Photonium
https://www.photoniumoptics.comAI-Driven Optical System Design
Photonium automates optical system design. Think of us as Cadence or Synopsys chip design automation, but for optics instead of semiconductors. We handle the full design workflow—from optimization and verification to sourcing—for industries including quantum, biomedical imaging, LiDAR for autonomous vehicles and defense, and metrology for semiconductor fabrication.
Total Open and Closed Positions
Total open positions, and positions newly closed since the previous update
Department Headcount Over Time
Open positions per department · top 6 at any point in the window
Newly Opened and Closed Positions
Position Churn Rate
Positions closed within 14 days of opening · a high rate suggests posting instability — duplicates, pulled listings, or roles filled through internal or off-market channels
Time-to-Fill Distribution
Days from open to close · closed positions only
Salary Trend Over Time
Monthly median base salary · USD · annualized · p25/p75 dashed
Salary Range by Department
Employment Type
Technical vs. Non-technical
Open positions · by department
Top Roles by Department
Seniority Mix
Derived from job title keywords
Equity Range by Department
Top Skills
Top Tech Stacks
Skills Trend
Change in share of postings · recent 3 months vs. prior 3 months
Tech Stack Evolution
Positions opened per month · top 5 technologies