Software Engineer, Early Career
Posted Oct 2, 2026 · We last checked this listing on Oct 6, 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 the most technically challenging thing you've shipped in your current job.
What they are checking: Whether their one to three years of experience includes real ownership of meaningful work.
Tell me about a time you worked with a non-technical stakeholder to define what to build.
What they are checking: Whether they work well with traders and quants who are not engineers.
What's something you'd do differently in your current codebase if you were starting over?
What they are checking: Whether they reflect on design choices and learn from the systems they've worked in.
Why do you want to move from your current role into trading technology?
What they are checking: Whether they understand the work and have a real reason to want it.
What would you do
You notice a part of the trading platform is fragile and nobody owns it. What do you do?
What they are checking: Initiative to spot problems and take them to the next level, as the posting asks.
How do you handle a production bug that only shows up under heavy load?
What they are checking: Debugging approach for issues that depend on timing and concurrency.
About the work
Design a service that receives market data updates and keeps an order book current for many instruments.
What they are checking: Whether they can design for speed and correctness in a realistic trading problem.
In Java, how does garbage collection affect latency, and what would you do about it?
What they are checking: Awareness of runtime behavior that can hurt performance in trading systems.
In C++, when would you avoid dynamic memory allocation, and how?
What they are checking: Understanding of allocation costs and techniques like pools in performance-sensitive code.
Walk me through how you would review a teammate's pull request.
What they are checking: Their standards for code quality, testing and clear feedback in a shared codebase.
Given an array of prices, find the maximum profit from one buy and one sell.
What they are checking: Clean algorithm skills and the ability to reach a linear time solution.
Practice this interview out loud.
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Practice this out loudThe full job description
As published by IMC Trading.