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Updated weekly · Last refresh Oct 17

Informatica Software Engineer Interview Questions

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

50questions
~9htotal time
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1
CodingStart here. 9 questions · ~102 min
Vertical Symmetry of Binary TreeMedium
Practice

Determine whether a binary tree is mirror symmetric using paired subtree traversal.

dfsData StructuresAlgorithmsInformatica
Heapify ImplementationMedium
Practice

Implement bottom-up sift-down to restore the max-heap property for one array subtree in place.

ArraysData StructuresAlgorithmsInformatica
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2
SQL & Data Manipulation8 questions + 2 drills · ~110 min
3
Execution6 questions · ~68 min
Development Processes and SeleniumMedium

Evaluates experience with engineering workflow and automated testing tooling.

seleniumInformatica
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4
Security & Infrastructure7 questions · ~79 min
CORS ManagementMedium

Evaluates security and web platform knowledge for cross-origin request handling.

web securityInformatica
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5
System Design8 questions · ~90 min
Design a Tiny URL ServiceHard

Tests system design thinking for URL shortening at scale.

system designInformatica
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6
Technical Fundamentals8 questions · ~90 min
Overloading vs Overriding in JavaEasy

Tests understanding of Java polymorphism and method dispatch rules.

javatechnical discussiontechnical fundamentalsInformatica
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7
More topics4 questions · ~45 min
Implement Incremental LoadsMedium

Assesses your approach to efficient data ingestion and change capture strategies.

Incremental loadInformatica
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The finish line: interview-readyComplete all 50 questions plus 2 hands-on drills to finish this plan.