Graduate Software Engineer Interview Questions

3,306 graduate software engineer interview questions shared by candidates

Asked to design a FIFO "trading system" which was a Python class with 3 methods. Had a method to get the minimum value in the internal stack in O(1), required a monotonic stack. Asked to get k minimum values after, used a heap.
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Graduate Software Engineer

Interviewed at Bloomberg

4
Dec 8, 2025

Asked to design a FIFO "trading system" which was a Python class with 3 methods. Had a method to get the minimum value in the internal stack in O(1), required a monotonic stack. Asked to get k minimum values after, used a heap.

Q: If you receive a string of text such as AABBBCC, write a function that will remove any groups of three or more neighbouring identical letters. Examples: Input: AABBBCC Output: AACC Input AABBBACC Output: CC (Since it becomes AAACC after removing BBB)
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Software Engineer (Graduate)

Interviewed at Bloomberg

4
Apr 28, 2022

Q: If you receive a string of text such as AABBBCC, write a function that will remove any groups of three or more neighbouring identical letters. Examples: Input: AABBBCC Output: AACC Input AABBBACC Output: CC (Since it becomes AAACC after removing BBB)

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