Lightmatter interview questions
Updated May 30, 2026Difficulty
Average
Experience
Mixed
How others got an interview
- 15%RecruiterRecruiter
- 5%OtherOther
- 5%Employee ReferralEmployee Referral
Interview search
27 interviews
Lightmatter interviews FAQs
- Glassdoor users rated their interview experience at Lightmatter as 51.9% positive with a difficulty rating score of 3.15 out of 5 (where 5 is the highest level of difficulty). Candidates interviewing for DFT Engineer and Director rated their interviews as the hardest, whereas interviews for Layout Designer and Engineer roles were rated as the easiest.
- The hiring process at Lightmatter takes an average of 42 days when considering 27 user submitted interviews across all job titles. To compare, the average duration of hiring at similar companies like BlackRock, Inc. is 14 days, Fabricated Software, Inc. is 2 days, and Apple Inc. is 21 days. Candidates applying for DFT Engineer had the quickest hiring process (on average 7 days), whereas Silicon Photonics Design Engineer roles had the slowest hiring process (on average 360 days).
- Common stages of the interview process at Lightmatter according to 27 Glassdoor interviews include:
Phone interview: 27%
One on one interview: 24%
Skills test: 14%
Group panel interview: 11%
Presentation: 9%
Personality test: 6%
Background check: 5%
Other: 2%
IQ intelligence test: 2%
Drug test: 2%
Here are the most commonly searched roles for interview reports -
- Software Engineer(3) ;
- Engineer(2) ;
- Senior Software Engineer(2) .
