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Javier Colmenarez | Elance
 
176985602337900
Last Sign-in: Feb 18, 2016

Javier Colmenarez

Front-End Engineer
   Venezuela
  |   San Felipe, Yaracuy
  |  1:42 am Local Time

Verified Freelancer

Javier Colmenarez's identity has been verified.  Learn More

Overview

Minimum Hourly Rate $30

I'm a Front-End Engineer with more than 7 years of solid experience. I'm specialized in Javascript with an advanced mastery in HTML5 and a superior expertise on CSS3. I'm an enthusiast of the cutting-edge innovations in the Front-End development field and I always do my very best to help your project to satisfyingly get its goal within schedule.

Read More »
Jun 29, 2015|Web Programming|$0|Completed
Oct 20, 2014|Web Programming|$11,142|Completed
|
4.9
Sep 14, 2014|Web Programming|$21,657|Completed
Jan 7, 2014|Web Programming|$9,473|Completed
|
4.8

View All »

Portfolio

Using advanced JavaScript and CSS3 techniques like requestAnimationFrame, and tweening...
http://estudioindeleble.com/pruebaweb/
http://estudioindeleble.com/pruebaweb/
http://estudioindeleble.com/pruebaweb/
http://estudioindeleble.com/pruebaweb/
http://estudioindeleble.com/pruebaweb/
http://estudioindeleble.com/pruebaweb/
This outstanding home page uses some cutting edge technologies in order to bring that...
http://bigrackvodka.com/home
http://bigrackvodka.com/cocktails
http://bigrackvodka.com/contactus
http://bigrackvodka.com/aboutus
http://bigrackvodka.com/news
http://bcontext.com/
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http://bcontext.com/
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http://bcontext.com/
http://regalaregalon.com/
http://regalaregalon.com/
http://regalaregalon.com/
http://regalaregalon.com/
http://regalaregalon.com/
http://regalaregalon.com/

Skills (10)

Tested
Test of Knowledge of General JavaScript Skills
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HTML 5 Test
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HTML
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CSS 2.0 Test
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CSS 3 Test
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CSS3
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jQuery
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AJAX
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LESS

Service Description

I have vast experience in building web apps or web sites of several scales and complexity levels, using the following technologies and skills (but not limited to) :

- JavaScript and its related technologies:
# Either in its native syntax or in an abstraction layer such as CoffeeScript,
# With AJAX and its preferred JSON data format and the consuming of RESTful APIs,
# jQuery and templating engines such as Handlebars.js or Underscore.js,
# AngularJS or Backbone.js and its programming approach MVC/MV*,
# Data visualization using libraries like D3.js and Raphäel.js,
# Event-driven applications using Node.js,
# And development testing tools like Jasmine and JSHint.

- HTML5 and several of its most sophisticated and leading-edge APIs, especially:
# Canvas,
# Drag n' Drop,
# Files,
# XHR2,
# SVG,
# History & Sessions,
# WebRTC,
# Web Sockets,
# Workers and
# Local Storage.

- CSS3 with solid performance in creating any kind of layouts/designs, supporting any platform or device and also building awesome and smooth animations using transitions and keyframes. And using preprocessors like LESS or precompilers like SASS.

- Also I have experience using some of the most powerful applications form the Adobe Creative Suite package like Photoshop when translating UI design to HTML or retouching bitmaps, Illustrator when working with vectorial graphics and Flash of course and the use of its native ActionScript 3.0.

- Support for Back-End web languages like Django and PHP, for design,...

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Employment

18Feats
Fron-End Lead Developer
2013 - 2013
4Geeks
Front-End Developer
2010 - 2013

Education

Instituto Universitario de Tecnología del Yaracuy
Bachelor in Computation, major in Systems
-
Universidad Nacional de las Fuerzas Armadas
Electronics Engineer, major in Telecommunications
-
Overview  |  Job History  |  Portfolio  |  Resume/C.V.

Keywords

javascript
html5
css3
backbone.js
angularjs
jquery
ajax
coffeescript
sass
front-end
My Snapshot
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  • 12 months
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Identity
Username
jcolmenarez
Type
Individual
Member Since
April 2013
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Javier Colmenarez | Elance

Javier Colmenarez