To ace a full stack interview, you must be familiar with basic languages like HTML, CSS, and SQL, frontend frameworks like BootStrap, AngularJS, VueJS, ReactJS, JavaScript, TypeScript, Python, Ruby, and PHP, and backend frameworks like Express, Django, NodeJS, and Ruby on Rails. Moreover, you must be familiar with databases like MySQL, SQLite, Postgres, MongoDB, Cassandra, Apache storm, and Sphinx. Additional skills recommended are Git, machine learning, SSH, Linux command, data structures, and character encoding. You should also have a basic understanding of HTML5, CSS3, Android Studio, Flutter, and other related technologies as per application.