Petros K.

Very good knowledge of backend languages like NodeJS (Express framework) and Ruby (RoR framework) Very good knowledge of javascript frameworks like AngularJS, Angular 6 Very good knowledge of Typescript Competent knowledge VueJS Working Knowledge of ReactJS, GatsbyJS Knowledge of GraphQL, Apollo Client, Prisma, Graphql-Yoga Stack Knowledge of design pattern implementations like Redux, Ducks Very good knowledge of HTML5, CSS3, SASS (.scss) Very good knowledge of mobile development using Ionic Working knowledge with build tools like Gulp and ParcelJS Version control (Git), user of Github & Bitbucket Serverless functions using Amazon Lambda Deployments in Digital Ocean, Heroku, Netlify Test driven development (TDD) using Karma, jasmine, End to end tests using PuppyJS, Puppeteer and Jest Use of Postgresql, MongoDB and SQLite Experience with ORMs like Mongoose and ActiveRecord Good knowledge of linux User of Slack, Trello, JIRA, Amazon S3, EC2, SES, EMR, Google App Engine