React.JS Framework Developer Certification
The React.JS Framework Developer certification validates the holder’s ability to design and implement robust solutions using ReactJS, a fundamental skill for modern software development. It confirms proficiency in building reusable components, managing application state, and creating interactive user interfaces. Earning this certification demonstrates job-ready expertise with one of the industry’s most widely used front-end frameworks.
Exam Length
90 minutes
Questions
90 items
Passing Score
73% or higher
About this certification
This exam is intended for individuals who want to strengthen their foundational knowledge of React, a key competency in modern web development. It is ideal for those new to React or seeking to formally validate their skills with this widely used JavaScript library. Earning the React Essentials certification demonstrates to employers that you can confidently build, maintain, and improve React-based applications, increasing your competitiveness for front-end and application development roles.
What you're expected to know
- Understanding React components, props, and state management
- Building reusable UI components and organizing code for maintainability
- Managing user interactions with event handlers and controlled components
- Working with JSX to structure interfaces and incorporate dynamic data
- Using hooks such as useState and useEffect to handle logic and lifecycle behavior
- Implementing routing, conditional rendering, and component composition
- Integrating APIs and handling asynchronous data within React applications
- Building multi-section, interactive interfaces and small-to-medium React applications
Recommended experience
Candidates should have 1–6 months of hands-on practice working with HTML, CSS, and basic JavaScript, gained through coursework, bootcamps, self-study, or on-the-job experience. This foundational knowledge supports understanding React’s component-based structure and interactive features.
Exam details
- Format
- Multiple-choice & scenario-based items
- Delivery
- Online, remote proctor or authorized test center
- Language
- English
- Badge validity
- Aligned to certification term
How to get started
- Review the official exam outline and objectives.
- Complete training or self-study using COITB resources.
- Schedule your exam through your COITB account.
- Pass the exam and claim your digital badge.
Need help? Contact support@coitb.org.