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Updated weekly · Last refresh Nov 6
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Global Relay Software Engineer Interview Questions

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

11questions
~2htotal time
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1
System DesignStart here. 4 questions · ~38 min
Walk Through a Project ArchitectureMedium
Recently asked

Tests your ability to explain system architecture decisions and trade-offs clearly.

system designtechnical architectureproject walkthroughGGlobal Relay
DNS Resolution in Hybrid CloudMedium
Recently asked

Evaluates system design thinking for multi-cloud networking and name resolution.

cloud environmentdnsGGlobal Relay
Handle Increased Load with KafkaMedium
Recently asked

Tests ability to design for scalability in distributed messaging systems.

kafkascalabilityGGlobal Relay
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2
Technical Fundamentals5 questions · ~48 min
HashMap InternalsMedium
Recently asked

Evaluates data structure internals and collision handling.

javaGGlobal Relay
Preventing DeadlocksMedium
Recently asked

Tests concurrency understanding and avoidance strategies.

multithreadingjavadeadlockGGlobal Relay
HashMap Null KeysEasy
Recently asked

Tests knowledge of data structure edge cases and language specifics.

javanull valuesGGlobal Relay
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3
More topics2 questions · ~19 min
Custom LRU Cache In O(1)Easy
Practice
Recently asked

Implement an LRU cache using a hash map and doubly linked list with O(1) get and put operations.

lru cacheGGlobal Relay
Java Pass-by-Value SemanticsEasy
Recently asked

Tests your understanding of Java parameter passing and object mutation behavior.

javaprogramming conceptsGGlobal Relay

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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Java and SQL BasicsEasy
Practice
Practice drill

Use SQL to identify active engineers with both Java and SQL experience and report their experience levels.

javaJoinsCase WhenGeneral Dynamics Information Technology
Java Core Concepts and SQL BasicsMedium
Practice
Practice drill

Explain core Java concepts and produce an aggregated SQL access summary using joins.

javaJoinssqlSaviynt
SQL Queries for RankingMedium
Practice
Practice drill

Rank active HSBC employees by division and return every employee tied for the highest or second-highest salary.

javasqlHsbc
The finish line: interview-readyComplete all 11 questions plus 3 hands-on drills to finish this plan.