Entain India Software Engineer Interview Questions

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

5questions

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CodingStart here. 1 question · ~14 min

Implement an LRU cache from scratch using a custom hash table and doubly linked list.

Technical Fundamentals2 questions · ~28 min

Tests how Java heap allocation, reachability, and garbage collection work, plus the practical impact on leaks and pauses.

Explain the internal mechanics of a Map in JavaHard

Explains how HashMap uses hashing, buckets, collision handling, resizing, and equals/hashCode to store and retrieve entries.

javaJVM InternalsData StructuresEEntain India

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SQL & Data Manipulation1 question + 2 drills · ~34 min

Inner Join vs Outer JoinEasy

Practice

Demonstrate how INNER JOIN and FULL OUTER JOIN handle matching and unmatched rows.

JoinsData Wranglingnull valuesEEntain India

Join Comcast service records while explaining when transformed Python data should use mutable lists or immutable tuples.

Return all Clipboard users and their matching workspace records, showing how unmatched rows differ between join types.

System Design1 question · ~14 min

Distributed Cache ImplementationHard

Design a distributed cache that reduces backend retrieval latency while preserving consistency, availability, and predictable failure behavior.

latencyperformancedatabase accessEEntain India

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