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Updated weekly · Last refresh Aug 30

airtel Software Engineer Interview Questions

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

50questions
~10htotal time
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1
CodingStart here. 9 questions · ~106 min
Lowest Common Ancestor in BSTEasy
Practice

Find the lowest common ancestor of two nodes in a binary search tree using BST ordering.

RecursionTreesairtel
Reverse a Linked ListEasy
Practice

Reverse a singly linked list in place using pointer manipulation.

RecursionLinked Listsairtel
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2
SQL & Data Manipulation9 questions · ~106 min
Second-Highest Salary SQLMedium
Practice

Find the second-highest salary and department statistics using DENSE_RANK, LEFT JOIN, GROUP BY, and aggregate functions.

JoinsGroup Bysqlairtel
SQL Query for 3rd LargestMedium
Practice

Find Airtel subscribers with the third-highest January data usage using joins, aggregation, a CTE, and DENSE_RANK.

databasesqlairtel
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3
Execution9 questions · ~106 min
Learning New Tech Under DeadlineEasy

Describe how you learned an unfamiliar technology quickly enough to deliver a high-stakes engineering project without missing the deadline.

Launch PlanningRisk AssessmentScope Managementairtel
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4
Security & Infrastructure9 questions · ~106 min
TCP/IP and Networking FundamentalsMedium

Evaluates your depth in networking fundamentals and ability to connect them to real projects.

Networkingairtel
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5
System Design8 questions · ~94 min
DP, OOPS, Trees, Heaps, Multi threading, Api limitersMedium

Assesses your breadth across DP/OOPs, data structures, concurrency, and rate limiting.

oopairtel
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6
Pipelines4 questions · ~47 min
Explain Inbound IntegrationMedium

Assesses integration design thinking and understanding of data flow into services.

integrationairtel
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7
More topics2 questions · ~24 min
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