Alarm.com Device Engineering Intern
Vienna, VA·190 interview reviews·Easy difficulty
Device Engineering Intern Interview Reviews
190CodeSignal 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.
“Binary Tree Vertical Order Traversal - Return vertical order traversal of nodes”
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.
“Longest Substring Without Repeating Characters - Find the length of the longest substring without repeating characters”
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.
“Tell me about a time when you had to work with a difficult team member”
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”
About This Role
Frequently Asked Questions
How hard is it to get hired as a Device Engineering Intern at Alarm.com?
The interview difficulty is rated 2.1/5 by candidates. 64% report a positive experience. Focus on C/C++, Embedded Systems, Algorithms to improve your chances.
How long does the Alarm.com Device Engineering 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. 63% of candidates applied online.
What questions are asked in a Alarm.com Device Engineering 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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