DevOps Engineer Interview Preparation
DevOps and Site Reliability Engineering interview prep covering infrastructure, automation, and monitoring.
Key Skills & Technologies
Infrastructure as Code
CI/CD
Containerization
Monitoring
Cloud Platforms
Automation
Interview Focus Areas
Infrastructure as Code (Terraform, CloudFormation)
CI/CD pipeline design and implementation
Containerization and orchestration (Docker, Kubernetes)
Monitoring and observability
Cloud platform expertise (AWS, GCP, Azure)
Automation and scripting
Top DevOps Engineer Coding Questions
Practice these 20 most relevant coding problems for devops engineer interviews.
#1
Recommended
#3594MediumFrequency: 100%
Identify the Largest Outlier in an Array
Hash TableArrayCountingEnumeration
#2
Recommended
#3655MediumFrequency: 100%
Digit Operations to Make Two Integers Equal
GraphMathHeap (Priority Queue)Number TheoryShortest Path
#3
Recommended
#3638HardFrequency: 100%
Minimum Operations to Make Character Frequencies Equal
Hash TableStringDynamic ProgrammingCountingEnumeration
#4
Recommended
#3613MediumFrequency: 100%
Maximize Amount After Two Days of Conversions
GraphArrayStringDepth-First SearchBreadth-First Search
#5
Recommended
#716HardFrequency: 100%
Max Stack
DesignLinked ListStackDoubly-Linked ListOrdered Set
#6
Recommended
#7
Recommended
#532MediumFrequency: 100%
K-diff Pairs in an Array
Hash TableArrayTwo PointersBinary SearchSorting
#8
Recommended
#1423MediumFrequency: 100%
Maximum Number of Occurrences of a Substring
Hash TableStringSliding Window
#9
Recommended
#10
Recommended
#295HardFrequency: 100%
Find Median from Data Stream
DesignTwo PointersSortingHeap (Priority Queue)Data Stream
#11
Recommended
#362MediumFrequency: 100%
Design Hit Counter
DesignArrayBinary SearchQueueData Stream
#12
Recommended
#314MediumFrequency: 97%
Binary Tree Vertical Order Traversal
Hash TableTreeDepth-First SearchBreadth-First SearchSortingBinary Tree
#13
Recommended
#14
Recommended
#15
Recommended
#1790MediumFrequency: 91%
Lowest Common Ancestor of a Binary Tree III
Hash TableTwo PointersTreeBinary Tree
#16
Recommended
#17
Recommended
#621MediumFrequency: 85%
Task Scheduler
Hash TableArrayGreedySortingHeap (Priority Queue)Counting
#18
Recommended
#3MediumFrequency: 84%
Longest Substring Without Repeating Characters
Hash TableStringSliding Window
#19
Recommended
#20
Recommended
All Interview Questions
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Topics & Algorithms
Practice by specific algorithm and data structure topics
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