I have more 10 years of front-end development experience using javascript/css/html, 5 years of mobile development experience using hybrid techniques such as Cordova/Ionic/React Native. For back-end tech stack, I'm also proficient in NodeJS/mongoDB/MySQL. As for biggest advantages for me is the way of thinking in clients, I would like to recommend the most cost-efficient technique architecture to my clients, also maintainable, extendable, delivery easy.