Research Engineer Interview Questions

2,800 research engineer interview questions shared by candidates

General C++ questions: exceptions in constructors / stack unwinding, step-by-step creation of objects (order of constructors & members initialization), virtual inheritance. Specific question - can you use 'auto_ptr' in vectors?

General C++ questions: exceptions in constructors / stack unwinding, step-by-step creation of objects (order of constructors & members initialization), virtual inheritance. Specific question - can you use 'auto_ptr' in vectors?

ML Questions: Q. Write an ML algorithm for a step function (explain loss, hyperparameters, etc) Q. You have a dataset of demographic features and want to do income group prediction, what will be the preprocessing, model, metrics, etc? Q. How does the Transformer work? How does attention work? Q. What are vanishing gradients? How do you solve them? Q. Design an ML system to separate different threads of conversations in a single group of multiple people
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Research Engineer

Interviewed at Bloomberg

4
Mar 18, 2022

ML Questions: Q. Write an ML algorithm for a step function (explain loss, hyperparameters, etc) Q. You have a dataset of demographic features and want to do income group prediction, what will be the preprocessing, model, metrics, etc? Q. How does the Transformer work? How does attention work? Q. What are vanishing gradients? How do you solve them? Q. Design an ML system to separate different threads of conversations in a single group of multiple people

Leetcode Questions: Q. Given an input stream of words, print top k words (with the highest frequency) at any time. Q. Given an input buffer of processes with different start and end times, print them in the order of their end times.
avatar

Research Engineer

Interviewed at Bloomberg

4
Mar 18, 2022

Leetcode Questions: Q. Given an input stream of words, print top k words (with the highest frequency) at any time. Q. Given an input buffer of processes with different start and end times, print them in the order of their end times.

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