What is a full stack JavaScript engineer?

A Full Stack JavaScript Engineer is a developer who is proficient in both front-end and back-end development using JavaScript technologies. They work on the client-side (using frameworks like React, Angular, or Vue.js) as well as the server-side (often with Node.js and Express). This role involves building, testing, and maintaining web applications, managing databases, and ensuring seamless interaction between the front and back ends. Full Stack JavaScript Engineers are valued for their ability to handle all layers of a web application, making them versatile members of any development team.