Machine Learning Engineer Coding Interview Questions

Review this list of 100 Coding Machine Learning Engineer interview questions and answers verified by hiring managers and candidates.

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Design an indexer and a retriever
a year ago1 answer
Determine if a given binary tree is a binary search tree (BST).
+32 years ago11 answers
Given a string with parentheses, write a function that removes the minimum number of characters to balance the parentheses.
2 years ago1 answer
Sort Colors
+12 years ago
Calculate the trapped rainwater between bars in a given array.
+102 years ago16 answers
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Longest Increasing Subsequence
a year ago1 answer
Given a matrix of m x n elements (m rows, n columns), return all elements of the matrix in clockwise spiral order. Has video answer
2 years ago
Sudoku Solver
+3a year ago4 answers
Find the largest perimeter of an island given a two-dimensional array of 1's and 0's representing land and water.
2 years ago1 answer
Write a function that takes an array of integers and checks for duplicate values in any contiguous window of size N.
2 years ago1 answer
Implement Trie
+1a year ago3 answers
Transform an input string into a target tokenized sequence using a tree/graph-based algorithm. Embeddings must be simulated (no ML models allowed). Validate the final output.
8 months ago
Find the first common ancestor of two nodes in a binary tree.
8 months ago1 answer
Given a list of lexicographically sorted strings in an unknown language, derive the correct order of letters in that language's alphabet.
a year ago
Build a Basic Regex Parser
2 years ago2 answers
Build a compelling customer support bot using LangGraph on top of the provided fake SQL data for a music company.
a year ago
01 Matrix
2 years ago1 answer
Find the common ancestors in a tree. Has video answer
7 months ago
Find the lowest common ancestor (LCA) of two nodes in a binary tree.
+2a year ago9 answers
Given an array of points on a plane (x,y), write a function to return the distance between the closest pair of points.
2 years ago1 answer

Showing 61-80 of 100

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Machine Learning Engineer Coding Interview Questions

Design an indexer and a retriever

Determine if a given binary tree is a binary search tree (BST).

Given a string with parentheses, write a function that removes the minimum number of characters to balance the parentheses.

Sort Colors

Calculate the trapped rainwater between bars in a given array.

Longest Increasing Subsequence

Given a matrix of m x n elements (m rows, n columns), return all elements of the matrix in clockwise spiral order. Has video answer

Sudoku Solver

Find the largest perimeter of an island given a two-dimensional array of 1's and 0's representing land and water.

Write a function that takes an array of integers and checks for duplicate values in any contiguous window of size N.

Implement Trie

Transform an input string into a target tokenized sequence using a tree/graph-based algorithm. Embeddings must be simulated (no ML models allowed). Validate the final output.

Find the first common ancestor of two nodes in a binary tree.

Given a list of lexicographically sorted strings in an unknown language, derive the correct order of letters in that language's alphabet.

Build a Basic Regex Parser

Build a compelling customer support bot using LangGraph on top of the provided fake SQL data for a music company.

01 Matrix

Find the common ancestors in a tree. Has video answer

Find the lowest common ancestor (LCA) of two nodes in a binary tree.

Given an array of points on a plane (x,y), write a function to return the distance between the closest pair of points.

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