Richard Roncancio
Computer Science Engineer

Computer science engineer with 7+ years of experience in front end development with a deep knowledge in html, css and the javascript programming language. I enjoy learning new things, share the knowledge with other team members and work in exciting new challenges.
Auto1 Group
2018-10-15 - Ongoing
Sr. Front end Developer
Among my responsabilities I have to work on new features for all the applications in the spectrum and the internal tools, analyze and optimize the performance and load times and general bug fixing .
  • Helped built the new user account dashboard, a completely new React and GraphQL application with localization and internationalization.
  • Implemented user authentication and authorization using JWT access and refresh tokens
  • Analize the current application and SEO pages and look for opportunities to optimize performance, load times and and time to interactive leading to several tweaks to the webpack that shrinked the bundle sizes by almost 50%, removed unused JS and css and implementing responsive images strategies.
2014-06-15 - 2018
Sr. Front end Developer
My responsibilities are the development of functional user interfaces, integrations with Ruby on Rails using erb and haml, Research and implementation of new technologies for our front end department, training of new front end hires and building full featured client side applications meeting user requirements in creative, efficient, intuitive and aesthetically pleasing ways.
  • Built our first Mobile Application using React Native
  • Created a simpler reusable and scalable boilerplate in SCSS by implementing SMACSS method and BEM naming convention; this later became the company's default standard.
  • Acted as Front-end Lead for several client side applications base on frameworks such as React.js. and AngularJS.
  • Introduced several new technologies and frameworks to our front end stack including SASS, Backbone.js, emberjs, angularjs, Reactjs, vuejs and new tooling such as Babel js and among others.
  • Helped to evaluate and train several new hires for the front end department.
2012-01-15 - 2014-06-15
Jr. Front end Developer
Started as a junior developer my personal goal was to learn as much as possible and apply that knowledge to build functional websites and to create user interfaces for applications.
  • Built several Marketing sites in HTML, CSS and Javsript (JQuery).
  • Created websites using Wordpress CMS.
  • Integrated HTML markup to Ruby on Rails Applications using erb and haml.
  • Created our first responsive site using the latest techniques at the time
  • Created the baselines for building responsive websites.
  • Actively researched new tools to integrate into the Front end stack and workflow.
2015-03-04 - 2018-09-30
Barranquilla's first javascript community for people wanting to learn and share about javascript
  • founder and speaker
Universidad Autonoma del Caribe
Computer Science Engineering -
2011-06-15 - 2016-06-30
Kyle Simpson
Javascript Training -
2015 - 2016
Native Speaker
Tech Stack
  • Javascript Programming (es2015+)
  • Browser APIs
  • React
  • redux
  • Mobx
  • React Native
  • Vue.js
  • Webpack
  • Babel
  • Apolo Client
  • Functional Programming
  • Ember
  • AngularJS
  • HTML5
  • CSS3
  • BEM
  • PostCSS
  • SASS
  • Styled Components
  • CSS Architecure