A Junior Front-End Developer is an entry-level web developer who specializes in the front-end development of websites and web applications. They are responsible for creating the user interface (UI) and ensuring that the visual elements and interactions are responsive and user-friendly. Here are some key aspects of a Junior Front-End Developer’s role:

1. HTML/CSS: Proficiency in HTML (Hypertext Markup Language) and CSS (Cascading Style Sheets) is fundamental. Junior Front-End Developers use HTML to structure web content and CSS to style it.
2. JavaScript: Basic knowledge of JavaScript is essential for adding interactivity and dynamic behavior to web pages. This includes working with JavaScript libraries and frameworks like jQuery.
3. Responsive Design: Understanding responsive web design principles is crucial. Junior Front-End Developers ensure that websites display correctly on various devices and screen sizes.
4. Cross-Browser Compatibility: Testing and ensuring that web pages function consistently across different web browsers (e.g., Chrome, Firefox, Safari, Edge).
5. UI/UX Design: Collaborating with UI/UX designers to implement the design elements, including layouts, fonts, colors, and user interface components.
6. Version Control: Familiarity with version control systems like Git for tracking changes to code and collaborating with other developers.
7. Web Performance: Basic knowledge of web performance optimization, such as image optimization and minimizing HTTP requests.
8. Testing and Debugging: Identifying and fixing issues in web pages through testing and debugging. Knowledge of browser developer tools is helpful.
9. Basic Front-End Frameworks: Depending on the job requirements, a Junior Front-End Developer might have exposure to front-end frameworks like React, Angular, or Vue.js.
10. Task Runners and Build Tools: Familiarity with task runners like Grunt or Gulp and build tools like Webpack for automating development tasks.
11. Collaboration: Working closely with back-end developers and other team members to integrate front-end and back-end systems.
12. Continuous Learning: Staying updated with the latest web development trends, technologies, and best practices.
13. Problem-Solving: Developing problem-solving skills to overcome challenges related to front-end development.
14. Documentation: Documenting code and processes for reference and collaboration.
15. Portfolio: Building a portfolio of personal or small projects to showcase skills and experience to potential employers.