Merunas Grincalaitis, born in Lithuania and based in Spain since I was 4, have worked with startups globally, helping them create performant web applications, ICOs, dApps, MVPs, technical whitepapers, and security audits. From trading exchanges applications to javascript-based games and ecommerce websites. I wrote the book Mastering Ethereum by Packt containing advanced projects using blockchain technologies. I`m currently working as a freelance while also providing free learning resources through my Medium blog to all developers looking for expert guidance. After completing my Associates degree in Web App development, I`ve been working on web applications for over 5 years in the frontend and backend sides with modern technologies such as: - React - Node.js - Express - Mongodb - Redis - Nginx - Python - Java - Php - Linux bash - AWS servers Right now I`m looking for a full-time or part-time position in which to stay for a longer period to gain that stability and develop meaningful products that actually help people. Check my portfolio at and my personal website at ©