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Frontend Development

HTML, CSS, JavaScript, React, Vue, Angular and modern UI frameworks.

JavaScript150 questionsReact80 questionsTypeScript90 questionsHTML/CSS60 questions

Backend Development

Server-side programming, APIs, authentication, and business logic.

Node.js60 questionsPython120 questionsJava100 questionsGo50 questions

Databases

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SQL70 questionsPostgreSQL40 questionsMongoDB35 questionsRedis25 questions

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Docker40 questionsKubernetes35 questionsAWS55 questionsCI/CD30 questions

Data Structures & Algorithms

Arrays, trees, graphs, sorting, searching, and complexity analysis.

Arrays & Strings45 questionsTrees & Graphs40 questionsDynamic Programming35 questionsSorting & Searching30 questions

System Design

Architecture patterns, scalability, reliability, and distributed systems.

Scalability25 questionsMicroservices20 questionsLoad Balancing15 questionsCaching20 questions

Mobile Development

iOS, Android, React Native, and cross-platform development.

React Native30 questionsSwift25 questionsKotlin25 questionsFlutter20 questions

Security

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OAuth & Auth20 questionsEncryption15 questionsOWASP25 questionsSecure Coding20 questions

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