Ruby Javascript Freelancers

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Nikhil Fernandes Agency Contractor

Application Developer Ruby/Java/Javascript/Nosql

India - Tests: 1 - Portfolio: 4

Looking for challenging work around website development, Ruby on Rails,Java, NOSQL and complex business logic. Have 6 years of software development experience in Web2.0 applications.

$35.00 /hr
221 hours

Francesco Rodríguez

Francesco Rodríguez Agency Contractor

Programmer (Ruby, JavaScript, Redis, Python, Lua)

Argentina - Tests: 2

Hi there! I'm a programmer with a big interest in software security, cryptography, mathematics and computer history. I work at Harmoni where we fight our worst enemy: complexity. We craft projects with Ruby, Cuba, Ruby on Rails, JavaScript, PostgreSQL, Redis, among others. You can find our open source projects at GitHub: If you need to reach me, send an email to

$50.00 /hr
103 hours

Andrei K.

Andrei K.

Ruby on Rails / Javascript( Node + Angular / React /Backbone)Developer

Bulgaria - Tests: 9 - Portfolio: 8

I am a senior ruby on rails developer and javascript architect with more than 12 years experience. I've developed complex web sites and apps from end-to-end using ruby on rails and javascript frameworks. I'm also experienced MEAN stack and Angular full stack developer. I've been working with React/Flux stack for more than a year. My skill sets: Frontend skills: - MV* Frameworks: Angular.js, Backbone.js, Ember.js, Knockout.js, Marionette.js,SproutCore,JQuery UI - Javascript (including ecmascript 5), jquery, ajax, coffeescript, typescript - Javascript Libraries: d3.js, highcharts.js, underscore.js lodash.js async.js - HTML5 (audio, video, canvas, geolocation, localstorage), css3 - Adaptive layouts/frameworks - Bootstrap, skeleton, 960gs,Kendo UI Backend skills: - Ruby (1.7, 1.9, 2.x) / Ruby on Rails (3.x ,4.x) - Node.js / Express.js - PHP 5.3+ - ASP.NET MVC 4, 5 and C# - Java - Python 2.1+ Databases: - Relational: Mysql, MSsql, PostgreSQL, Oracle - NoSQL: MongoDB, Redis, Memcache, Couchdb Knowledge of PHP Frameworks/CMS: - Laravel, Symfony, Code Igniter, Yii - Wordpress / Drupal DevOps: -AWS (EC2, S3, Route53, OpsWorks), Cloud66, Heroku, Rubber, Puppet, Ansible, Capistrano Operating Systems: -Linux (Debian, Ubuntu, Fedora, Suse, and RedHat), Mac OS X, Windows 98, 2000, 2000 Advanced Server, XP, 2003 Server, 7 and 8 Other technologies: -AMQP (RabbitMQ), ZeroMQ, Resque, ElasticSearch -Programming Editors/IDEs: vim, emacs, TextMate, JetBrains (RubyMine, WebStorm) -Source Code Control: Git, Mercurial, Subversion I'm a great communicator , expert programmer, innovator and proactive-problem solver. I have been a technical lead for various projects before and I am very familiar with agile development approach. Thanks.

$45.00 /hr
711 hours

Rodion S.

Rodion S.

Ruby on Rails / Javascript / Angular Developer, Team Lead

Ukraine - Tests: 7 - Portfolio: 10

My experience is totally 9+ years of commercial development. I posses in-depth knowledge of Ruby, Ruby on Rails, HTML5, JavaScript, Node.JS and Angular.JS. I worked for Yandex company as a frontend team lead at Yandex Metrika project (Russian analogy of Google analytic; Metrika is the most popular service for counting statistics for mobile apps and sites in Russia). I can not imagine my day-to-day development process without Git and Scrum. I use cutting edge methodologies and technologies to develop ground-breaking web platforms, optimized for performance and scale. I deliver commercial websites that are cross-device compatible. My code is always well-tested, documented, efficient and reliable. I have worked as CTO for building single page applications for a long time, and now I am looking also into the side of mobile development. I have received certain experience in this area and I could help you to build mobile application with xCode. Having strong knowledge in Objective C I could manage with your project and turn your tasks into working mobile application.

$25.00 /hr
728 hours

Serghei S.

Serghei S.

Ruby on Rails, .NET,ASP.NET,C#, javascript, jquery Senior Developer

Moldova - Tests: 7 - Portfolio: 6

I am ambitious and hardworking FULL STACK developer with 7+ YEARS of experience. If you are trying to build a GREAT site or software , if you experience ANY issue with the existing one, I will be happy to assist you with this because my profession is to HELP people and I have necessary skills to do this. Languages: C#, Ruby, JavaScript, SQL, HTML5,HAML,CSS3. Technologies: Ruby on Rails, ASP.NET MVC, JQuery , AJAX, Oracle, OracleSpatial, LINQ, EF, WPF, ADO.NET,Unit Testing, Nunit, git,github,SVN,Agile, SCRUM, Bootstrap, Microstation,datashift spree, Ruby gems. * I started with Ruby 1.8.7 and Ruby on Rails 2.0.2 so don't hesitate contacting me if you have an old application or you are try to migrate to new Ruby on Rails.(I have such experience also).

$22.22 /hr
1,379 hours

Yury Pliashkou

Yury Pliashkou Agency Contractor

CTO, Lead Web Engineer (PHP, Node, Ruby, JavaScript)

Belarus - Tests: 7 - Portfolio: 3

Hello, My name is Yury, I'm available online 16 hrs a day. Location: Belarus (Eastern Europe) GMT +3 Technologies: PHP stack : Symfony 2, Silex, Sylius, Bolt CMS, Symfony CMF, Zend Framework 1-2, Joomla 2-3 Javascript stack: jQuery, Angular, Bacon, jQuery mobile, Backbone, Underscore; DB: Doctrine ORM, MySQL, MongoDB, Memcached, PostgreSQL, SQLite Services: REST, SOAP, JSON APIs: Facebook, VK, Google, Tumblr, Twitter, SMS gates Search: Sphinx, ElasticSearch Caching: HTTP, file, Varnish Etc.: Highload optimization Spoken English, Polish, Russian, Belarusian

$50.00 /hr
2,932 hours

Jon Village

Jon Village

Full Stack Web Developer / Ruby on Rails / Javascript Expert

Argentina - Tests: 2 - Portfolio: 3

Hey! How are you doing? Let me tell you I feel great. You might be asking why? Well, because I think you have come to the right place. If you are looking for a Software Developer I can help you! Here is my story, I am a software developer with more than 5 years of experience living in Argentina, a great country with a lot of creative minds. I started programming in Java and with that language I learn to make excellent software designs, applying object oriented programming techniques, design patterns and test driven development However, now I am a software developer with expertise in Ruby, a language which allows me to make great software applications and fast applying all my knowledge in agile programming. Also as one of my passions is the web I learned HTML5 and Javascript so I can make any web application you need. I love programming, I am very passionate about it, and I am always open to learn new things. There is nothing that cannot be done! So you are thinking in working with me. Excellent! Let me describe you what I do: Expert Object oriented software design and maintainable code. Full agile development with milestones, estimations all delivered in time. I use git for all my projects to track versions and changes so we can make any changes you want without losing anything. I will support you with ideas so your application can be the best. Full commitment to work. Let's talk and know each other! "Energy and persistence conquer all things." Benjamin Franklin "Without deviation from the norm, progress is not possible." Frank Zappa "Learn from yesterday, live for today, hope for tomorrow. The important thing is not to stop questioning." Albert Einstein

$35.00 /hr
162 hours

Abdullah Muhammad

Abdullah Muhammad Agency Contractor

Ruby on Rails Expert, Web Services, Javascript, Bootstrap

Pakistan - Tests: 3 - Portfolio: 8

I'm a senior developer with over 7 years of extensive hands-on experience and demonstrated ability to deliver high quality results. I have expertise in multiple cutting-edge web application frameworks, specifically, Ruby on Rails. I also have good hands in Javascript frameworks like jQuery and ExtJS.

Groups: Bluehost Developers and Designers

$35.00 /hr
2,647 hours

Ken Hart

Ken Hart

Ruby on Rails Programmer, AJAX & JavaScript Web 2.0 Developer

United States - Tests: 5 - Portfolio: 7

Ruby on Rails developer, extensive experience with end-to-end web application development, which includes graphic design, layout, and content. Experience with Facebook API, GoogleMaps API, Restful Authentication (login functionality), PayPal, ActiveMerchant, Sphinx search plugins, & Captcha. HTML, CSS, JavaScript & AJAX development - Web 2.0.

$32.78 /hr
262 hours