I have non-commercial experience with JavaScript, NodeJS, ExpressJS, Git, MongoDB I build simple blockchain application with smart contracts, simple training REST API using ExpressJS, MongoDB

Books: "Metanit JavaScript", "Metanit NodeJS", "JavaScript: The Definitive Guide" David Flanagan, "Web Development with Node and Express Leveraging the JavaScript Stack" Ethan Brown, "Learning Node" Shelley Powers. Web site for learning JavaScript with exercises "Learn JavaScript" Various video cources from Youtube