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o9 Solutions Interview Experience for ASE | On-Campus (Virtual) 2020
  • Difficulty Level : Medium
  • Last Updated : 27 Oct, 2020
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The o9 Solutions visited our campus for the job profile of an Associate Software Engineer. There was CGPA cut off 7.5. 

Round 1 (Online Round 65 min on mettl): 30 Aptitude Questions + Technical Questions (40 min): It consists of quants and logical, average level questions, questions were asked from blood relations, seating arrangements, finding patterns, geometry, probability, time and work, etc. Technical Questions were C output, OS-scheduling algorithms, Networking-Routers, protocols and basic programming related from C, C++, level of questions were moderate to tough.

10 SQL questions(25 min): It was an objective type section and the level of questions was moderate.

Only 6 were shortlisted.

Round 2 (Technical Interview 45 mins to 1 hr): 



  1. Introduce yourself.
  2. A brief discussion of your projects.
  3. OOPs, concepts, operating systems, and sorting algorithms(merge sort).
  4. Two coding questions: check a string is palindrome and print distinct elements in the array.

Were selected for the next round.

Round 2 (Technical Interview 1 hr to 1.5 hr):

  1. Introduce yourself.
  2. A brief discussion of your projects.
  3. What is your goal and why you want to join o9.
  4. He gave me a problem where I have to use all oops property and explain.
  5. He asked scheduling algorithms and page replacement algo.
  6. Two coding questions:
  • Stock Buy Sell to Maximize Profit
  • Writing power functions for large numbers. later he told me to use recursion and DP.

Tip: The interviewer is extremely cordial, so just be friendly, keep smiling and answer confidently without stammering.

Result: 2 students were selected including me.

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