Johnson Controls Software Developer Intern
Westford, MA·205 interview reviews·Medium difficulty
Software Developer Intern Interview Reviews
205CodeSignal 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.
“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.
“Merge Two Sorted Lists - Merge two sorted linked lists into one sorted list”
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.
“Tell me about a time you disagreed with a decision and how you handled it”
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.
“Design Web Crawler - Design a distributed web crawling system”
About This Role
Frequently Asked Questions
How hard is it to get hired as a Software Developer Intern at Johnson Controls?
The interview difficulty is rated 3.2/5 by candidates. 62% report a positive experience. Focus on C/C++, Embedded Systems, Algorithms to improve your chances.
How long does the Johnson Controls Software Developer 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. 49% of candidates applied online.
What questions are asked in a Johnson Controls Software Developer 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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