SmartNews Frontend Engineer Interview Questions

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

Tests concurrency concepts and communication patterns in browser JavaScript.

Em vs Rem Differences

Easy

Evaluates understanding of CSS typography scaling and relative units.

css

SmartNews

JavaScript File Memory Footprint

Medium

Assesses understanding of JavaScript runtime memory usage and performance implications.

javascript

SmartNews

Diagnosing JavaScript Memory Leaks

Medium

Evaluates debugging skills for memory leaks and performance stability.

memory managementjavascript

SmartNews

More Coding questions with a free account

Assesses system-level design for reusable UI components across languages, locales, and platforms.

Handling Async Error States

Medium

Assesses your approach to resilience, user feedback, and recovery in async frontend data flows.

error handlingasynchronous

SmartNews

Optimizing Frequent Re-renders

Medium

Evaluates performance debugging and optimization techniques for React-style rendering behavior.

performance optimization

SmartNews

Designing High-Frequency Feed UI

Hard

Tests your ability to design scalable, responsive UI patterns for rapidly changing news feeds.

performance

SmartNews

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