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Paytm || Senior Software Engineer || September 2024 || Round 3

Round 3

Questions:

  1. How would you handle performance optimization in low-level design without compromising code readability and maintainability?
  2. What is the role of design patterns in low-level design? Can you name some patterns that are particularly useful in distributed systems?
  3. How would you handle concurrency in low-level system design?
  4. Nearest Exit from Entrance in Maze

30Min was given for Q1, Q2, Q3
30Min for Q4

Code was expected to be written in Google Docs with all the edge cases and dry run as well.

Candidate's Approach

No approach provided.

Interviewer's Feedback

No feedback provided.