Top 23
Prep plan
Updated weekly · Last refresh Oct 17

Garena Backend Engineer Interview Questions

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

23questions
~3htotal time
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1
CodingStart here. 7 questions + 1 drill · ~67 min
Debug Complex SystemsMedium

Tests your systematic troubleshooting approach and ability to isolate root causes.

Problem SolvingDebuggingGarena
TCP vs UDP and ToposortMedium

Assesses networking protocol reasoning and graph algorithm implementation skills.

NetworkingAlgorithmsGarena
Hard Calculator ImplementationHard

Tests your ability to implement a correct parsing and evaluation solution under constraints.

leetcodeGarena
Balanced Parentheses CodingEasy
Practice
Practice drill

Use a recursive CTE to determine whether each stored string has balanced parentheses, including empty and NULL inputs.

Codingnull handlingData ManipulationStripe
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2
System Design4 questions · ~33 min
TCP vs UDP for Game BackendMedium

Assesses your networking fundamentals and ability to map protocols to real-time game needs.

NetworkingUse CasesGarena
High-Concurrency Thread ManagementMedium

Tests your concurrency design skills for throughput, latency, and resource efficiency.

performance optimizationconcurrencyGarena
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3
SQL & Data Manipulation4 questions + 2 drills · ~53 min
Relational vs NoSQL Trade-offsMedium

Assesses database selection reasoning for scalability, consistency, and query patterns.

Trade-offsnosqlGarena
Ensuring Data IntegrityMedium

Tests understanding of constraints, validation, transactions, and consistency strategies.

databasedata integrityGarena
Top 10 Spenders SQLEasy
Practice
Practice drill

Use aggregation and sorting to identify the 10 MONOPOLY GO! players with the highest positive in-game spending.

RankingGroup ByAggregationsScopelyGarena
SQL Top 5 Games by RevenueMedium
Practice
Practice drill

Find the five games with the highest completed revenue in the previous calendar quarter.

Date FunctionsJoinssql queryGarena
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4
Behavioral & Leadership7 questions · ~57 min
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5
More topics1 question · ~8 min
Microservices ExperienceMedium

Tests experience designing, deploying, and operating distributed services.

Trade-offsRisk AssessmentGarena
The finish line: interview-readyComplete all 23 questions plus 3 hands-on drills to finish this plan.