Johnson & Johnson Data Science Intern �
New Hope, PA·21 interview reviews·Medium difficulty
Data Science Intern � Interview Reviews
21Applied 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.
“Binary Tree Vertical Order Traversal - Return vertical order traversal of nodes”
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.
“Design Rate Limiter - Implement an API rate limiting system”
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.
“How do you handle tight deadlines and pressure?”
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.
“Valid Parentheses - Determine if the input string has valid bracket pairs”
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. 69% 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. 54% 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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