Amazon | Sr. Applied Scientist L6 | Phone Screen | June 2022
Anonymous User
868

YOE (in tech): 8
Education: BS Math, top 10 undergrad
Location: Remote

Recently, I had an hour long interview for a L6 (Senior) Applied Scientist (AS) role. It went well! Onsite interview is on the calendar.

Structure of the interview:

  • Intros
  • Leadership Principles (LPs)
  • ML breadth
    • Feature engineering
    • Ground truths
    • Bias/variance tradeoff
    • Regularization
  • ML depth
    • NLP

The last 15 minutes of the interview involved one coding/data structures & algorithms question similar to https://leetcode.com/problems/two-sum/ with a slight twist at the end: emitting all unique pairs that added up to the target, given a list of ints and a target int that they sum to.

Expectation was to solve in linear time.

Quick follow up in last 5 minutes of the interview was to solve the same question but in the three-sum format, i.e., emit all triples of ints that add up to a specific target. This is most similar to the https://leetcode.com/problems/3sum/ question.

Solved verbally rather than in code due to lack of implementation time.

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