Oracle Software Engineer Interview Questions

The questions to prepare for a Oracle Software Engineer interview. Questions from real interview reports rank first. Updated daily.

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CodingStart here. 10 questions · ~121 min

Check Binary Tree SymmetryMedium

Practice

Determine whether a binary tree mirrors itself structurally while ignoring all node values.

dfsData StructuresAlgorithms

Oracle

Fix Missing Components and Boolean AlertMedium

Practice

Fix skipped component rendering and boolean alert logic by controlling iteration and using type-correct comparisons.

code analysisCodingalerts

Oracle

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SQL & Data Manipulation10 questions · ~121 min

SQL Employee Manager QueryEasy

Practice

Return every employee with the name of their manager, including employees whose manager_id is NULL.

data relationshipsnull handlingJoins

Oracle

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System Design10 questions · ~121 min

Diagnose and Improve ML System PerformanceHard

Explain how to diagnose and improve an ML system's performance across data, models, infrastructure, and serving.

latencyFeature Driftml inference

Oracle

Centralized Menu System for a Global Food BrandHard

Design a centralized ML-assisted menu system supporting location pricing, promotions, and breakfast, lunch, and dinner availability.

ML RankingFeature Storedesign

Oracle

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Security & Infrastructure8 questions · ~97 min

OAuth vs SSOHard

Distinguish authentication from authorization and explain OAuth, OIDC, and SSO using secure token and trust-boundary reasoning.

authenticationidentity managementaccess management

Oracle

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Technical Fundamentals9 questions · ~109 min

Basic Programming and SQL FundamentalsEasy

Recently asked

Assess programming fundamentals, OOP principles, SQL joins, and relational key design through concrete examples and trade-off reasoning.

sqlbehavioraltechnical fundamentals

Oracle

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