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Updated weekly · Last refresh Oct 17

CoinSwitch Software Engineer Interview Questions

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

30questions
~4htotal time
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1
CodingStart here. 17 questions · ~142 min
Maximum Level Sum in Binary TreeMedium

Assesses traversal strategy and aggregation logic for tree level computations.

Data StructuresCoinSwitch
Smallest K PairsMedium

Assesses problem-solving for k-pair selection using efficient data structures.

ArraysSortingCoinSwitch
Non-Overlapping Intervals and Graph CountMedium

Tests interval scheduling and graph problem-solving in a single coding session.

CoinSwitch
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2
System Design5 questions · ~42 min
Design Stories Feature in ReactMedium

Assesses frontend design thinking and ability to structure interactive features in React.

reactCoinSwitch
High Availability Content DesignMedium

Assesses availability-focused architecture decisions and reliability tradeoffs.

high availabilityCoinSwitch
URL Hash Key SystemMedium

Tests system design thinking around hashing, mapping, and URL generation constraints.

hashingCoinSwitch
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3
Behavioral & Leadership6 questions · ~50 min
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4
More topics2 questions · ~17 min
DDD in Java and FlutterMedium

Evaluates domain-driven design understanding and ability to map it to practical app structure.

javaCoinSwitch
Node Event LoopMedium

Assesses understanding of Node.js concurrency and event-driven execution.

node.jsCoinSwitch
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