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Updated weekly · Last refresh Sep 25

Oracle Frontend Engineer Interview Questions

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

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1
CodingStart here. 5 questions · ~46 min
Longest Unique Substring in EnoMedium
Practice

Use a sliding window and hash map to find the longest substring without repeated characters in a string.

Hash TablesStringsTwo PointersOracle
Analyze Algorithm Time and SpaceEasy

Explain how to derive time and space complexity for a coding solution, including loops, recursion, and auxiliary memory.

Hash TablesArraysSearchingOracle
Efficient Search or Filter ImplementationMedium

Evaluates algorithm and implementation choices for fast client-side search and filtering.

Data StructuresfilteringOracle
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2
System Design8 questions · ~73 min
Optimize Large-Scale Web AppsMedium

Evaluates performance engineering tradeoffs for large, production web systems.

performance optimizationscalabilityOracle
State Management in Multi-Page AppsHard

Assesses state management design for complex multi-page frontend experiences.

state managementOracle
Accessibility Standards for UIMedium

Tests your ability to design accessible UI that meets common standards and practices.

accessibilityOracle
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3
Technical Fundamentals3 questions · ~27 min
Oracle Enterprise Dashboard PerformanceMedium

Assesses performance tuning approaches for data-heavy enterprise dashboard UIs.

optimizationOracle
Explain a JavaScript API InternalsMedium

Tests depth of JavaScript knowledge and ability to reason about API behavior.

javascriptapitechnical discussionOracle
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4
Behavioral & Leadership3 questions · ~27 min
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The finish line: interview-readyComplete all 19 questions to finish this plan.