DaDa Software Engineer Interview Questions

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

Linked Lists vs Arrays

Easy

Compare arrays and linked lists by memory layout, access cost, and update performance, and explain when each is the better choice.

Linked ListsArraysSearching

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Design Feature for Existing Application

Medium

Explain how you would design a new feature in an existing application while managing scope, trade-offs, and success criteria.

Trade-offsRoadmappingScope Management

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Proceeding With Broken Feature Feedback

Medium

Tests triage, debugging approach, and how you validate fixes with users.

Rollback PlanSuccess CriteriaRisk Assessment

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Running Total Sales by Date

Medium

Tests window function or equivalent logic for cumulative calculations over time.

Window FunctionsRunning Totals

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Database Normalization

Easy

Tests your understanding of database design principles and normalization tradeoffs.

Data WranglingGroup By

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Real-Time Data Processing Design

Hard

Tests real-time architecture thinking, streaming concepts, and end-to-end data flow design.

InfrastructureStream ProcessingOrchestration

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