Salesforce Frontend Engineer Interview Questions

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

38questions

~6htotal time

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CodingStart here. 6 questions · ~54 min

CSS Grid vs FlexboxEasy

Practice

Classify a layout requirement as CSS Grid or Flexbox using dimensionality and alignment needs.

Codingabstractioncss

Salesforce

Debounce and Throttle From ScratchHard

Practice

Simulate a debounced callback that emits only the latest event after a quiet interval.

javascriptdebouncingasynchronous

Salesforce

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System Design9 questions · ~81 min

Send Message with Tagging in Slack-Style UIHard

Design Slack's send-message flow with mentions, UI behavior, and the protocols behind real-time delivery.

client-side

Salesforce

Chat App Data ModelingHard

Design the data model for a chat application, including message storage, conversation state, and sync at scale.

database accessdistributed systemsdesign

Salesforce

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Execution4 questions · ~36 min

Accessibility With WCAGMedium

Explain how you apply WCAG guidelines when building accessible Salesforce components.

accessibility

Salesforce

Reduce Initial Load TimeHard

Plan how to cut initial load time for a large-scale Salesforce enterprise app without breaking delivery or UX.

performance optimizationExecutiondelivery speed

Salesforce

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Technical Fundamentals12 questions · ~109 min

Semantic HTML and AccessibilityMedium

Assesses accessibility fundamentals and semantic markup rationale.

accessibility

Salesforce

Critical Rendering PathMedium

Assesses understanding of rendering pipeline and script impact.

Salesforce

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Behavioral & Leadership7 questions · ~63 min

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