Hotstar Frontend Engineer Interview Questions

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

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CodingStart here. 18 questions · ~173 min

Extract one named field from ordered Hotstar records using a single linear pass.

Balanced Parentheses String ValidationEasy

Practice

Validate a parentheses string using a stack to ensure matching bracket types and correct nesting in O(n) time.

RecursionStackMath

Hotstar

Call, Apply, and Bind DifferencesMedium

Evaluates your understanding of function context control in JavaScript.

javascriptfunctions

Hotstar

Promise Implementation From ScratchHard

Evaluates your ability to implement core Promise behavior in JavaScript.

javascript

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System Design10 questions · ~96 min

Assesses system design skills for real-time matching and allocation workflows.

Design Hotstar Landing PageHard

Assesses system design skills for a high-traffic streaming frontend experience at Hotstar.

designarchitecture

Hotstar

Redux vs Context StateMedium

Evaluates tradeoffs in state management choices for complex frontend apps.

state management

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