Top 25
Prep plan
Updated weekly · Last refresh Sep 18

Blend360 Software Engineer Interview Questions

The questions to prepare for a Blend360 Software Engineer interview. Questions from real interview reports rank first. Updated daily.

25questions
~5htotal time
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1
CodingStart here. 6 questions · ~65 min
Two Sum with TargetEasy
Practice

Use a hash map to find two array elements that sum to a target in O(n) time.

Hash TablesArraysStringsBlend360
Implement Binary Search AlgorithmEasy
Practice

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

SearchingBlend360
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2
SQL & Data Manipulation4 questions + 3 drills · ~73 min
3
Execution3 questions · ~32 min
Choose Monolith or MicroservicesMedium

Evaluate the execution trade-offs between monoliths and microservices and explain how you would choose the right approach.

Trade-offsRisk AssessmentScope ManagementBlend360
Design a Scalable ApplicationEasy

Explain how you would design a scalable application, including trade-offs, risks, stakeholder needs, and how you define success.

Trade-offsRisk AssessmentScope ManagementBlend360
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4
Behavioral & Leadership9 questions · ~97 min
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5
More topics3 questions · ~32 min
Design a URL Shortening RecommenderHard

Design a URL shortener that ranks and recommends short links while handling abuse, freshness, and monitoring at scale.

Feature StoreModel ServingBlend360
Real-Time Dashboard Data PipelineMedium

Design a streaming pipeline that keeps dashboard data fresh and accurate for operational reporting.

InfrastructureStream ProcessingOrchestrationBlend360
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The finish line: interview-readyComplete all 25 questions plus 3 hands-on drills to finish this plan.