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Oracle Interview Questions

Oracle's Software Engineer interviews prioritize coding and LeetCode-style problems, behavioral signals, and tree and recursion-related questions. Understanding these areas is crucial to succeeding in their interview process, which includes phone screens and onsite rounds.

  • Focus on algorithm problems, especially trees, arrays, and hash tables.
  • Prepare for behavioral and calibration questions that assess fit and level.
  • Be ready for recursion challenges that test problem decomposition.
13 tracked posts4 rich source postsDominant stage Phone ScreenLatest tracked 2026-02-04Last 365 days

What shows up most at Oracle

These are the question clusters that appear most often in the raw records and should shape how candidates allocate prep time.

Open leaked questions

Coding and LeetCode-style screens

9 mentions

Expect high-frequency algorithm questions with follow-up scenarios that test your coding efficiency and problem-solving process.

Oracle OCI complete screening + VO interview write-up.
Oracle health phone screen
Oracle health onsite

Behavioral and calibration signal

5 mentions

Prepare for behavioral questions that evaluate your experience, problem-solving approach, and cultural fit for Oracle.

Oracle OCI complete screening + VO interview write-up.
Oracle health onsite
Oracle Software Engineer Onsite: Coding, Behavioral, and System Design Rounds

Tree and recursion problems

5 mentions

Tree-based questions and recursive problem-solving are key areas, especially for assessing structured thinking and recursion handling.

Oracle OCI complete screening + VO interview write-up.
Oracle Software Engineer Phone Screen: Array Manipulation & Algorithms
Oracle Software Engineer Onsite: Coding, Behavioral, and System Design Rounds

Where Oracle puts the most pressure

The stage distribution tells candidates where the loop concentrates effort and what kind of reasoning tends to matter most in each round.

Phone Screen

7 records

Expect coding problems focused on algorithms and data structures, with an emphasis on problem-solving speed and accuracy.

Onsite

4 records

Onsite rounds will include a mix of coding, behavioral, and system design questions to assess both technical and interpersonal skills.

Technical Interview

1 records

Technical interviews will test your deep understanding of coding concepts and real-world applications of algorithms.

Outcome mix

Pending7 records
Offer2 records

What Oracle usually signals

Efficiency in solving algorithmic problems under time constraints.
Ability to communicate thought processes clearly during coding rounds.
Behavioral responses that align with Oracle's values and culture.

Representative questions from the visible record set

These examples help users understand the concrete question flavor without dumping the entire raw database into the public page.

Implement simplified Redis-like data structure

Phone ScreenOracle OCI complete screening + VO interview write-up.

Implement an LRU cache

Phone ScreenOracle OCI complete screening + VO interview write-up.

Merge two sorted lists

Phone ScreenOracle OCI complete screening + VO interview write-up.

Given a list of phrases and a list of words, find out which words in the phrases can be replaced by…

Phone ScreenOracle health phone screen

Given a list of phrases and a list of words, find out which words in the phrases can be replaced by words in the word list where the replacemen…

Phone ScreenOracle health phone screen

Given a set of courses and their prerequisite relations, which form a directed acyclic graph (DAG),…

Phone ScreenOracle health onsite

How to prepare for Oracle

The prep layer should stay practical: what to review, which LeetCode patterns recur, and how GhostInterview fits the live round instead of just prep week.

Prep focus

Practice solving problems from LeetCode with an emphasis on trees, arrays, and hash tables.
Prepare for behavioral questions by reflecting on past experiences and achievements.
Focus on mastering recursion problems, as they are commonly tested.
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Use GhostInterview during the actual interview

GhostInterview is not just for prep. Use it during live interview loops and follow-up pressure while the conversation is still happening. On supported platforms, the overlay is designed to stay hidden on screen share.

Use GhostInterview during live coding rounds to solve LeetCode-style questions and explain your approach without stalling.
In the interview, GhostInterview’s stealth features let you access your notes and previous questions without interrupting the flow.
Use GhostInterview with its stealth-first workflow so the guidance stays off supported screen shares while you handle constraint changes, optimizations, and edge cases.
Try GhostInterview nowSee stealth setup

Related LeetCode patterns

These are the recurring problem families worth reviewing before a similar loop.

Tree

Tree problems assess your ability to break down hierarchical structures and efficiently navigate them.

Array

Array manipulation tests your understanding of indexing, traversal, and optimization techniques.

Hash Table

Hash table problems evaluate your ability to manage and optimize data lookup and retrieval.

Open representative Oracle records

This public page summarizes the pattern. The database is where users inspect the actual record detail, stage context, and full write-up.

Open Oracle leaked questions
Oracle SWE New Grad role (referral): my experience

2026(Jan - Mar) · Technical Interview · Offer

oracle technical interview record for a swe role that ended in offer. Technical Interview record for oracle for a swe role.

Open in leaked questionsOracle OCI complete screening + VO interview write-up.

2026 Q1 · Phone Screen · Unknown

Oracle phone screen record for a Software Engineer role. Phone Screen record for Oracle for a Software Engineer role. The screening process for the Chinese candidates wa…

Open in leaked questionsOracle Software Engineer IC4 Technical Phone Screen: Projects, Coding, and Behavior

2026(Jan - Mar) · Phone Screen · Pending

oracle phone screen record for a Software Engineer role that ended in pending. Phone Screen record for oracle for a Software Engineer role. I had my technical phone scre…

Open in leaked questions

Related GhostInterview pages

Open company guideOpen salary pageReview related LeetCode pagesInvisible overlay guide

FAQ

What coding topics should I focus on for Oracle Software Engineer interviews?

Focus on LeetCode-style problems, particularly trees, arrays, and hash tables, as well as recursion.

How can I prepare for Oracle's behavioral questions?

Reflect on your past experiences, focusing on how you’ve demonstrated problem-solving, collaboration, and alignment with Oracle's culture.

What is the structure of Oracle's phone screen?

The phone screen typically includes coding problems, followed by a discussion of your approach and possibly a behavioral assessment.

What is tested during Oracle's onsite interviews?

Expect coding challenges, system design questions, and behavioral interviews. Prepare to demonstrate technical depth and soft skills.

Can GhostInterview help during the actual Oracle interview?

Yes. Use GhostInterview during live coding rounds, system design discussion, and follow-up pressure while the interview is happening. On supported platforms, the overlay is designed to stay hidden on screen share.