Sr. Physical Design Flow & Methodology Engineer
Lightmatter · Boston, MA
Infrastructureonsitesenior$154k–$175k
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
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