Interactive Brokers Software Engineer interview experience

Got offer

Medium

Positive

Chicago, ILPosted Oct 2015 · Candidate report, summarized by Dataford

My interview path started with HR and then moved into a technical phone screen focused on basic Java.

After clearing that, I ended up going through multiple on-site rounds—one of them included a paper-based question, and there was also a coding problem tied to a specific prompt, plus resume-based discussion and another HR conversation.

The on-site structure felt fast and task-heavy. I remember doing timed Java question blocks alongside math problems like probability and combinatorics, with a lot of things happening in a short window. During the Java portion, I got the sense they preferred a clear, brute-force approach over something clever but harder to follow. Even though I was asked about

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