HRL Laboratories LLM & Agentic AI Research Intern �
Calabasas, CA·28 interview reviews·Medium difficulty
LLM & Agentic AI Research Intern � Interview Reviews
28Straightforward — just 2 medium leetcode-tagged problems in 45 minutes. Very fast paced though so be aware of time. A few follow-up questions for the interviewer at the end. No behavioral questions.
“LRU Cache - Design a data structure for Least Recently Used cache”
CodeSignal online assessment, then one 45-minute interview. Interviewer was friendly and helpful. 2 leetcode questions then 5 minutes for any questions I had. Got my results in a few days.
“Design TinyURL - Design a URL shortening service like bit.ly”
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.
“Describe a time when you had to learn something quickly to complete a project”
The process was pretty straightforward. It started with an online assessment, followed by a phone screen, and concluded with a final interview round that had two LeetCode medium difficulty problems.
“Rotate Image - Rotate an N x N matrix by 90 degrees clockwise in-place”
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.
“LeetCode question, difficulty was around a medium”
About This Role
Frequently Asked Questions
How hard is it to get hired as a LLM & Agentic AI Research Intern � at HRL Laboratories?
The interview difficulty is rated 2.9/5 by candidates. 71% report a positive experience. Focus on Machine Learning, Python, Statistics to improve your chances.
How long does the HRL Laboratories LLM & Agentic AI Research 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. 54% of candidates applied online.
What questions are asked in a HRL Laboratories LLM & Agentic AI Research 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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