Vasyl Stokolosa successfully completed the Full Stack Web Development Specialization from Coursera, which included 6 courses covering front-end development with HTML, CSS, JavaScript, and frameworks like AngularJS and Bootstrap, as well as back-end development with Node.js, MongoDB, and building hybrid mobile apps with Ionic and Cordova. The specialization culminated in a capstone project to build a fully functional web and mobile application with back-end support.