I am helping my clients to build scalable, testable, efficient React components. I have 6 years of full stack web development experience. During my career as a web developer I have architect and builded projects in fields as: Reservation System, Ride hailing App (Careem), Websites constructor (https://www.gastroguide.de/), Advertising System(https://www.factor-eleven.de/), Travel and expense (Circula), File Manager (on AWS S3 storage), Form Builder, Restaurant Menu Builder, REST API for mobile apps?. My web portfolio: https://andrii-sirko.github.io/portfolio/