Top 46
Prep plan
Updated weekly · Last refresh Oct 17

Blend360 AI Engineer Interview Questions

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

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1
CodingStart here. 6 questions · ~59 min
Recommendation Algorithm ImplementationMedium
Practice

Generate personalized recommendations by scoring unseen items from users with maximum Jaccard similarity.

Hash TablesArraysGreedyBlend360
Rotate Square Matrix In PlaceEasy
Practice

Rotate an n x n matrix 90 degrees clockwise in place using transpose and row reversal.

Array ManipulationMatrixBlend360
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2
Generative AI & LLMs7 questions · ~69 min
Design a Multi-Tool AI AgentHard

Design a production agent platform that coordinates models, tools, and data sources under strict latency, cost, and safety limits.

Vector SearchPrompt EngineeringRAGBlend360
Ethics in Generative AI DeploymentMedium

Discuss the main ethical risks in deploying generative AI, including hallucination, misuse, privacy, and governance.

HallucinationPrompt InjectionLLM EvaluationBlend360
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3
Model Evaluation5 questions · ~49 min
Define Model Success MetricsEasy

Explain how you would evaluate whether an AI model is successful using core classification metrics.

PrecisionAccuracyRecallBlend360
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4
Machine Learning7 questions · ~69 min
Data Preprocessing for Reliable ModelsEasy

Explain why data preprocessing matters, using a concrete supervised learning example with missing values, outliers, and mixed feature types.

Cross-ValidationFeature EngineeringSupervised LearningBlend360
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5
Pipelines4 questions · ~40 min
Handle Late Data in StreamingHard

Design a streaming pipeline that can absorb late-arriving events while keeping aggregates correct and downstream tables stable.

Stream ProcessingIdempotencyData ModelingBlend360
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6
System Design6 questions · ~59 min
Design a Real-Time ML Feature StoreHard

Design a shared feature store for training and low-latency inference across many ML systems with strict freshness and consistency needs.

Feature StoreFeature DriftModel ServingBlend360
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7
More topics11 questions · ~109 min
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