Senior Member of Technical Staff Interview Questions and Answers

Reverse LL using recursion, Find path in btree closest to sum K

• Implement a recursive function to reverse a linked list

• Traverse the binary tree to find all paths and calculate their sums

• Keep track of the path with sum closest to K

A hotel management system involves designing a software system to handle reservations, check-ins, check-outs, room assignments, billing, and other hotel operations.

• Consider the different modules needed such as reservation management, room assignment, billing, and reporting

• Design a user-friendly interface for both staff and guests

• Implement features like online booking, room availability tracking, and payment processing

• Ensure data security and privacy measures are in place to p...read more

Find second largest in o(n) complexity

• Use two variables to keep track of largest and second largest

• Traverse the array once and update variables accordingly

A Cache interceptor in Angular is used to intercept HTTP requests and cache the responses for future use.

• Create a new Angular service for the interceptor

• Implement the 'intercept' method from the HttpInterceptor interface

• Check if the request is a GET request and if it should be cached

• Store the response in a cache object and return it for subsequent requests

System design for Dropbox

• Use distributed file system for storing files

• Implement client-server architecture

• Use encryption for data security

• Implement version control for files

• Use load balancing for handling traffic

• Implement caching for faster access to frequently accessed files