or apply directly on Lightmatter's site. We never take the application ourselves.
Is this posting real?
- This role has been open
- 81 days Lightmatter's roles stay open a median of 82 days
- Reposted
- No
- Salary listed
- No 10% of Lightmatter's roles list one
- Ghost-job risk at Lightmatter
- high 63 stale, 0 reposted of 63 open
- Hiring momentum
- 85 roles opened in the last 90 days ↑ up vs. the prior 90 days
- Last confirmed on the employer's board
- 2026-10-24
Measured from postings appearing on and disappearing from Lightmatter's own greenhouse board since 2026-08-03. Full hiring picture for Lightmatter.
About this role
As a Staff Photonics Design Engineer at Lightmatter, you will lead the development of the internal Process Design Kit (PDK) and create robust compact models for photonic components. Your work will involve developing a library of pcells, validating simulation models against lab measurements, and ensuring synchronization between physical layouts and behavioral models. You will heavily utilize Python for modeling and automation while implementing automated workflows and regression testing to maintain design integrity.
- benefits
- 5/5
- freshness
- 1/5
- career value
- 4/5
- role clarity
- 4/5
- pay transparency
- 0/5
Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Lightmatter as an employer.
What you need
- Master’s +5 years experience or PhD +3 years experience in Electrical Engineering, Photonics, Physics, or related field
- Deep understanding of photonic device physics and experience in device simulation
- Experience building behavioral models for circuit simulators (e.g., Lumerical INTERCONNECT, Cadence, Synopsys OptSim, or custom Python solvers)
- Experienced in Python for modeling, automation, and data analysis
- Python based layout experience
Nice to have
- Familiarity with GDSFactory, OptoCompiler, or KLayout Python scripting
- Experience with Python-native circuit simulation ecosystems (e.g., SAX, Photontorch, Simphony)
- Experience with Git version control, unit testing (pytest), and CI/CD workflows
- Prior experience in performing physical layout using foundry-provided process design kits (PDKs)
- Experience in taping out and testing large-scale photonic integrated circuits
What you get
- 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
Worth weighing
- No specific mention of company culture or team dynamics
- Salary range provided but total compensation details are somewhat vague
- Role involves significant responsibility in ensuring design integrity and validation against physical measurements
Summarised from Lightmatter's posting. Read the full original.
Listed by Lightmatter on their greenhouse job board, last confirmed open on 2026-10-24. PitchMeAI is not the employer.
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- Staff Photonics Design & PDK Modeling EngineerToronto, ON
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