Perform tasks such as documentation, application logic development, unit testing, debugging, maintenance, and back-end migrations using Hapi, NestJs, and Express management databases such as SQL (PostgresSQL, MySQL) and NoSQL (MongoDB) in management protocols APIs like HTTP/s and GraphQL. in mobile work using React Native and Flutter. in Frontend do similar tasks using React (Gatsby and NextJS) and Angular, also implement UI libraries like Bootstrap, Material and