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Netflix DevOps Engineer Coding Questions

36 practice questions for Netflix DevOps Engineer interviews

Netflix DevOps engineer interviews cover CI/CD pipelines, infrastructure as code, container orchestration, monitoring, and incident response procedures.

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coding Easy Verified Question #1

1. Label Co-occurrence Finder


Category: String coding problem
You are given a list of label groups and a list of required labels. Each group is a list of strings. A group is considered valid if it contains every...
Input: Array of strings
Output: Array
coding Medium Verified Question #2

2. Region Grid Coloring


Category: Grid/matrix coding problem
You are given an M x N grid of security zones. Each cell contains one of the following values: - 1 -- the zone is cleared - 0 -- the zone...
Input: 2D grid
Output: Computed result
coding Medium Verified Question #3

3. Parallel Task Batching


Category: Graph coding problem
A pipeline must execute a set of tasks with dependency constraints. Each dependency [A, B] means task A must complete before task B can start....
Input: Graph (nodes and edges)
Output: Computed result
coding Medium Verified Question #4

4. Maximum Interval Overlap


Category: Interval-based coding problem
You are given a list of closed intervals on the number line, where each interval [start, end] includes both endpoints. Find the maximum number of...
Input: List
Output: Integer
coding Hard Verified Question #5

5. Interval Coverage Counter


Category: Interval-based coding problem
Given a list of closed intervals on the integer number line, build a data structure that efficiently answers point-coverage queries. A closed...
Input: List
Output: Computed result
coding Easy Verified Question #6

6. [CodeSignal] Movie Group Ranker


Category: Array coding problem
You are building a movie recommendation system. Given a source movie a user liked, you receive: - An array scores where scores[i] is the...
Input: Array
Output: Integer
coding Easy Verified Question #7

7. [CodeSignal] One-Hot Encoder


Category: Matrix coding problem
Given an integer array arr, return its one-hot encoded matrix as a 2D array. In a one-hot encoding: - Each row represents one element from arr. -...
Input: Matrix (2D array)
Output: Computed result
coding Medium Verified Question #8

8. Event Rate Limiter


Category: String coding problem
Design a rate-limited event logger for a streaming system. Events arrive in non-decreasing timestamp order. The system must suppress an event name if...
Input: String
Output: Printed output
coding Medium Verified Question #9

9. Viewing History Friends


Category: Algorithm coding problem
A streaming platform groups customers together based on shared viewing habits. You receive: - customerIds - a list of distinct customer IDs -...
Input: List
Output: Array
coding Hard Verified Question #10

10. Weight-Based Cache


Category: String coding problem
# Weight-Based Cache
Input: List
Output: Computed result

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