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      Principal Member of Technical Staff Interview

      17 June 2021
      Anonymous employee
      Bengaluru

      Other Principal Member of Technical Staff interview reviews for Oracle

      Principal Member of Technical Staff Interview

      27 Apr 2026
      Anonymous employee
      Bengaluru
      Accepted offer
      Positive experience
      Accepted offer
      Positive experience
      Average interview

      Application

      I applied through a recruiter. I interviewed at Oracle (Bengaluru) in Apr 2021

      Interview

      Interview process consists of 3 technical rounds, 1 Hiring Manager round, and 1 Director round. Due to pandemic all the rounds were conducted through ZOOM video call. Overall it takes more than a month to complete all the rounds and to get official offer letter. Solve lot of questions on leetcode and refresh Data Structures knowledge, it will be useful.

      Interview questions [14]

      Question 1

      Difference between Linear and Non-Linear data structures?
      Answer question

      Question 2

      Write a program to check if one Linked List is reverse of another?
      Answer question

      Question 3

      Implement Stack using Linked List?
      Answer question

      Question 4

      What is Generics and why do we need it?
      Answer question

      Question 5

      What is IOC in spring and why do we need it?
      Answer question

      Question 6

      Implement simple compression algorithm? Input: aaabbbccccc Output: a - 3 b - 3 c - 5
      Answer question

      Question 7

      Design an In-Memory file system using Object Orientation Principal - Choose best data structure - Choose Accessing algorithm
      Answer question

      Question 8

      Algorithm to print all valid open and close parenthesis? (leetcode question)
      Answer question

      Question 9

      Explain SOLID principals with an example?
      Answer question

      Question 10

      Write a program to list all the elements repeated maximum number of times in an array?
      Answer question

      Question 11

      Explain Factory, Singleton design patterns?
      Answer question

      Question 12

      Design and implement LRU cache
      Answer question

      Question 13

      Find nth element from tail in a Linked List?
      Answer question

      Question 14

      Explain how OAuth2 works? How did you use it in your project?
      Answer question
      Average interview

      Application

      I applied through a recruiter. I interviewed at Oracle (Bengaluru)

      Interview

      1 screening round,5 on site rounds,DSA 1 medium 1 easy,Design equivalent to MAANGM,In depth kubernetes,Good at AI/ML,Behavioral,1 screening round,5 on site rounds,DSA 1 medium 1 easy,Design equivalent to MAANGM,In depth kubernetes,Good at AI/ML,Behavioral

      Principal Member of Technical Staff Interview

      6 Mar 2026
      Anonymous employee
      Bengaluru
      Accepted offer
      Positive experience
      Difficult interview

      Application

      I interviewed at Oracle (Bengaluru)

      Interview

      There are total for five rounds including tech screening. It started with technical screening then One HM ,three loops and one BT round which will include all Coding and system design.

      Interview questions [1]

      Question 1

      Coding and system design along with scenario based. You will given hackerank tool for coding. Interviewers are very supportive. They will guide you if stuck.
      Answer question

      Principal Member of Technical Staff Interview

      20 Dec 2025
      Anonymous employee
      Dallas, TX
      Accepted offer
      Positive experience
      Average interview

      Application

      I applied through an employee referral. I interviewed at Oracle (Dallas, TX) in Dec 2025

      Interview

      Interview process consisted of 1 technical screening(DSA Medium, System Design) followed with a loop interview of 4(1- System Design Current Project related, 1 DSA and SQL, 1 Coding Consumer Producer implementation, 1 Bartender Oracle Values related)

      Interview questions [1]

      Question 1

      Current project system design Producer consumer problem
      Answer question
      1