Dataford
Top 33
Prep plan
Updated weekly · Last refresh Sep 22

DaDa Software Engineer Interview Questions

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

33questions
~6htotal time
Track your progressSign up free to work through all 33 questions and resume where you left off.
Start practicing free →
1
SQL & Data ManipulationStart here. 3 questions · ~31 min
Running Total Sales by DateMedium
Practice

Aggregate posted Arcesium portfolio sales by date, then calculate each active portfolio's cumulative sales with a window function.

Window FunctionsRunning TotalsDaDa
Top Paid Per DepartmentEasy
Practice

Find the top 3 highest-paid employees in each department using window functions.

Window FunctionsRankingDaDa
More SQL & Data Manipulation questions with a free account
2
Coding14 questions · ~147 min
Implement Binary Search AlgorithmEasy
Practice

Write a binary search function to find a target value in a sorted array.

SearchingDaDa
Maximum Subarray SumEasy
Practice

Compute the largest sum of any contiguous subarray using Kadane's algorithm in O(n) time.

Dynamic ProgrammingArraysGreedyDaDa
More Coding questions with a free account

Sign up to see every question

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

Get my prep plan
3
Execution3 questions · ~31 min
Design Feature for Existing ApplicationMedium

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

Trade-offsRoadmappingScope ManagementDaDa
More Execution questions with a free account
4
Behavioral & Leadership10 questions · ~105 min
More Behavioral & Leadership questions with a free account
5
More topics3 questions · ~31 min
Design Cold Start RecommendationsHard

Design a recommendation system strategy for new users and new items when interaction history is sparse or missing.

Cold StartFeature StoreRecommendation SystemsDaDa
Real-Time Data Processing DesignHard

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

InfrastructureStream ProcessingOrchestrationDaDa
End-to-End Recommendation SystemHard

Tests system design skills for recommendation pipelines, data, ranking, and evaluation.

ML RankingRetrievalRecommendation SystemsDaDa
The finish line: interview-readyComplete all 33 questions to finish this plan.