering work
  • Able to collaborate across PD, RTL, verification, CAD and photonics teams in ambiguous, fast-paced environment
remote policy
Flexible, hybrid workplace model

Lab profile

About Lightmatter

Building 3D-stacked photonics engines connecting AI processors at light speed for data centers.

What they build

  • Passage™ 3D-stacked photonics engine
  • Photonic interconnects for AI / HPC data centers

Known for

  • Silicon photonics
  • 3D-stacked packaging
  • High-speed analog / mixed-signal design
  • Electro-optic systems

Key facts

  • Raised $400M Series D
  • $4.4 billion valuation
More about Lightmatter →
Apply on the lab’s site ↗

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