Amazon — LLD / Machine Coding Questions

48 unique questions from real interviews

#	Question	Editorial	Video
1	Design a Ride matching Service (2x)
2	Design a service to find a rider for a quick commerce app-LLD (2x)
3	Design an offline download manager for a social media app (2x)
4	Design the classes and services for a Food Ordering system supporting search (2x)
5	Design a ATM system
6	Design a Banking System with the following requirements
7	Design a board game
8	Design a Calendar Application
9	Design a Chat Messenger like WhatsApp or Facebook Messenger
10	Design a Customer Issue Resolution System
11	Design a data structure in which you can store historical search terms and
12	Design a data structure similar to a HashMap
13	Design a data structure that supports adding new words and finding if a
14	Design a Distributed Cache (e
15	Design a File Storing System somewhat similar to https://leetcode
16	Design a Hotel Reservation System
17	Design a library to read a directory and perform operations such as
18	Design a low level / Machine coding of a package manager (yarn)
19	Design a low level of CDN push mechanism to edge nodes any new content in S3
20	Design a meeting planner for a calendar application
21	Design a memory allocator
22	Design a monitoring and alert generation system based on metric streams
23	Design a Movie Booking System
24	Design a notification service
25	Design a package interface and a package manager to install all necassary
26	Design a parking lot" or be ready if I do
27	Design a parking lot system (LLD)
28	Design a Pizza restaurant system
29	Design a Quick Commerce System
30	Design a Rate Limiter (2 times) – explained Token Bucket Algorithm
31	Design a Restaurant Booking System
32	Design a snake and ladder like game
33	Design a solution in OOD
34	Design a system for Hotel Reservation
35	Design a system that allows a user to calculate the price of a pizza based
36	Design a system to find a player\'s ID whose rank is closest to yours in an
37	Design a system where you are given list of words in dictionary example ("book"
38	Design a system which provides route map to pickup from huge number of
39	Design an Amazon Notification Service for price drop alerts
40	Design an e-commerce site
41	Design an E-commerce System (e
42	Design an event forwarding framework where event generated from a system(s)
43	Design an extensible solution to implement a search filter in OOD for a
44	Design an inventory management system with queuing for incoming requests
45	Design an IRCTC Booking System (Railway Reservation) – focus on booking
46	Design an \'n\' elevator system
47	Design an online food delivery system like Swiggy/Zomato
48	Design the Stack Overflow overall