Johnson & Johnson Data Science Intern �
New Hope, PA·67 interview reviews·Medium difficulty
Data Science Intern � Interview Reviews
67The 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.
“Clone Graph - Create a deep copy of an undirected graph”
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.
“LRU Cache - Design a data structure for Least Recently Used cache”
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.
“Tell me about a time you disagreed with a decision and how you handled it”
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.
“Design Rate Limiter - Implement an API rate limiting system”
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.
“1 LC easy, 1 LC medium”
About This Role
Frequently Asked Questions
How hard is it to get hired as a Data Science Intern � at Johnson & Johnson?
The interview difficulty is rated 2.6/5 by candidates. 76% report a positive experience. Focus on Python, SQL, Statistics to improve your chances.
How long does the Johnson & Johnson Data Science 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. 68% of candidates applied online.
What questions are asked in a Johnson & Johnson Data Science 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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