InterviewDigestSystem Design Questions
22 real questions extracted from System Design rounds.
Low-level design implementation question requiring class design and implementation
45-minute interview primarily focused on low-level design implementation. Interrupted due to internet issues but resumed later.
Design a messaging app like WhatsApp
Candidate was asked to design a messaging application similar to WhatsApp.
How to ensure security of data in req/res
Personal Interview Round 3
How to ensure database responds to each request in 1ms
Personal Interview Round 3
Database selection and schema
System design and technical deep dive round
Database design and query questions
System design and technical deep dive round
Java Spring Boot questions
System design and technical deep dive round
String manipulation DSA question
System design and technical deep dive round
Scaling considerations
System design and technical deep dive round
Components overview
System design and technical deep dive round
Tiny URL end-to-end design
System design and technical deep dive round
Write a SQL query to find the nth maximum salary
Second round is a system design challenge
Design Whatsapp
Second round is a system design challenge
Difference between mutex and semaphore
Second round is a system design challenge
Design an inventory cart system for an e-commerce platform including a detailed architectural diagram and discussion on API design, threading, and high-level tools.
A 90-minute round covering system design, resume-based technical questions, and specific language-related concepts.
Implement LRU Cache with capacity c in Java?
This round was of System Design, with 1 problem to implement in any language.
Design a Parking Lot system including API endpoints, class design, and database design.
System design round where the candidate was asked to design a Parking Lot with API endpoints, class design, and database design.
Design a scalable and efficient check-in application similar to Instagram, where users can tag places.
A round assessing the candidate's ability to design scalable and efficient systems. The candidate was asked to design a check-in application similar to Instagram, where users could tag places.
Design a check-in application similar to Instagram (users tagging places).
A system design round where the candidate was asked to design a check-in application similar to Instagram (users tagging places). Scalability and efficiency were tested.
Design a chat system that can handle 1 million concurrent users, draw high level application and DB design.
The candidate was asked to design a scalable chat system capable of supporting 1 million concurrent users, focusing on high-level application architecture and database schema design.