Front end development is mostly focused on what
some may coin the "client side" of development.
Front end developers will be engaged in analyzing code,
design, and debugging applications along with ensuring a
seamless user experience. You manage what people first see
in their browser. As a front end developer you are responsible
for the look, feel and ultimately design of the site.
Front end languages include HTML, CSS, and Javascript.
While JQuery is going out of style (modern browsers can now do the
same work, but much more quickly than jQuery), many legacy projects
still use JavaScript library, so don't be surprised to
see it on a bootcamp's curriculum.