FE
Frontend Interview Preparation
What you need for a Frontend (FE) tech interview:
Core Skills
- Strong understanding of HTML, CSS, and JavaScript (ES6+)
- Deep knowledge of at least one modern frontend framework (React, Vue, Angular)
- Familiarity with state management (Redux, Context API, Vuex, etc.)
- Experience with REST APIs and/or GraphQL
- Responsive and accessible web design principles
- Component-based architecture and modular code
Coding & Problem Solving
- Ability to solve algorithm and data structure problems in JavaScript
- Comfort with live coding and whiteboard exercises
- Debugging and performance optimization skills
- Experience with build tools (Webpack, Vite, etc.) and package managers (npm,
yarn)
- Version control with Git
- Testing (unit, integration, E2E with Jest, Testing Library, Cypress, etc.)
Soft Skills
- Clear communication and ability to explain technical concepts
- Code review and collaboration experience
Interview Preparation
- Practice common FE interview questions (see the Q&A section)
- Build and review small projects or coding challenges
- Be ready to discuss trade-offs, best practices, and recent trends in frontend
development
Most Probable React Interview Questions (2025)