Interactive Brokers Software Engineer interview experience

No offer

Medium

Positive

MumbaiPosted Aug 2018 · Candidate report, summarized by Dataford

My interview journey started with an online test that mixed Java with J2EE-style knowledge and some quant multiple-choice questions.

After that, there was a predictive indexing behavioral round, which narrowed down the field significantly. I then moved to a longer pencil-and-paper written test that lasted about 2.5 hours and covered Java, algorithms, math, and DBMS.

Once the written stage was done, I faced face-to-face interviews with IB engineers for about an hour each, and later there was a final in-person meeting with an India head for roughly 45–60 minutes. Along the way, I noticed the Java focus stayed consistent: arrays, constructors, inheritance, and the math problems often felt like scenario-style questions

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