JavaScript is a popular programming language that is widely used in web development, which means that there are many job opportunities available for those with expertise in JavaScript. Here are some of the most common job titles that involve using JavaScript: - Front-end Developer: A front-end developer uses JavaScript along with HTML and CSS to create the user-facing part of web applications. This includes creating interactive elements, animations, and other visual effects.  - Full-stack Developer: A full-stack developer is responsible for both the front-end and back-end of web applications. This means that they must be proficient in JavaScript as well as other technologies such as Node.js, React, and more.  - Web Application Developer: A web application developer is responsible for designing, building, and maintaining web-based applications that use JavaScript and other web technologies.  - UI/UX Developer: A UI/UX developer uses JavaScript to create intuitive user interfaces and improve the user experience of web applications.  - Software Engineer: Software engineers use JavaScript to create and maintain software applications that can range from desktop applications to mobile apps and web applications.  - Technical Lead: A technical lead is responsible for leading a team of developers, and they must have strong expertise in JavaScript and other programming languages.