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Updated weekly · Last refresh Oct 17

Front Interview Questions

The questions to prepare for Front interviews, across all roles. Questions from real interview reports rank first. Updated daily.

50questions
~8htotal time
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1
CodingStart here. 4 questions · ~38 min
2
SQL & Data Manipulation4 questions + 2 drills · ~58 min
3
Pipelines4 questions · ~38 min
Data Quality in ETL PipelinesEasy

Approach for maintaining data quality and integrity across ETL pipelines.

IdempotencyData ModelingQualityFront
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4
Execution4 questions · ~38 min
Plan a Phased Operations RolloutMedium

Plan a phased rollout for a new operational initiative with clear stages, success criteria, and risk controls.

Launch Planningphased rolloutsProject ManagementFront
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5
Metrics4 questions · ~38 min
Design an Operations KPI HierarchyMedium

Build a KPI hierarchy that links frontline operational signals to business outcomes and supports better decisions.

operational metricsperformance measurementkpi hierarchyFront
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6
Product Sense4 questions · ~38 min
Prioritize Features for a New ProductMedium

A framework for deciding which features should ship first when building a new product.

Feature PrioritizationUser Needsproduct developmentFront
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7
More topics26 questions · ~250 min
Design an LLM Serving PlatformHard

Design an LLM serving system that balances latency, cost, scalability, and safety for production traffic.

Cold StartFeature StoreModel ServingFront
Explaining Architecture Trade-offs ClearlyMedium

Tests technical ownership and communication through a concrete architecture decision, with emphasis on trade-offs, judgment, and lessons learned.

Trade-offsrecent projectstechnical experienceFront
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The finish line: interview-readyComplete all 50 questions plus 2 hands-on drills to finish this plan.