Top 50
Prep plan
Updated weekly · Last refresh Oct 17
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HCL Tech Software Engineer Interview Questions

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

50questions
~8htotal time
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1
CodingStart here. 9 questions · ~85 min
Detect Cycle in Linked ListEasy
Practice

Use Floyd’s two-pointer algorithm to determine whether a singly linked list contains a cycle.

Hash TablesLinked ListsTwo PointersHHCL Tech
Reverse a String in PythonEasy
Practice

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

StringsfunctionspythonHHCL Tech
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2
SQL & Data Manipulation9 questions + 3 drills · ~115 min
3
Security & Infrastructure8 questions · ~75 min
C and Operating System FundamentalsMedium

Assesses your understanding of low-level programming and OS concepts.

Operating SystemsHHCL Tech
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4
Technical Fundamentals8 questions · ~75 min
Web Development Technical DefinitionsEasy

Assesses your foundational understanding of web development concepts.

HHCL Tech
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5
System Design8 questions · ~75 min
Angle Projection DrawingMedium

Assesses your ability to reason about technical drawing and projection conventions.

HHCL Tech
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6
Execution4 questions · ~38 min
Automation, GenAI, and Digital TransformationMedium

Assesses exposure to modern engineering themes and ability to describe impact.

Digital TransformationAutomationHHCL Tech
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7
More topics4 questions · ~38 min
State File ManagementMedium

Assesses understanding of infrastructure-as-code state handling and operational safety.

state managementHHCL Tech
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The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.