
Mercury Systems (New Jersey) Interview Questions
& Process
Real candidates share what happened, how many rounds they had,
and how the experience turned out.
Based on 30 interview experiences · FREE TO READ
Which role are you interviewing for?
7 roles · 30 reportsCandidate interview experiences
First-hand accounts from people who interviewed at Mercury Systems (New Jersey).
Software Engineer Trainee
They had me do an online assignment first which involved data structures, algorithms, and core Java OOP concepts. After that, I went through technical interviews. Then there was a behavior interview, similar to others I've had. Finally, I had my last interview with the hiring manager where we discussed my motivations, current situation, and how I understand their business model.
- I had to complete an online assignment with data structure and algorithm problems and core OOP Java concepts. Following that, technical interviews were conducted.
- Tell me about your motivations.
- What is your current situation?
Java Developer
It was a smooth process. First, I spoke with a recruiter over the phone about my background and education. Then, I had a take-home written test that I had 3 hours to complete. After that, there was a technical phone interview where they asked basic OOP and SQL questions, and also some questions related to my resume and current project. Finally, we discussed the job itself.
- Can you explain basic Object-Oriented Programming concepts?
- What are your SQL skills like?
- Tell me about your resume.
Engineering Manager
HR was the first point of contact and they were good, the phone interview was the first screening and they were flexible with timing. Then I was brought into the office to meet with leadership. They were friendly and seemed to know what they were looking for in a candidate, but the business environment doesn't seem to be in their favor right now.
- How would you contribute to the change in our business culture that leadership is looking to implement?
Full Stack Developer
So, first there was this take-home assessment with some JS and CSS coding questions, not too hard, kinda medium. Then, we had a technical round where they hit me with some Web Dev language questions. Lastly, I had to do a round of behavior-based questions with the HR and marketers.
- How do you handle situations with tight deadlines?
Mercury Systems (New Jersey) Interview Questions
Quoted word for word from Mercury Systems (New Jersey) interview reports.
“How would you write a SQL query to find the number of users in a database?”
Read reports →“Write a Core Java function that takes an array of strings and returns the longest common substrings.”
Read reports →“Write a Core Java function to find the maximum value in a list of integers.”
Read reports →“What is the difference between an interface and an abstract class?”
Read reports →“Design a Linked List using an Array Base”
Read report →“What is the result of "2" + 3?”
Read report →“Can you explain the difference between truncate and delete?”
Read report →“Can you find if a character appears more than half times of total?”
Read report →“Can you tell me the difference between an array and an ArrayList?”
Read report →Formats, difficulty and experience
Across all 30 Mercury Systems (New Jersey) interview reports.