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Explore questions associated with Microsoft. Review the source details, then use the workspace for code, notes, and diagrams.
430 questions in the library. A source association does not guarantee a future interview question.
Behavioral and leadership · Coding · Machine learning · ML system design · Object-oriented design · Other questions · Practical engineering · System design
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Showing 26–50
Companies: Microsoft
Authentication & Authorization · System Design · System Design Fundamentals
Last reported Sep 2026
Companies: Microsoft
System Design · System Design Fundamentals
Last reported Sep 2026
Companies: Microsoft
Data Structure Design · System Design
Last reported Sep 2026
Given N locks and a set of operations (each with a time cost) that can simultaneously change the state of a subset of locks, find…
Companies: Microsoft
Last reported Sep 2026
Design a system that automatically identifies flaky tests in a CI pipeline and prevents them from unnecessarily blocking users from deploying their code.
Companies: Microsoft
Last reported Sep 2026
Present and walk through the design of a real system you have previously worked on, explaining your architectural decisions, trade-offs, and how you addressed key…
Companies: Microsoft, Amazon, OpenAI, Oracle +1
Last reported Sep 2026
Design an in-memory key-value store that supports multiple data structures (sorted sets, lists, etc.) and can be configured with different eviction strategies like LRU, LFU…
Companies: Microsoft, Fampay, Goldman Sachs
Last reported Sep 2026
Implement a HashMap for integer keys/values without using built-in hash table libraries that supports put, get, and remove operations. The core challenge is to design…
Companies: Microsoft, Anduril, Canva, Chewy +2
Array · Design · Hash Function · Hash Table
Last reported Sep 2026
Group the input strings into lists of anagrams — i.e., strings that contain the same multiset of letters — and return the groups in any…
Companies: Microsoft, Amazon, Apple, Arize Ai +14
Array · Hash Table · Sorting · String
Last reported Sep 2026
Given an m x n grid, return the length of the longest strictly increasing path you can make by moving up/down/left/right; the core challenge is…
Companies: Microsoft, Meta, Snapchat
Last reported Sep 2026
Companies: Microsoft
Last reported Sep 2026
Design a metrics monitoring platform that collects performance data (CPU, memory, throughput) from hundreds of thousands of servers, allows users to set threshold-based alerts…
Companies: Microsoft, Amazon, Databricks, Digitalocean +10
Last reported Aug 2026
Companies: Microsoft, Amazon, eBay, Headout +5
Last reported Aug 2026
Design a data structure that supports incrementing and decrementing string counts (removing keys when their count drops to zero) and can return any key with…
Companies: Microsoft, Atlassian, LinkedIn, Meta +2
Design · Doubly-Linked List · Hash Table · Linked List
Last reported Aug 2026
Design a hit counter that records timestamps of hits and returns the number of hits in the past 5 minutes (300 seconds). The challenge is…
Companies: Microsoft, Adyen, Apple, Cisco +5
Array · Binary Search · Data Stream · Design
Last reported Aug 2026
Companies: Microsoft
ML System Design
Last reported Aug 2026
Design a data structure that maintains a dynamic set of half-open intervals supporting addRange (insert and merge overlaps), removeRange (subtract and split intervals), and…
Companies: Microsoft, Google
Last reported Aug 2026
Companies: Microsoft
System Design · System Design Fundamentals
Last reported Aug 2026
Compute the sum of every node's tilt in a binary tree, where a node's tilt is the absolute difference between the sum of values in…
Companies: Microsoft
Last reported Aug 2026
Companies: Microsoft
System Design
Last reported Aug 2026
Companies: Microsoft
System Design
Last reported Aug 2026
Companies: Microsoft
Real-Time Systems · System Design
Last reported Aug 2026
Companies: Microsoft
System Design · System Design Fundamentals
Last reported Aug 2026
Companies: Microsoft
System Design · System Design Fundamentals
Last reported Aug 2026
Companies: Microsoft
System Design · System Design Fundamentals
Last reported Aug 2026