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Lumentum Failure Analysis Intern

San Jose, CA·174 interview reviews·Hard difficulty

64% positive72% applied onlinePosted today
Difficulty
3.8/ 5
Experience
Positive64%
Neutral23%
Negative13%
Interview Source
Applied online72%
Recruiter22%
Referral14%
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Failure Analysis Intern Interview Reviews

174
S
Failure Analysis Intern Candidate
Nov 20, 2026 · Seattle, WA
✗ No offerPositiveEasy

Just one round with 2 LC hards in 45 min. It wasn't too bad at all — if you've done a lot of LC you're gonna be fine. Make sure to check off your approach with the interviewer before you begin implementing.

Interview QuestionHard

Design Web Crawler - Design a distributed web crawling system

System Design
S
Failure Analysis Intern Candidate
Feb 13, 2026 · San Francisco, CA
✗ No offerPositiveAverage

Had a recruiter screen first, then a technical round focused on system design and coding. The interviewer was very professional and walked through the problem step by step. Good overall experience.

Interview QuestionMedium

Merge Intervals - Merge all overlapping intervals

Intervals
A
Failure Analysis Intern Candidate
Nov 19, 2026 · Austin, TX
✗ No offerPositiveAverage

Online assessment was difficult, but the final round technical was just 2 leetcode questions. Studying tagged questions and general leetcode helps a lot. Interviewer was friendly and wanted me to succeed.

Interview QuestionMedium

How do you handle tight deadlines and pressure?

Time ManagementBehavioral
S
Failure Analysis Intern Candidate
Jan 8, 2025 · Seattle, WA
✗ No offerNeutralAverage

Just one round with 2 LC hards in 45 min. It wasn't too bad at all — if you've done a lot of LC you're gonna be fine. Make sure to check off your approach with the interviewer before you begin implementing.

Interview QuestionMedium

Design Rate Limiter - Implement an API rate limiting system

System Design
A
Failure Analysis Intern Candidate
Nov 27, 2026 · Austin, TX
✓ OfferNeutralAverage

Applied online and heard back in about a week. The technical interview was 45 minutes with two coding problems. Focus on time complexity and edge cases. The behavioral portion was brief but important.

Interview Question

Two Sum variant and string manipulation

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About This Role

Focus Areas
Machine LearningPythonStatistics
Key Skills
Machine LearningPythonStatisticsAlgorithms
Details
CompanyLumentum
LocationSan Jose, CA
Postedtoday
TierEnterprise

Frequently Asked Questions

How hard is it to get hired as a Failure Analysis Intern at Lumentum?

The interview difficulty is rated 3.8/5 by candidates. 64% report a positive experience. Focus on Machine Learning, Python, Statistics to improve your chances.

How long does the Lumentum Failure Analysis Intern hiring process take?

The process typically takes 2–6 weeks from application to final decision, depending on the hiring cycle and team availability.

What is the interview process like?

Most candidates go through a recruiter screen, followed by technical coding rounds, and a final interview loop. 72% of candidates applied online.

What questions are asked in a Lumentum Failure Analysis Intern interview?

Common topics include data structures & algorithms (arrays, trees, graphs), system design, and behavioral questions using the STAR method. Practice with our AI mock interviewer to prepare.

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