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sebastian serrano

sebastian serrano Agency Contractor

Python/Django/Google App Engine/Ajax WebDeveloper and SysAdmin

Argentina - Tests: 3 - Portfolio: 2

I'm a web developer and sysadmin with some management skills. I've worked freelance and full-time as Project Manager, Application Developer, Network and Security Administrator in a wide variety of businesses. I'm particularly interested in web2.0 applications. Currently fallen in love with the Python/Django webframework and cloud technologies mainly the Google App Engine and Amazon AWS infrastructure. Im also learning about collective intelligence and semantic web programming. specialties: Languages: Python, Java, C/C++, SQL Web frameworks: Django, Turbogears Cloud technology: Google App Engine, Amazon AWS Client-side technology: HTML/XHTML, HTML5, CSS, JavaScript, jQuery Mobile: Android, jQuerymobile, PhoneGap

Groups: AWeber, MailChimp Experts Group...

$75.00 /hr
2,401 hours

Sadan M.

Sadan M.

Sr. Ruby on Rails,AngularJS,NodeJS,MEAN stack Developer

Russia - Tests: 16 - Portfolio: 5

I have been developing full stack Ruby-driven web applications since early 2008 via Rails, EventMachine, RSpec, Heroku, github and numerous third party libraries. Previously I have worked as an oDesk Premium Service Provider. Since 2012, I am developing applications in Angular JS with Rails or Node JS Backend. When developing with Node JS backend I prefer going with MEAN Stack. I am a passionate software engineer and agile practitioner who love to solve hard problems.I love developing high quality software that adds a little something to people's lives and looks great while doing so. I am interested in building quality software. I do not write code that just work, but also well designed, easy to understand, maintain and extend in the future by using test-driven development (TDD). Technologies: Backend: Ruby on Rails , Node JS, PHP Frontend: Angular JS, Backbone JS, Rafael JS, Twitter Bootstrap, Zurb , jQuery Ruby Testing Frameworks: Rspec. Cucumber, Shoulda, Capybara JS Testing Frameworks: Should, Supertest, PhantomJS Types of systems I've been working on (most were covered by NDAs): - ERP systems (for a production line in a factory) - Healthcare Appointment Scheduling Systems. - advertising platforms (using AdWords and AdSense) - banking systems ( I learned a lot about accountancy, security and encryption) - MLM platforms - social networks - meta-data distribution platforms

Groups: Application Developers Alliance, Engine Yard Ruby on Rails Professionals Network...

$33.33 /hr
7,851 hours

Roman F.

Roman F.

Canada - Tests: 2

Groups: Twilio

$30.00 /hr
1 hours

Duc Le Van

Duc Le Van

VoIP & Web Developer

Vietnam - Tests: 4 - Portfolio: 1

Best Service, Best time, Best choice I am a VOIP developer with more than 3 years. I have worked on many opensource like Asterisk, Kamailio, Freeswitch ... I have create many system voicemail, call center, sms from small to huge. I have using many API to VOIP prject like Tropo, Plivo, Twilio, Vitelity ... I also a web developer with strog skills in PHP, Python, Java, .Net ... I have used many frame work like Wordpress, Magento, Django, Codeigniter...

Groups: Twilio

$15.00 /hr
307 hours

Faisal Basra

Faisal Basra Agency Contractor

Experienced Java Developer (Web, Mobile)

Pakistan - Tests: 7

Faisal Basra is an independent consultant, software developer, writer, blogger, speaker, architect and technology leader in Lahore, Pakistan. He has been a professional software developer since 2008, has been writing code since 2006. Having hands on experience of popular Java EE frameworks & technologies like JSF, Spring, Hibernate, Hibernate Enverse, JPA, Richfaces, Primefaces, JSP/Servlet. I have taken many initiatives while working with teams. Some of includes Automated Build & Release Management system via Hudson, Maven, Archiva & SVN. Chief Editor/Blogger at Framworks & Technologies: JSF, Richfaces, Primefaces, Openfaces, Struts, Hibernate, Spring, ORMLite Tools & Servers: jUnit, Log4j, Maven, Eclipse, MyEclipse, NetBeans, Tomcat, Jboss.

Groups: PHPFox, Twilio

$12.00 /hr
39 hours