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Zomato | SDE Backend Intern | Nov 2024

Round 1

Questions:

Candidate's Approach
  • Discussed the choice of MongoDB and attempted to explain indexing concepts, although lacking prior knowledge on types of indexes.
  • Designed the database structure for the Attendance System, including tables and optimizations.
  • Explained the login system using a session id for user authorization.
  • Attempted to address security concerns regarding session hijacking by logging the user's IP address.
Interviewer's Feedback
  • The interviewer seemed to appreciate the candidate's willingness to think through problems, especially regarding indexing and database design.
  • However, there were areas of confusion, particularly around hashing vs encrypting and session security, which indicated a need for further study.