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Updated weekly · Last refresh Oct 17

Zensar Technologies AI Engineer Interview Questions

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

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1
CodingStart here. 10 questions · ~108 min
Two Sum with TargetEasy
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Use a hash map to find two array elements that sum to a target in O(n) time.

Hash TablesArraysStringsZensar Technologies
Depth-First Search ImplementationEasy
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Traverse a graph or tree with DFS and return the visit order from a given start node.

RecursionTreesGraphsZensar Technologies
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2
Generative AI & LLMs3 questions · ~32 min
Prompt Engineering and RAG BasicsMedium

Explain prompt engineering and RAG, how they differ, and when each is useful for improving LLM answer quality.

Vector SearchPrompt EngineeringRAGZensar Technologies
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3
System Design7 questions · ~75 min
Deploy a Cloud ML ModelMedium

Design a production ML deployment on Google Cloud with serving, feature management, rollout, monitoring, and evaluation.

InfrastructureFeature StoreModel ServingZensar Technologies
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4
Machine Learning6 questions · ~65 min
Build a Predictive Model from DataMedium

Build a supervised model from a dataset, from feature prep through validation and deployment choices.

Cross-ValidationFeature EngineeringSupervised LearningZensar Technologies
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5
Model Evaluation4 questions · ~43 min
Choose a Classification ThresholdMedium

Choose a decision threshold for a classifier using precision, recall, calibration, and confusion matrix tradeoffs.

Confusion MatrixPrecisionThreshold TuningZensar Technologies
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6
Behavioral & Leadership10 questions · ~108 min
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7
More topics3 questions · ~32 min
Explain Tokenization in NLPEasy

Explain how tokenization splits text for NLP models and why the choice affects downstream performance.

Language ModelsText ClassificationTF-IDFZensar Technologies
Choosing Batch vs Real TimeHard

Evaluate when a pipeline should use stream processing versus scheduled batch based on latency, cost, complexity, and data quality needs.

Stream ProcessingBatch ProcessingDependenciesZensar Technologies
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