Hi, I am Ayman Ayub I have been working as a front-end web developer, having a solid command of HTML, HTML5, CSS3, Bootstrap, JavaScript, and ReactJS. I have been working as a Reactjs developer and I do clean and error-free code with a proper commendation for each step's clarification.

The key responsibilities:

1. Developing and implementing user interface components using HTML, CSS, and JavaScript
2. Ensuring the technical feasibility of UI/UX designs
3. Collaborating with designers and back-end developers to ensure the website or application is functional and visually appealing
4. Optimizing website or application performance for maximum speed and scalability
5. Ensuring cross-browser compatibility and responsive design
6. Creating and maintaining documentation for front-end systems
7. Staying up-to-date with emerging trends and technologies in front-end development.