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Updated weekly · Last refresh Oct 17

Infosys Data Engineer Interview Questions

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

40questions
~7htotal time
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1
SQL & Data ManipulationStart here. 7 questions · ~68 min
Add a New Column in PySparkEasy
Practice

Explain how to add a new column to a DataFrame in PySpark using a derived value.

data preparationData Manipulationdata handlingInfosys
Second-Highest Paid Per DepartmentMedium
Practice

Return employees earning the second-highest distinct salary within each department, including salary ties.

Window FunctionsJoinsRankingInfosys
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2
System Design3 questions · ~29 min
Pipeline Scheduling and ToolsHard

Design how to schedule ML pipelines, choose orchestration tools, and keep training data fresh and reliable.

Feature Storedistributed systemsdata ingestionInfosys
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3
Pipelines14 questions · ~137 min
Automated Pipeline Test Suite StrategyEasy
Recently asked

Approach for building automated pipeline test suites across functional, integration, and regression coverage.

ToolsDependenciesQualityInfosys
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4
Behavioral & Leadership12 questions · ~117 min
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5
More topics4 questions · ~39 min
First Non-Repeating CharacterEasy
Practice
Recently asked

Find the first non-repeating character in a string using frequency counting and a second pass in O(n) time.

Hash TablesStringsSearchingInfosys
Designing Pipelines with ADF or DataflowMedium
Recently asked

Design the layers, ownership, and testability of a typical ADF or GCP Dataflow pipeline.

backgroundCommunicationTestabilityInfosys
Inheritance and Polymorphism in PipelinesMedium
Recently asked

Tests object-oriented design skills applied to maintainable data pipeline code.

javabackgroundoopInfosys
Reverse a String in PythonEasy
Practice
Recently asked

Reverse a string in Python using character traversal and return the reversed result.

StringsfunctionspythonInfosys
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