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Updated weekly · Last refresh Oct 17

Infosys AI Engineer Interview Questions

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

50questions
~10htotal time
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1
CodingStart here. 14 questions · ~161 min
Mean and Median with NumPyEasy
Practice

Calculate the mean and median of a non-empty NumPy array using NumPy aggregation operations.

aggregationArraysArray ManipulationInfosys
Python Slicing ExampleEasy
Practice

Use Python slicing to produce and explain multiple substring results from a given string.

CodingbasicsArray ManipulationInfosys
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2
System Design12 questions · ~138 min
Handling Missing DataHard

Design a robust ML data pipeline that detects, handles, and monitors erroneous or missing data.

Feature Storedata ingestionfailure modesInfosys
Open vs Open-Source LLMsHard

Compare OpenAI and open-source LLMs across quality, cost, latency, deployment, and enterprise risk.

inference latencymodel inferencecost constraintsInfosys
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3
Generative AI & LLMs15 questions · ~173 min
LLM Sampling ParametersMedium

Explain how temperature and top_p affect LLM output diversity, determinism, and quality.

context windowllm basicsPrompt EngineeringInfosys
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4
Behavioral & Leadership5 questions · ~58 min
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5
More topics4 questions · ~46 min
Evaluate RAG Before and After LaunchMedium

Define an offline and online evaluation plan for a RAG system and an LLM application, including hallucination checks and post-launch experiments.

Evaluation TechniquesModel MetricsLLM EvaluationInfosys
GANs and Their ApplicationsHard

Explain GAN experience and implement a DCGAN, including training stability, image quality evaluation, and failure-mode analysis.

model architectureFeature EngineeringDeep LearningInfosys
Experience With RAG and Agentic AIMedium

Tests your ability to translate real project decisions into sound RAG and agentic AI architectures.

RAGLLM Agentstechnical experienceInfosys
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