16 questions · from 2 interviews

Oracle Cloud Infrastructure interview questions

Every question candidates reported from their Oracle Cloud Infrastructure interviews, most frequently asked first. Each links to the write-up it came from, so you can see the round and how it went.

Oracle Cloud Infrastructure coding and DSA questions

  1. 01

    Find The Missing Number (and variation)

    Started with the classic Leetcode question: Find the missing number, followed by a variation where multiple numbers could be missing.

    Easy · From OCI IC3 SMTS (Remote) Interview Experience

  2. 02

    Josephus Problem

    The problem-solving segment was on the Josephus Problem. I solved it in 6 minutes, thanks to my strong grip on recursion.

    Medium · From OCI IC3 SMTS (Remote) Interview Experience

  3. 03

    Custom DFS/BFS Problem with Edge Cases

    I was given a custom DFS/BFS problem (not on Leetcode), which had several tricky edge cases. I managed to solve it successfully.

    From OCI IC3 SMTS (Remote) Interview Experience

  4. 04

    Number of Matching Subsequences

    A DSA problem very similar to LeetCode's Number of Matching Subsequences.

    From Oracle OCI | Software Engineer-3 (Backend) | March-April, 2025 | Walked Out

  5. 05

    Reorganize String

    LeetCode problem: Reorganize String.

    From Oracle OCI | Software Engineer-3 (Backend) | March-April, 2025 | Walked Out

  6. 06

    Calculate Total CTC Year-wise

    Given an employee's joining/leaving date (MMYYYY) and salary breakdown (base, joining bonus, stocks), calculate total CTC year-wise.

    From Oracle OCI | Software Engineer-3 (Backend) | March-April, 2025 | Walked Out

Oracle Cloud Infrastructure system design questions

  1. 01

    System Architecture Design & Improvement

    I was asked to draw and explain the system architecture of my current project. Follow-up questions were around how I could improve it.

    From OCI IC3 SMTS (Remote) Interview Experience

  2. 02

    Add to Cart System Design - Bottlenecks & Latency

    Given a system design for 'Add to Cart', I had to identify bottlenecks and suggest latency improvements.

    From OCI IC3 SMTS (Remote) Interview Experience

  3. 03

    BookMyShow System Design

    I was asked to design the API, schema, and high-level architecture for a BookMyShow-like service.

    From OCI IC3 SMTS (Remote) Interview Experience

  4. 04

    URL Shortener Service Design

    I was asked to design a URL Shortener Service.

    From OCI IC3 SMTS (Remote) Interview Experience

Oracle Cloud Infrastructure behavioural and HR questions

  1. 01

    Most Complex Task

    What is the most complex task you’ve handled so far?

    From Oracle OCI | Software Engineer-3 (Backend) | March-April, 2025 | Walked Out

  2. 02

    Technical Skills Outside Work

    What technical skills have you learned outside work?

    From Oracle OCI | Software Engineer-3 (Backend) | March-April, 2025 | Walked Out

  3. 03

    Biggest Technical Highlight

    What’s the biggest technical highlight of your career?

    From Oracle OCI | Software Engineer-3 (Backend) | March-April, 2025 | Walked Out

Oracle Cloud Infrastructure other questions

  1. 01

    LLD Implementation with Interface

    Given an interface, I had to implement two classes.

    From OCI IC3 SMTS (Remote) Interview Experience

  2. 02

    Factory Design Pattern Implementation

    I was asked to solve a design problem using the Factory Design Pattern. It was a straightforward implementation.

    From Oracle OCI | Software Engineer-3 (Backend) | March-April, 2025 | Walked Out

  3. 03

    Project Discussion

    Discussed my current project, including its architecture, scale, and design decisions.

    From Oracle OCI | Software Engineer-3 (Backend) | March-April, 2025 | Walked Out

Oracle Cloud Infrastructure interview questions FAQ

What questions are asked in Oracle Cloud Infrastructure interviews?

Candidates reported 16 distinct questions across 2 Oracle Cloud Infrastructure interviews. 6 coding and DSA questions, 4 system design questions, 3 behavioural and HR questions, 3 other questions.