Year-Long Technology Internship (Summer 2027-Spring 2028)
Posted Sep 21, 2026 · We last checked this listing on Oct 4, 2026
Likely interview questions for this role
Written from this job description, not a generic list. Each one notes what the interviewer is really checking.
About your past
Tell me about a project you built in Java or Python. What was the hardest bug you hit, and how did you find it?
What they are checking: Whether they have real hands-on coding experience and a methodical way of debugging.
Tell me about a time you had to learn a new technology quickly to finish something.
What they are checking: Whether they can teach themselves under time pressure, which a year-long internship will demand.
Tell me about a time a small detail you caught made a big difference in a project.
What they are checking: Whether they're detail-oriented in practice, which matters when mistakes affect live markets.
What would you do
You're stuck on a task for a full day and your mentor is busy. What do you do?
What they are checking: Whether they balance working independently with asking for help before they lose too much time.
A service you deployed is suddenly returning errors. What are the first few things you'd check?
What they are checking: Whether they have a sensible troubleshooting order like logs, recent changes and dependencies.
How do you balance a year-long internship with your coursework and other commitments?
What they are checking: Whether they've planned realistically for an internship that runs through a school year.
About the work
What's the difference between a platform engineer and a site reliability engineer, as you understand it? Which interests you more?
What they are checking: Whether they've thought about the two tracks this internship offers and have a reason for their preference.
How would you explain what a cloud service like a virtual machine or managed database does to someone non-technical?
What they are checking: Whether their cloud experience goes beyond buzzwords to real understanding of what the services do.
Write a quick function that reads a log file and counts how many errors happened each minute. How would you approach it?
What they are checking: Whether they can solve a small practical problem of the kind SRE work involves every day.
What Linux commands do you use most, and when would you use them?
What they are checking: Whether they're comfortable at a command line, which most infrastructure work requires.
Why does low latency matter so much for an electronic trading platform?
What they are checking: Whether they understand the business reasons behind CME's technology, not just the code.
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Practice this out loudThe full job description
As published by CME Group.