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Yuriy Omelchuk

Yuriy Omelchuk Agency Contractor

Senior Ruby on Rails Consultant

Ukraine - Tests: 10 - Portfolio: 12

I can offer 10 years of experience as web developer and consultant with wide range of skills - from Ruby on Rails and JavaScript programming to server administration, project management and UI design. During my career first as a freelancer and later as company owner and team lead I had opportunity to work on large variety of projects including e-commerce, big data crawling and processing, custom CMS systems, social networking and variety of API integrations. I love working on projects from the early stages to provide maximum input of my technical expertise. In my work I strive for high quality, simplicity and maintainability. I do my best to deliver more than you expect.

Groups: Engine Yard Ruby on Rails Professionals Network, Twilio

$50.00 /hr
3,218 hours

Paul S.

Paul S. Agency Contractor

iOS / Android Mobile Application Development

Belarus - Tests: 6 - Portfolio: 6

I work as lead mobile application developer at Ikantam team, we deliver turn-key solutions for young startups and established businesses. Have a large number of iOS and Android solutions in portfolio developed for retail, hospitality, finance and automotive industries. Having a lot of experience in launching startups for US maket allows us to deliver a working business solution, not just mobile or web application. Working with us is your guarantee of business success.

Groups: Application Developers Alliance, Bluehost Developers and Designers...

$21.00 /hr
4,234 hours

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
7,735 hours