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Ruby on Rails is an open-source web application framework used by web developers for rapid development of a wide variety of online applications, including ecommerce, social media and productivity. On Upwork, the world’s largest online workplace, companies hire Ruby developers to successfully complete jobs including shopping cart integration, resource management applications, migration projects, and chat applications.

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Last updated: August 1, 2015
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  1. Mihai Dinculescu

    Mihai Dinculescu

    Application Developer

    Romania - Last active: 1 day ago

    a) Unity3D and VR enthusiast - VR Game Demo to be released in July 2015. b) Full stack application developer with over eight years of experience developing: - Ruby on Rails web applications - ASP.NET MVC and Web Forms web applications - Windows native applications and services - Office Automation solutions *** TDD / BDD Adept *** Certifications: - (2015) Microsoft Certified Solutions Developer: Web Applications - (2014) Microsoft Certified Specialist: C# I am an early adopter of all new interesting software that comes my way and, seeing as I am always on the lookout for the latest tools, there are few that escape me. To give you an example in this regard, back in 2007 I beta tested LINQ and provided feedback for Scott Guthrie's articles. Programming is my job for about eight years now, yet it is my no. 1 hobby ever since my first year in high-school. I find coding a very rewarding challenge and exceeding expectations is a big part of the fun for me. Rather than compete on quantity or price, I prefer to go for the best quality my client can wish for. Specialties: ▪ Unity3D ▪ .NET with C# 2.0, 3.5, 4.5 ▪ Ruby on Rails ▪ JavaScript, jQuery, AngularJS, Bootstrap ▪ ASP.NET MVC ▪ ASP.NET WinForms ▪ ASP.NET WebForms ▪ Web API, WCF, SOAP Web Services ▪ Entity Framework, OrmLite, Linq to SQL, ADO.NET ▪ Microsoft SQL Server, Oracle Database, MySQL ▪ Office .NET API ▪ Active Directory .NET API ▪ Windows Azure ▪ Telerik Controls ▪ VMWare ▪ Git, SVN Sources I found to be relevant when developing my competences: ▪ (ongoing) Codewars, Code School, Pluralsight, Microsoft Virtual Academy, Channel 9, Telerik Webinars ▪ (2015) The Clean Coder: A Code of Conduct for Professional Programmers, Robert C. Martin ▪ (2015) Clean Code: A Handbook of Agile Software Craftsmanship, Robert C. Martin ▪ (2015) Office 2013 Bible, Lisa A Bucki ▪ (2015) Visual Studio Tools for Office 2007, Eric Carter, Eric Lippert ▪ (2015) Open XML Explained, Wouter Van Vugt ▪ (2014) Exam Ref 70-487: Developing Windows Azure and Web Services, William Ryan ▪ (2014) Exam Ref 70-486: Developing ASP.NET MVC 4 Web Applications, William Penberthy ▪ (2013) Exam Ref 70-483: Programming in C#, Wouter de Kort ▪ (2013) CLR via C#, 3rd & 4th Editions, Jeffrey Richter ▪ (2012) MCTS Self-Paced Training Kit (Exam 70-536): Microsoft .NET Framework-ApplicationDevelopment Foundation, Tony Northrup ▪ (2011) C# 2. 0 The Complete Reference, Herbert Schildt

    $45.00 /hr
    445 hours
  2. Krasimir H.

    Krasimir H.

    Expert Project Manager and Web Developer

    Bulgaria - Last active: 1 day ago - Tests: 5 - Portfolio: 2

    I've worked as a Web developer (mostly in PHP 5/MySQL although I started in Perl and I've also done some Ruby on Rails) since 1999 (yes, there was a World Wide Web back then) but I've been a project manager in the past years. I'm looking for some extra work so I can keep my development skills in shape (and because I still love programming).

    $44.44 /hr
    437 hours
  3. Govind kumar S.

    Govind kumar S.

    Expert in RoR, Node.js, iOS, Android, Bootstrap, BackboneJS, AngularJS

    India - Last active: 1 day ago - Tests: 4 - Portfolio: 4

    I develop web applications & RESTful API's for native mobile or web applications. The best part about working with me is that I focus on how to best exceed your expectations, way past meeting your needs. I have a great deal of expertise in: - RESTful Web Services - Ruby on Rails, Node.js, C#, ASP.NET, Python - Amazon Web Services, Android, Java - OpenTok (WebRTC), FFMPEG, WebSocket - Braintree, PayPal, Stripe, SendGrid - MongoDB, MySQL, Oracle, PostgreSQL - AngularJS, Backbone.js, Ember.js - html, css, Javascript, JQuery, Bootstrap, HighCharts, xml - Git, GitHub, Bitbucket - StackOverflow, Basecamp, Trello - RubyMine, WebStorm, Aptana, NetBeans

    $27.78 /hr
    88 hours
  4. Dmitry Z.

    Dmitry Z.

    DevOps, Expert Linux Administrator

    Russia - Last active: 1 day ago - Tests: 8 - Portfolio: 4

    I am a DevOps who has strong skills and pragmatic experience. Also I had extensive IT background as an expert Linux sysadmin for over 12 years. My knowledge of programming languages and systems administration allows me to integrate and automate much of my work. Linux distros: RHEL, CentOS, Ubuntu, Debian Virtualization hypervizors and containers: KVM, VMware ESXi, oVirt, OpenVZ, LXC, Docker, DEIS, Kubernetes Cloud platforms and API: AWS, DigitalOcean, Softlayer, Rackspace, Linode Monitoring: Zabbix, Nagios/Icinga, Munin, Cacti, Monit Load balancers: HAProxy, Nginx Web servers: Apache, Nginx App servers: Phusion Passenger, Apache Tomcat DB: MySQL, Percona XtraDB Cluster, PostgreSQL, Redis, MongoDB Mail servers: Postfix, Exim, Sendmail, Dovecot, Courier Control panels: cPanel/WHM, Parallels Plesk/Power Panel Configuration management and deployment: Chef, Capistrano Continuous Integration: Jenkins SCM: Git Scripting: Bash, Ruby, Python Frameworks: Ruby on Rails BDD: RSpec, Capybara

    $44.44 /hr
    1,032 hours
  5. Vladimir Katansky

    Vladimir Katansky

    Software Engineer - Javascript/React/Ember/Node/Rails

    Ukraine - Last active: 1 day ago - Tests: 8 - Portfolio: 3

    Hello! I'm well-seasoned full-stack software engineer with 4+ years of experience creating exceptional products using next technologies: Javascript, jQuery, Ember, React, Ruby, Java, HTML5, CSS3, SASS, Swift, MySQL, Mongo, PostgreSQL. The most advanced skill is the native JavaScript and Ember/React. My skills also include Prototyping (UX analysis and system architecting), Project Management and Team Leading. I've invented a lot of new design patterns and plugins and developed action-state JS engine as a complete independent framework while working with different clients. Also I'm contributing to open source projects when I have free time. My work features are: 1) “golden mean” of quality and speed of development 2) test coverage depends upon necessity (TDD/BDD workflow) 3) provide demo in the end of reporting period (Sprint) 4) always meet the deadlines 5) provide maximum scalability in any solution 6) always look to the future, use best technologies and never "reinvent the wheel" I'm searching for exceptional projects, where I can fully release my potential. This also means that I will work only with the latest engineering solutions and frameworks, in order to be on the edge and provide outstanding results, exceeding all expectations. I have my own blog which I'm using as developer/general blog. It's a place where everyone can get professional consultation and tutoring/guiding as well as find more info about me.

    $60.00 /hr
    622 hours
  6. Giorgos Andreou

    Giorgos Andreou

    Software Engineer

    Greece - Last active: 22 days ago

    I am a Software Engineer since 2003 but I also offer consulting and system administrator services. From 2003 to 2010 I was an active researcher in the field of Image Processing and I have been involved in several research projects. My latest research interest is data mining techniques and especially web crawling applications.

    $30.00 /hr
    230 hours
  7. Muhammad Adil

    Muhammad Adil

    Mobile(Android/iOS) and Web Developer

    Pakistan - Last active: 3 days ago - Tests: 2 - Portfolio: 7

    Dear Hiring Manager, I am Mobile and web application developer with vast experience in Software Industry. My first priorities are my clients, I always take care for their projects requirements and timelines. My experience for Android & iOS: -Interactive UIs work, -Different device support for UIs, -Web Services/Json, -Android System Applications -Android ROM development, -Launcher Applications, -Application wrapper for Mobile responsive websites, -Google APIs, -In App purchases, -Video Streaming, -Image Processing, -Video compression, -Image Compression, -Video Editing, -Audio Editing, -Photo Editing, -NsuserDefaults, -CoreData, -Sqlite Database, and many other stuffs I can work on. ......................................... Libraries used for Android are for push notification -Gcm push notification -ffmpeg android library -Integration of Live Video Streamings -Audio Player Integration and development for Music Applications -Vimeo/dailymotion/youtube video SDK integeration, Facebook/twitter/instragram and many other Social Media websites SDKs integeration, -Volley Library for parsing -Universal Image Loader -Picaso Image Loader -Admob Integration/Any Ad integration -Twoway gridview android library -Fontify -FontAwesome Above all of these I know how to work with Android TV development using "Android Leanback Library" ......................................... Libraries used for iOS are -Facebook Sdk, -Amazon Sdk, -GoogleMaps Sdk, -AvFoundation, -CoreImage, -GpuImage, -Twitter, -FourSquare, -STScratchView, -MZFormSheet, -Motis, -Regexlite, -MFSideMenu, -And many other, ......................................... Ruby on Rails: - Core Ruby: 1.8.x, 1.9.x, 2.x - Ruby on Rails: 3.2.x, 4.x.x - Templating engines: HAML, ERB, SLIM - Front-end tools: CSS3, SASS, Javascript, jQuery, CoffeeScript, AngularJS, Twitter-Bootstrap, JSON/XML Data - Databases: MySQL, SQLite, Postgres, Thinking Sphinx - Testing tools: Selenium, Capybara, Cucumber, RSpec - Dev tools: Git, Nginx, Vagrant - Repositories: Bitbucket, GitHub, SVN - Cloud Hosting: Heroku, Amazon servers - APIs: Facebook, Twitter, LinkedIn, Geocoder, Google Maps

    $20.00 /hr
    15 hours
  8. Romain V.

    Romain V.

    Senior Software Engineer, Ruby Expert, Web Developer

    Ireland - Last active: 29 days ago - Tests: 4

    As a experienced full stack engineer, using the likes of Ruby, JavaScript and MySQL, my main focus is on delivering high quality maintainable software respecting best practices. I consider Ruby my main strength and I use it as the basis of my projects whenever possible. I put a stress on deeply understanding requirements and specifications before starting any implementation and work with short feedback loop in order to always be aligned with clients needs. I also enjoy DevOps challenges, and have previously successfully migrated, maintained and optimised large scale architectures on cloud platforms (AWS, Google cloud ...). I am looking for clients that are seeking experience and quality over quantity.

    $40.00 /hr
    53 hours
  9. Pylyp Pylypchuk

    Pylyp Pylypchuk

    Expert Front-end Developer && Back-end Developer

    Poland - Last active: 4 days ago - Tests: 3 - Portfolio: 6

    Hi, My name is Pylypchuk Pylyp. In my portfolio, are a few web applications that I've developed. I believe my strong points are my Creativeness and Punctuality. My №1 goal will always be to meet your needs and deadline. When working on a new project, I like to speak with the client, so that I can have a clear understanding of his/her needs and vision of the project. Listed below are my experience and skills. * Skills ** HTML5&CSS3&JS ** PHP ** RUBY ** Git ** MySQL, Sqlite ** Self Organization ** Punctuality ** Communicability * Frameworks & CMS ** Twitter Bootstrap, Boilerplate ** JQuery, Angular ** Laravel, Wordpress, OctoberCms, Joomla ** Rails & Jekyll

    $11.11 /hr
    32 hours
  10. Kolja Schneider

    Kolja Schneider

    JavaScript, D3.js, Angular.js, RoR developer

    Germany - Last active: 1 day ago - Tests: 2 - Portfolio: 4

    Seasoned Web Developer and Software Architect with 6+ years of experience developing complex web based applications and popular new algorithm-based software architectures and technologies. [skills] - ruby on rails, python - d3.js, angularJS, javascript, typescript, es5, es6, node.js, react.js, gulp.js - webrtc, - mysql, postgresql - crawler, scraping, regular expression, nokogiri, dom - api integration ( stripe api, facebook api, twitter api, paypal api ) - bootstrap 3, haml, slim, scss, coffeescript - rest api, json I just joined Upwork. I didn't receive shining medals from Upwork but I believe my valuable service and contribution to clients will enrich profile with the time. I love to be working at startup company and all companies of having great vision. As before I do my best for get baby product into the market as soon as possible successfully. Thanks.

    $33.33 /hr
    420 hours