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PayPay India Software Engineer Interview Questions

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

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1
CodingStart here. 23 questions · ~208 min
Deep Equality for ObjectsMedium
Practice
Recently asked

Recursively compare PayPay India JSON-like payloads while respecting types, dictionary keys, and list order.

PPayPay India
Running Median Over StreamHard
Practice
Recently asked

Calculate each prefix median of a transaction stream using two heaps with O(log n) insertion time.

streamingArraysData StructuresPPayPay India
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2
Execution4 questions · ~36 min
HTTP vs HTTPSEasy
Recently asked

Explain how HTTP and HTTPS differ, focusing on encryption, authentication, integrity, and practical security implications.

InfrastructureTrade-offsapi designPPayPay India
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3
System Design13 questions · ~118 min
Monolith vs Microservices Trade-offsHard
Recently asked

Compare monolithic and microservices architectures, including deployment, scaling, reliability, data ownership, and migration trade-offs.

latencyTrade-offsdistributed systemsPPayPay India
Design API Rate LimiterHard
Recently asked

Design a distributed API rate limiter with reliable enforcement, low latency, adaptive abuse detection, and operational safeguards.

high-frequency requestsapi designdistributed systemsPPayPay India
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4
Behavioral & Leadership6 questions · ~54 min
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5
More topics4 questions · ~36 min
Java Memory Management and GCHard
Recently asked

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

memory managementmemory leakjavaPPayPay India
DevOps Tooling and Encryption SecurityHard
Recently asked

Evaluates your DevOps security understanding and ability to reason about common web vulnerabilities.

kafkaterraformDevOpsPPayPay India
PostgreSQL VACUUMMedium
Recently asked

Assesses your knowledge of database maintenance and operational behavior in PostgreSQL.

postgresqldatabase managementPPayPay India
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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.