Netflix Interview Questions

45 questions across 5 categories

Algorithms

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Find Closest Element in BST

Easy

Inorder Successor in BST

Medium

Longest Increasing Subsequence (LIS)

Medium

K Closest Points to Origin

Medium

Unique Paths

Medium

The 3n + 1 Problem (Collatz Conjecture)

Medium

Binary Tree Level Order Traversal

Easy

Search in a Binary Search Tree

Easy

Design Searchable Dictionary (Trie + DFS)

Hard

Behavioral

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What Do You Dislike in a Project

Easy

Managing Uptime and Reliability

Medium

Proudest Accomplishment

Easy

Trade-offs on Technical Debt

Medium

Handling Disagreement with Leadership

Hard

Leading a Successful Post-Mortem

Hard

Mentoring Through Failure

Hard

Dealing with Unplanned Work

Medium

Working with QA/Testing Teams

Easy

Balancing Speed and Quality

Medium

Handling Budget Overruns

Hard

Data Structures

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Insert into a Binary Search Tree

Easy

Shortest Distance to Character (Queue)

Easy

Design a Data Structure for Stock Prices (Heaps)

Medium

Design a Snake Game (2D Array/Queue)

Medium

Connect Next Pointers in Perfect Binary Tree

Medium

Invert Binary Tree

Easy

Top K Frequent Elements (Heap/Bucket Sort)

Medium

Product Strategy

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Should Netflix launch a free, ad-supported tier?

Hard

Improve Customer Retention for a Streaming Service

Medium

Competitive Analysis: Netflix vs. Disney+

Medium

Should Netflix offer a live sports package?

Hard

Should Netflix invest in user-generated short-form content?

Hard

Design a Feature to Manage Subscription Fatigue

Medium

Product Strategy: Addressing a Competitor's Price Cut

Medium

Ethical Use of AI in Content Recommendation

Hard

System Design

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Design a Subscription Management Service

Medium

Design a Simple ETL Pipeline

Medium

Design a Peer-to-Peer File Sharing System (BitTorrent)

Hard

Design a Server-Side Rendering (SSR) System

Medium

Design a Logging and Metrics Service

Medium

Design the YouTube Video Streaming Service

Hard

Design a Digital Rights Management (DRM) System

Hard

Design a Recommendation System (Netflix)

Hard

Design a System for Monitoring System Metrics (Prometheus)

Medium

Design a Machine Learning Model Deployment Service (MLOps)

Hard

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