I can't really answer this because of the NDA that was signed.
Graduate Software Developer Interview Questions
1,326 graduate software developer interview questions shared by candidates
3 object oriented breakdowns What is inheritance? What is encapsulation? What is polymorphism? How do you distinguish a class? What is your understanding of scrum? What is your understanding of agile? How would you check all dates in the visual pages a customer sees on the website have been updated to the new year? Something about error404
Q: Why are you choosing Optiver
What is the use for Atomic operation in multiprocessing?
Basic questions about what's on the CV
How many lampposts are there in the U.K.?
Given 25 horses that you can race 5 at a time, how many races do you need to run to determine the 3 fastest horses?
Why do you want to be a software developer
Many questions were about finding English words that fit a certain pattern.
The test was pretty hard, and contained a lot of questions asking you to guess words (there is a sample on their website). I spent most of my time working on the logic questions when I was preparing for the test (e.g. find patterns of graphs), but actually they got a lot more variety of questions. I would suggest non-native speakers spend more time preparing word questions, and get familiar with with the mathematical terminology if you are not a STEM student.
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