Campus Software Engineer (Intern)
Posted Aug 8, 2026 · We last checked this listing on Sep 20, 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.
Behavioral
Walk me through a project where you built something low-level from scratch instead of using an existing library. Why did you choose to do it that way?
whether the candidate genuinely enjoys building from first principles versus assembling components, which the posting explicitly values
Tell me about a time you had to learn a new area quickly, like networking or compilers, in order to finish a project. What did you do first?
ability and appetite to reach across hardware, networking, and OS layers as the role requires
Describe a project where you had to ship working code on a tight deadline as part of a team. What was your role and what happened when something broke?
comfort operating in a fast-paced, daily-deployment environment
Tell me about a time you disagreed with a teammate about how to design or implement something. How did you resolve it?
collaboration style and intellectual honesty in a team that says it values mutual respect and directness
What draws you to working on a large-scale distributed trading system specifically, given you don't need a finance background for this role?
genuine motivation and fit versus applying just for the compensation or brand name
Technical
Tell me about the last multithreaded program you wrote in C++ or Python. What kind of concurrency bugs did you run into and how did you find them?
real hands-on experience with threading models, not just textbook knowledge
Suppose you have a shared queue being read and written by multiple threads with strict latency requirements. How would you design the synchronization so it stays fast under contention?
depth of understanding of low-latency concurrent data structures, a core need for a trading platform
How does memory get allocated and reclaimed on a Linux system, and why might that matter if you're trying to avoid unpredictable pauses in a program?
understanding of OS internals and how they connect to performance, which the posting calls out directly
Explain the difference between a stack and a heap allocation and give me a case where choosing one over the other actually changed how your program behaved.
solid grounding in data structures and memory fundamentals
Have you used any AI coding tools like Claude Code in real projects? Walk me through a time one of them gave you a wrong or subtly broken suggestion and how you caught it.
whether the candidate uses AI tools critically rather than blindly trusting output, since agentic tools are central to this team
Situational
If I gave you a piece of code that is correct but too slow, how would you go about figuring out where the time is actually going before changing anything?
disciplined performance debugging habits rather than guessing at optimizations
Imagine you're a few weeks into a ten-week internship and your mentor gives you a piece of production code you don't fully understand, with a deadline in three days. What do you do?
how the candidate handles ambiguity and asks for help versus struggling silently
If your code passed all its tests but was still causing intermittent failures once deployed, how would you track down what's going on?
systematic debugging approach for issues that only appear in production-like conditions
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As published by Jump Trading.
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