Vahak Senior Software Engineer Interview Questions, Process, and Tips

Merge overlapping intervals in a collection

• Sort the intervals based on the start time

• Iterate through the intervals and merge overlapping ones

• Update the merged intervals

The low-level design of a movie booking application involves components like user authentication, seat selection, payment processing, and ticket generation.

• Implement user authentication to allow users to log in and book tickets.

• Create a seat selection feature where users can choose their preferred seats.

• Integrate payment processing to facilitate secure transactions.

• Generate tickets with unique identifiers for each book...read more

Search in a column-wise sorted 2-D array

• Start from the top right corner of the array

• If the target value is greater, move down; if it's smaller, move left

• Repeat until the target value is found or the boundaries of the array are exceeded

A cab booking service allows users to book rides from one location to another.

• Users can input their pickup and drop-off locations

• System calculates the fare based on distance and time

• Drivers can accept or reject ride requests

• Notifications are sent to users and drivers

• Payment processing is integrated