Amazon Low Level Design Interview Round Questions

Amazon regularly takes low level design rounds for SDE-1,2 and even senior software engineer positions. Sometimes even bar raiser round can be a LLD round.

Design LRU cache, Design a parking lot, Design Unix “find” command for file search are common in Amazon interview round.
Also Design a pizza pricing system is asked frequently if you are in USA.

Below list is updated frequently . Reflects top Amazon LLD questions in last 6 months

Id	Title	Companies	Design Pattern	Difficulty
18.	Design Pizza Pricing System	Amazon LLD	Decorator	Medium
19.	Design Pizza Pricing System - Followup	Amazon LLD	Decorator	Medium
14.	Design Unix "find" command for file search	Amazon LLD	Strategy	Medium
15.	Design Unix "find" command - with boolean predicates	Amazon LLD	Specification	Hard
7.	Design a Parking Lot	Amazon LLD Microsoft Goldman Sachs	Strategy	Medium
165.	Design LRU Cache With Time Constraint	Google		Medium
168.	Design WhatsApp Read Receipts	Amazon LLD		Medium
172.	Design Backup System for a File Storage Service	Amazon LLD		Medium
178.	Design Digital Wellbeing System to Track App Screen Usage	Amazon LLD		Medium
16.	Design Locker Management System for Warehouse Packages	Amazon LLD		Medium
12.	Design expense sharing app like Splitwise	Salesforce Quince Flipkart		Medium
181.	Design Vending Machine Leasing System	Amazon LLD		Medium
1.	Design a Parking Lot - Multi-Threaded	Amazon LLD Microsoft Goldman Sachs		Medium
20.	Design Stock Trading Platform Like Zerodha, Groww	Amazon LLD		Medium
8.	Design Chess Game	Microsoft Salesforce Adobe	Factory	Medium
6.	Design a Hit Counter/Webpage Visits Counter - Multi-Threaded	Amazon LLD Adobe Atlassian		Medium
11.	Design a Simple Elevator System - Multiple Lifts	Microsoft Adobe Oracle	State	Hard
10.	Design a Movie ticket booking system like BookMyShow	Salesforce Microsoft Uber	Observer	Medium
21.	Design a Car Rental System	Amazon LLD Uber Flipkart		Medium
24.	Design Elevator Management System - Single Lift	Microsoft Adobe Oracle	State	Medium
27.	Design a Text Editor with Undo & Redo	Microsoft Google Amazon LLD	Command	Hard
4.	Design an order and inventory management system - Multi-Threaded	WayFair Intuit Tiktok		Medium
34.	Design a rate limiter	Atlassian Microsoft Oracle		Medium
41.	Design a Shopping Cart	PayPal Amazon LLD Walmart		Medium
43.	Design a Custom HashMap	PayPal Walmart Flipkart		Medium
81.	Design a Library Management System	Flipkart ClearTrip Amazon LLD		Medium
82.	Design Customer Loyalty Program for Ecommerce Website	Flipkart ClearTrip Amazon LLD		Medium
130.	Design Snake and Ladder Game	Goldman Sachs Amazon LLD Microsoft		Medium
11166.	Design File System	Amazon LLD Airbnb		Medium
10588.	Design In-Memory File System	Amazon LLD Airbnb		Hard
10631.	Design Excel Sum Formula	Amazon LLD Microsoft		Hard
10362.	Design Hit Counter	Google Amazon LLD Adobe		Medium

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Prashant Priyadarshi
Founder, MockGym