Dataford
Top 35
Prep plan
Updated weekly · Last refresh Aug 30

Front Software Engineer Interview Questions

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

35questions
~5htotal time
Track your progressSign up free to work through all 35 questions and resume where you left off.
Start practicing free →
1
ExecutionStart here. 4 questions · ~32 min
Integrating Third-Party APIsMedium

Tests API integration planning, reliability considerations, and execution trade-offs.

Trade-offsRoadmappingRisk AssessmentFront
Frontend State ManagementMedium

Tests ability to design predictable UI state and choose appropriate state management approaches.

Trade-offsSuccess CriteriaScope ManagementFront
More Execution questions with a free account
2
Pipelines4 questions · ~32 min
Event-Driven Web ArchitectureMedium

Tests understanding of event-driven design patterns and how they map to web systems.

InfrastructureToolsDependenciesFront
Notification System DesignHard

Tests system design for real-time notifications, scalability, and delivery guarantees.

Stream ProcessingOrchestrationDependenciesFront
More Pipelines questions with a free account
3
Coding10 questions · ~80 min
Optimize Duplicate DetectionMedium

Tests algorithm optimization and complexity awareness for common data problems.

Hash TablesArraysSearchingFront
Socket.io Event ListeningHard

Tests event-driven integration skills with real-time web communication using Socket.io.

Hash TablesQueueStringsFront
More Coding questions with a free account
4
Behavioral & Leadership15 questions · ~120 min
More Behavioral & Leadership questions with a free account
5
More topics2 questions · ~16 min
Design a Real-Time Chat RankerHard

Design the ML system behind a real-time chat app, including message ranking, retrieval, serving, and feedback loops.

InfrastructureRetrievalFront
Server-Side Logo Drawing APIHard

Assesses system design skills for an API-driven drawing service with stateful cursor behavior.

api designFront

Sign up to see every question

Create a free account to unlock this list and practice real interview questions.

Get my prep plan
The finish line: interview-readyComplete all 35 questions to finish this plan.