OCI IC3 Interview Experience | Prague
458
Mar 09, 2026

Round 1 : Project Discussion, DSA round

  • DSA : From a list, find first missing positive integer Leetcode
  • Given two very large files (>1GB) containing integers, cant be stored in-memory, find the intersection set of the two files. The numbers are sorted.

Loop 1-4

  1. Behavioral
  • Deep dive on projects , every single detail
  • Tell me a time when you had conflict
  • How did you make others welcome in a team?
  • How did you deal with someone not responding to the problems you are working e.g. Project managers not clarifying on tasks specification
  1. Behavioral + DSA
  • Behavioral - Tell me a mistake that you made and what did you learn?
  • Did you ever go out of the way without following the protocol to design your solution.
  • DSA - Merge in between linked list Leetcode
  1. Java Based Quetion + Behavioral

    • Tell me about a situation when the problem was untestable? What did you do for testing?
    • Java question on design a BattlePlayer game with each player having cards of 3 types and 10 levels. Checking knowledge of interface, abstraction, oops principle.
  2. Behavioral + System Design

    1. How do you mange risk involved?
    2. How did you deal with criticism?
    3. How did you manage conflict with a team member?
    4. System Design - Dropbox

Question that I asked -

  1. What are some of the challenges that your team is facing? Any one scenario.
    A: No challenges. It's just work thats need to be done.
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