Salesforce Low Level Design Interview Questions


Salesforce Low Level Design Interview Questions
In Salesforce LLD rounds, sometimes actual requirements may not be clear from problem statement and interviewer will expect you to figure it out by asking clarifying questions.

For example, A message queue is asked indirectly in the form of something like a connection pool or a job scheduler.

It follows the pattern that resources like connections, machines or cpu (in case of job scheduler) are limited and they may not be assigned immediately.

There is discussion about concurrency control when multiple threads are there.

There may also be discussion on concurrency control if our application is made distributed and we are using a central database (i.e. LLD discussion moving to HLD in the end).

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

Id Title Companies Design Pattern Difficulty
24. Design Elevator Management System - Single Lift State
Medium
49. Design a Connection Pool with an Internal Request Queue
Medium
7. Design a Parking Lot Strategy
Medium
44. Design a Meeting Room Scheduler - List Bookings
Medium
45. Design a Meeting Room Scheduler for Recurrent Meetings
Medium
48. Design an In-Memory Cache with Custom Eviction Policy Strategy
Medium
47. Design a RPC Framework
Medium
10. Design a Movie ticket booking system like BookMyShow Observer
Medium
34. Design a rate limiter
Medium
1. Design a Parking Lot - Multi-Threaded
Medium
11. Design a Simple Elevator System - Multiple Lifts State
Hard
6. Design a Hit Counter/Webpage Visits Counter - Multi-Threaded
Medium
8. Design Chess Game Factory
Medium
12. Design expense sharing app like Splitwise
Medium
22. Design a Job Scheduler
Medium
41. Design a Shopping Cart
Medium
43. Design a Custom HashMap
Medium
130. Design Snake and Ladder Game
Medium
202. Design Snake Game With Food And Score
Medium
10362. Design Hit Counter
Medium


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