Oracle On-Campus Interview Experience for Application Developer

Last Updated : 3 Jun, 2025

Recently, I appeared for an interview targeting the role of Application Developer. The recruitment process was accurate, well-structured, and included multiple rounds assessing various technical skills and behavioural traits.

Recruitment Process Overview

  • Initial Screening
  • Technical Interview 1
  • Technical 2 + Managerial Interview
  • Technical Interview 3
  • HR Interview

Round:1 Initial Screening

  • Duration: 90 minutes
  • Method: Online Assessment
  • Focus: 1 hard-level coding question + 20 MCQs (DBMS, OS, aptitude, verbal reasoning)

Key Questions

  • Solve a hard-level DSA problem
  • Answer MCQs from core CS concepts and logical aptitude

Obstacles: Managing time between coding and multiple-choice sections

Round 2: Technical Interview 1

  • Duration: 1 hour
  • Method: In-person
  • Focus: DSA, SQL, OOP, JavaScript basics

Key Questions:

  • Fix two misplaced nodes in a BST
  • Bottom view of a binary tree
  • Check if a graph is bipartite
  • Tree vs Graph logic (Cycle detection)
  • SQL: Nth highest salary
  • OOP and JavaScript fundamentals (from resume)

Round 3: Technical 2 + Managerial

  • Duration: 1 hour
  • Method: In-person
  • Focus: Advanced DSA + problem-solving approach

Key Questions:

  • One hard-level DSA problem
  • Add constraints progressively and explain design choices

Obstacles: Demonstrating adaptability and structured problem-solving under pressure

Round 4: Technical (Project Discussion)

  • Duration: 45 minutes
  • Method: In-person
  • Focus: Personal project, edge cases, design logic

Key Questions:

  • Deep dive into project from resume
  • Handling edge cases and proposing improvements
  • Some were asked to draw ER diagrams and answer DBMS-related questions

Round 5: HR Round

  • Duration: 30 minutes
  • Method: In-person
  • Focus: Background, career motivation, communication

Key Questions:

  • Why software domain
  • Career goals and strengths

Aditional Tips

  • Prepare well for HR, ask thoughtful questions at the end, and be confident about what’s listed on your resume.

Final Outcome

The interview was challenging but insightful. I was selected in between 300+ candidates. The interviewers maintained a friendly and collaborative atmosphere, encouraging open conversations to evaluate my depth of thought and clarity.

Post-Interview Reflections

Company Culture Insights:

Interviewers were friendly and collaborative, encouraging a conversational tone while evaluating depth of thought and clarity.

  • Work Environment: Professional and structured; interviews were aligned with real-world software roles.
  • Benefits Highlight: Standard benefits weren't discussed, but the role offered growth and learning in development-focused areas.
  • Evaluator Feedback: No formal feedback shared, but steady progression and final selection indicated strong performance.
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