Built core FE apps and several sub-projects, using technologies such as Angular, web components, Typescript, Rollup, Lit, Jest, Playwright,etc.Worked on the implementation of the foundation of the SDK and the main project's internal state management.Integrated several payment processors like Stripe, Braintree, Authorize, PayPal with different payment options like credit card, Apple Pay, or Google Pay.Implemented performance optimizations including lazy load and prefetch strategies.

Customization, development and maintenance of Shopify e-commerce sites

I worked as a Frontend developer as part of the developer team of the international travel agencies Trafalgar and Costsaver, using technologies such as Typescript, Angular 7, VueJs or SASS to build their webs. Working alongside the designers, Backend developers, QAs in an agile team with members based in the UK, Spain, India, Ukraine and the Czech Republic.We developed Frontend components based on the designs and functional specifications to be used in Sitecore 9 CMS focusing on usability, RWD and accessibility.I also worked on the Frontend architecture of the project as well as on the improvement of the development and build process with tools such as Gulp or Webpack

Worked on maintaining and developing new features on different projects build with AngularJS and Bootstrap. The communication with the backend was performed through Websocket using Google's Protobuf library. I started various projects to replace the existing applications with new ones based on Angular 5/6, Angular Material and Bulma as well as new hybrid apps developed with Ionic 3. In these projects, I designed and developed the architecture and the base components and services to manage communication, data, status, sessions and so on.

I developed web sites and web applications for my own clients using frameworks and libraries like AngularJS, Bootstrap, jQuery, CMS like Wordpress, Joomla, Prestashop and MySQL or MongoDB databases or tailor-made develop with HTML, CSS and Javascript. As a freelance I used to manage the whole process of each project, requirements gathering, design, architecture definition, development, deploy, maintenance, etc. Some projects: • Custom made projects for a client to manage its manufacturing, billing and warehousing process. I developed the project using AngularJS, a PHP and MYSQL backend. • A project to save and manage all information of a client’s recycling containers, positioning them on a map and consulting through an Android app to get route information. The main application was developed with AngularJS and Bootstrap, the Android app with Ionic 1 and the backend with NodeJS, Express and MongoDB. In this project, I used the Google Maps API to display and manage maps. • A web application for a town hall to input tax information in an easy way and send it to the central API in the specific format. Done with Javascript, Bootstrap and a PHP and MySQL backend. • Corporate web with e-commerce solution built with HTML, SASS, jQuery and Prestashop as e-commerce CMS, with integration with payment gateways. Also, in the first years, I did some other IT works like system maintenance, technical support, repair, etc.

Técnico de campo de sistemas de ADSL para empresas como BT, Tele2, Wanadoo, Telefónica, Colt, etc.Técnico informático externo en distintos proyectos en clientes finales como Sermicro, Getronics, Alcatel-Lucent, etc.