Ruby On Rails Javascript Freelancers

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  1. Eduardo M.

    Eduardo M.

    Ruby on Rails / PHP / Javascript / Backbone.js / Angular.js

    Bolivia - Tests: 6 - Portfolio: 7

    - Software engineer with 5+ years of experience on Web, desktop and mobile development - Excellent communication skills and team player - Full Stack Open Source Software Engineer - Strong object oriented programming and design patterns skills SPECIALTIES AND EXPERIENCE - Programming languages: Ruby, PHP, Javascript, Java, Python, Objective-C, C, C++, Visual Basic, HTML, CSS - Web backend: Ruby on Rails, Sinatra, Node.js, Wordpress, MySQL, PostgreSQL, Redis - Web front-end: SASS, LESSCoffeeScript, Backbone.js, AngularJS, Underscore.js, jQuery - Infrastructure Environments: Amazon Web Services (AWS), Heroku, Digital Ocean - Development tools: SublimeText, Git, SourceTree, PivotalTracker, Atlassian Jira, Basecamp, Balsamiq Mockups - Operating Systems: Mac OS X, Linux, Windows - System administration with Unix based systems - Mobile development: Native iOS apps with Objective-C, native Android apps with Java - Desktop development: Desktop apps with Java and Python + GTK - Test Driven Development (TDD) - Agile software development - UX design PASSIONS - Learning new technologies - Open Source Software - Distributed and scalable systems design and implementation - Awesome and innovative UI design - Mountain biking

    $60.00 /hr
    3,243 hours
    4.80
  2. Zbigniew Pieslak

    Zbigniew Pieslak

    Expert Ruby on Rails & Javascript Web Developer

    Poland - Tests: 8 - Portfolio: 8

    Over the last 7 years I have acted as a web developer and a Ruby on Rails expert, having the privilege of working with large international enterprises (NBCUniversal) as well as many promising startup companies. I consider myself to be a hard-worker motivated to deliver only a well-tested, scalable and performance-wise code that meets the current programming standards. During my career, I learned that understanding client's needs, good planning, proper programming experience as well as regular and honest communication are the key factors to build a successful relationship. Please have a look at my portfolio and the feedback I got from my clients. I’m passionate about learning new tools and programming languages and I quickly adapt to new environments. I’m seeking long-term relationships and new challenges. I am looking forward to hearing from you about your next project!

    $40.00 /hr
    3,617 hours
    4.97
  3. Eugen O.

    Eugen O.

    Ruby on Rails, JavaScript, SQL, jQuery, AngularJS

    Belarus - Tests: 4 - Portfolio: 3

    Senior Ruby Developer, 3.5+ years of experience in Analysis, Estimate, Design, Development and Maintenance of Web­based Software applications in a bunch of domains including News, E­ticket, Social network, ERP and Internet/telephony billing. Experience in both UI programming and Server Side programming. Profound knowledge of Ruby and JavaScript (CoffeeScript), particularly developing rich internet applications based on Rails and AJAX (JS frameworks ExtJS, Spine, AngularJS). Proficient in HTML, CSS and their wrappers haml, slim, sass. Have knowledge in C, C++, C#, Java, Erlang, Haskell, MATLAB (Octave) and R languages, Design patterns, UML, Object Oriented Design, Test/Behavior ­Driven Development, unit and integration testing (using RSpec, Cucumber and Capybara). Worked with relational databases MySQL, PostgreSQL, MS SQL and NoSQL solutions: Cassandra, Redis, MongoDB, Neo4j. Skilled in HTTP, REST, XML and JSON. Have experience in cloud solutions (Amazon AWS, Heroku) and Linux distributions. Expertise in estimating of the development efforts based on project scope on initiation phase, analysis of the complex business logic; support and maintenance of the live applications; performing of technical examination and prove­of­concepts (prototyping) for the effective solutions; code review; communication with the development team and QA; direct dialog with the Client.

    Groups: Coding Champs

    $33.33 /hr
    82 hours
    5.00
  4. Rui Gomes

    Rui Gomes

    Web Developer - Proficient in PHP, Laravel, Javascript, Ruby on Rails

    Portugal - Tests: 4 - Portfolio: 3

    I've worked closely with world-class companies throughout the development of outstanding platforms that have been used by thousands. I'm proficient with PHP and I'm also a Laravel early-adopter - I've been using it since early version 3. I've developed countless applications with Laravel, attended the Laracon conference in Amsterdam and I've written several tutorials that have helped hundreds of other developers. In addition to PHP, I've also used Ruby on Rails extensively to develop complex web applications with full featured test suites. Being a Software Engineering student, you'll be sure to get solutions that are well designed, easy to scale and develop upon. I've taken a CAE (Certificate in Advanced English) by the University of Cambridge and passed with flying colours. Communicating with me won't definitely be an issue. Looking forward to working with you on your next web app!

    $70.00 /hr
    168 hours
    4.99
  5. Egor Kalinichev

    Egor Kalinichev

    Ruby on Rails / JavaScript developer

    Russia - Tests: 3 - Portfolio: 3

    I have experience in developing web-applications & services using different platforms and technology stacks. I know how to pick the right instrument to reach the goal. I work mostly on Ruby on Rails and familiar with JavaScript (especially Backbone.js). In addition to this, I have experience in Linux system administration and deployment of projects on different platforms.

    $33.33 /hr
    2,235 hours
    4.96
  6. Vadim Marchenko

    Vadim Marchenko

    Ruby on Rails / JavaScript Developer

    Russia - Tests: 5 - Portfolio: 8

    I’m a seasoned Ruby / JavaScript developer with over 5 years of experience. I have experience in developing web-applications & services with both standard functional and unusual features using different platforms and technology stacks. I know how to pick the right instrument to reach the goal. I’m good at: developing multiplatform and security sites, database design, using version control system, using TDD and tests, working in a team, and more. Possess strong technical skills in Ruby on Rails, Backbone.js, node.js, CoffeeScript, PostgreSQL, Ajax.

    $33.33 /hr
    2,880 hours
    4.89
  7. Polina M.

    Polina M.

    Ruby on Rails, PHP, CakePHP, JavaScript Developer

    Russia - Tests: 6 - Portfolio: 1

    Over the last 3 years, I have developed several websites using Ruby on Rails, PHP, CakePHP, MySQL, PostgreSQL, HTML, CSS and jQuery. My core competency lies in complete end-end management of a new website development project. I possess strong technical skills at front-end development using HTML5, CSS2/3, and back-end development using Ruby on Rails and CakePHP. I am very proficient detail-oriented person.

    $25.00 /hr
    782 hours
    4.74
  8. Hendra G.

    Hendra G.

    Ruby On Rails, Javascript, Fullstack Web Developer

    Indonesia - Tests: 3 - Portfolio: 7

    I am standalone web developer from Indonesia, passionate Web Developer with have expert skills in Ruby on Rails and Javascript. Currently I'm working as full time freelancer. I've 5 years experience building web application with many various types. I'm starting develop Rails app since Rails 2.x - now. RoR Application that has been built are about: 1) E-Commerce 2) Data Analytics 3) Social Media 4) Some internal projects 5) and many more for more details, please take a look at my portfolios. My other best skills which related to my professional are NoSQL( Redis-DB & MongoDB), SQL-DB(MySQL), BootStrap, Git, PSD2HTML, HTML & CSS, Deployment(Heroku / AWS), NodeJS, iOS Development, AngularJS, jQuery, NodeJS, Familiar with some popular APIs, and many more. I'm full time freelancer, I'm ready to work on your timezone if needed. Not only coding, I will always give my best IDEA, both technical and business flow to deliver High Quality Product, Development and User Friendly, Scaleable and Easy to maintenance. Best, Hendra

    $22.22 /hr
    2,735 hours
    4.94
  9. Thomas Knauber

    Thomas Knauber

    Senior Ruby on Rails & Javascript Developer

    Canada - Tests: 4 - Portfolio: 1

    I am very proficient Web developer with a strong Linux/Unix background. Over 11 years of experience on the IT industry, mainly working for major 500 Fortune US companies such as Cisco Systems, LexisNexis, Sun microsystems and others. My focus is always to keep things as simple as possible and make stuff better. Relevant skills : - C/C++/Ruby/Python/Java/.NET - Ruby on Rails, Javascript frameworks(AngularJS, NodeJS) - TDD/BDD, RSpec, Capybara(Testing), Cucumber' - Amazon EC2 and Clouding computing. - VPS (Heroku, SliceHost, DreamHost) - Git ... Don't hesitate to contact me if you have any questions.

    $55.56 /hr
    131 hours
    5.00
  10. Ildar Manzhikov

    Ildar Manzhikov

    Ruby on Rails and Javascript programmer

    Russia - Tests: 2 - Portfolio: 2

    I am a developer with 10 years experience in web. Originally PHP was my major. In 2009 inspired by the fact that developers switched to Ruby on Rails and made same decision. My skills and experience are listed below. A few years I have worked as Network administrator and managed 20 servers under Linux (Debian, CentOS), FreeBSD. And usually during my projects I setup servers myself. My core expertise is in: * Ruby on Rails * RSpec, Cucumber * MongoDB, MySQL, PostgreSQL, redis * HTML5, CSS, jQuery, Twitter Bootstrap * JavaScript: backbone.js, angular.js, node.js Author of yahoo_weather gem: https://github.com/manzhikov/yahoo_weather My opensource works are available at the github: https://github.com/manzhikov/

    $38.89 /hr
    3,799 hours
    4.84