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Frontend Development

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

JavaScript150 questions React80 questions TypeScript90 questions HTML/CSS60 questions

Backend Development

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

Node.js60 questions Python120 questions Java100 questions Go50 questions

Databases

SQL, NoSQL, data modeling, query optimization, and database design.

SQL70 questions PostgreSQL40 questions MongoDB35 questions Redis25 questions

DevOps & Cloud

CI/CD, containers, orchestration, and cloud infrastructure.

Docker40 questions Kubernetes35 questions AWS55 questions CI/CD30 questions

Data Structures & Algorithms

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

Arrays & Strings45 questions Trees & Graphs40 questions Dynamic Programming35 questions Sorting & Searching30 questions

System Design

Architecture patterns, scalability, reliability, and distributed systems.

Scalability25 questions Microservices20 questions Load Balancing15 questions Caching20 questions

Mobile Development

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

React Native30 questions Swift25 questions Kotlin25 questions Flutter20 questions

Security

Authentication, authorization, encryption, and secure coding practices.

OAuth & Auth20 questions Encryption15 questions OWASP25 questions Secure Coding20 questions

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