Scantron Senior Software Engineer interview questions

I had two rounds of phone interview followed by 3 rounds of in person interview. In Phone interview they will test your datastructure and algorithm skills. They will give you problems and you have to solve them and code. Finally you have to communicate the code over the phone and they will give u the result immediately. In the face to face interview again the interview process is same. all they expect from the candidate is to code... code... and code without any hesitation.