Ruby Developer Freelancers

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Maksim H.

Maksim H.

Frontend Ruby on Rails developer

Estonia - Tests: 3 - Portfolio: 10

I specialize in PSD2HTML converting for Rails applications. I have 3 years of experience in back-end development with Ruby on Rails and know very well the way around the asset pipeline, helpers, controllers and views. My advantage is that I know very well HAML and SCSS and have strong experience with Ruby on Rails. I always try to write clear code and commit messages. I'm able to work through GitHub and communicate in Skype.

$39.00 /hr
400 hours

Dmitri Kanavalchuk

Dmitri Kanavalchuk

Senior Ruby on Rails Developer

Belarus - Tests: 11

I'm fullstack developer. My strong communication, time planning, estimating, analysis and programming skills are guarantee that your tasks will be done properly, perfectly coded and finished in time. My current skill set includes: * Ruby, Ruby on Rails * MySQL/PostgreSQL/Neo4j/MongoDB * JavaScript/CoffeeScript/AngularJS/jQuery * RSpec/MiniTest/Capybara * HTML5/HAML/SLIM * CSS3/SCSS/LESS, Twitter Bootstrap 2/3 * Windows/Mac OS/Linux Please feel free to contact me about more information and I'll share my CV with you. I have experience in analysis, estimate, architecture planning, test driven development, frontend development, backend development, API development, deploying and post production support, data scrapping and etc. I've worked with big distributed teams, with PMs, QAs, Analysts, worked by scrum technology. I'm familiar with popular bug tracking systems such as JIRA, Trello, Podio, Basecamp and etc. Email, Skype, Slack, Hangouts to direct communication with client. I can create any app from scratch or join an existing project. Feel free to contact me about any ideas you have! Thanks!

$44.44 /hr
524 hours

Mihail Krivushin

Mihail Krivushin

Professional Ruby and Python developer

Russia - Tests: 3 - Portfolio: 6

Developer for more than 10 years. Have experience in following technology areas: Python - Django, Flask, Twisted, asyncio Ruby - Rails, Eventmachine Javascript, CSS - ES6, Webpack, Babel, Angular.js, Twitter Bootstrap. Built many restful services and client rich applications. Have worked with highload systems in big Russian internet company (

$50.00 /hr
1,629 hours

Alex Topalov

Alex Topalov

Ruby/Rails Lead Developer(CTO)

Ukraine - Tests: 2 - Portfolio: 7

Full-stack web developer with solid experience in building various web applications. Have team and tech lead experience and have provided consulting for projects in needs. BackEnd development: Very experienced ruby programmer, working with Rails, Sinatra, Merb, Grape for more than 5 years. Frontend development: CSS1.0 - CSS3.0; HTML; XML; JavaScript(CoffeeScript, BackBone, Jquery, Prototype, DOJO, Ember, Angular, React, NodeJs) Management experience: I was a lead for MVP project with direct management of 3 people and also was a Tech Lead on a unicorn startup with direct management of 6 people.

$80.00 /hr
836 hours

Stuart Halliburton

Stuart Halliburton

Full Stack Ruby/Javascript Developer

El Salvador - Tests: 1

Full stack freelance web application developer with over 5 years experience in the web application hosting/development business. Specialising in Ruby, Rails, Sinatra, Javascript, AngularJS, NodeJS, HTML, CSS, DevOps, deployment/infrastructure management and automated testing. Solid understanding of latest best practises/technologies and comfortable working in all areas of modern web application development. Most interested in long-term, on-going projects with a strong and experienced team.

$66.67 /hr
731 hours

Alexander K.

Alexander K. Agency Contractor

Ruby on Rails developer / PhD

Russia - Tests: 7 - Portfolio: 2

Thorough and diligent computer scientist, devoted to implementation of brilliant technological solutions. Team leader in top 5 russian internet company. Web development (Ruby on Rails / Django / Other) Linux administration (Services, Networking, Virtualization) Artificial intelligence and big data expertise. PhD in Computer Science. Interested in challenging projects for me and my team.

$33.33 /hr
2,135 hours

Marcelo Oliveira

Marcelo Oliveira

Full Stack Ruby on Rails Developer / Ruby Expert

Brazil - Tests: 5 - Portfolio: 11

I am an full stack web Ruby on Rails Developer whit more than 5 years of experience of full hands-on experience in many projects. Already work at two companies as Ruby on Rails Developer, deal with back-end and front-end without problems in any application place. * MVP specialist * As i am full stack i can do work of 2, 3 people assuring quality and bug free. Can fix/improve existing projects and also starting from scratch, like to keep things simple to be easy give maintenance and not waste time. Differentials: - Expert in Ruby language, high quality code. Better performance and design. - 5 years of FULL experience with Ruby on Rails in various types of projects so have stronger knowledge of framework Rails and how it works. - Test Driven Development(TDD) experience, using Rspec/Factory Girls/Shoulda and others support tools. - Large experience with Heroku, Stripe, Amazon Web Services, Git, Ruby API Integrations, Javascript, Angular and jQuery. Skills already had experience: - Ruby Metaprogramming(expert) - Git, experience with Github and Bitbucket - Ruby on Rails (full hands on experience) - Heroku - Front-end knowledge to do anything my client ask - Twitter Bootstrap(work a lot with that) - Web development, HTML/CSS and Javascript - PostgresSQL - JQuery, own plugin published - Amazon Web Services (AWS) - Unit tests whit Rspec but also whit Test unit. - Background Jobs (Sidekiq, Rescue, etc) - Image upload - MailChimp - API development (About 3 Mobile Apps using my APIs), high performance APIs - Database Backups - Twillio - SMS Marketing - Email marketing - Third parties - JSON (Read and Write) - Angular JS, in many projects - Stripe Payment(Individual charge/Subscriptions) Already work a lot with Mobile, using my Rails API: - Android (own app published) - Windows Phone (own app published) - iOS (own app published) Some Ruby Gems already work(not all): Devise, Capistrano, AWS-SDK(Amazon Web Services), Paperclip, Stripe, Kaminari, Pg_search, Rspec, FactoryGirl, Shoulda Matcher, Rails Admin, Pg_search, Solr, Kaminari, Faker, Twitter Bootstrap, Sidekiq, Rufus Scheduler, Twillio(SMS), Gibbon(Mailchimp), Better Errors, Foundations, MySql, Puma, Thin, PG, SpreadSheet, Pry, New Relic, XLS, Redis, Oj, Browser, i18N, Heroku and lot of others. Have experience whit all this things and others, please contact to more info, im open to questions.

$75.00 /hr
158 hours

Alexander S.

Alexander S. Agency Contractor

Team leader, full-stack Ruby/Ruby on Rails developer

Ukraine - Tests: 7 - Portfolio: 9

Focused on ruby and ruby-based frameworks such as Ruby on Rails, Sinatra. Have experience in building regular websites and complicated CRM systems as well as command line ruby applications, background services, web-crawlers, etc. Me at elance:

$40.00 /hr
10,026 hours

Rory J.

Rory J.

Ruby on Rails Web Application Developer

China - Tests: 6 - Portfolio: 2

8 years of web application development and 3 years of enginnering - PHP developer from 2007 - Ruby on Rails developer from 2010 - Web application engineering/development since 2012 Huge experiences, knowledges and techniques while working for several startup companies. - Experience in the wide range of web application development as well as software engineering: Traditional web application development, Realtime communication web application development, Single page web application development, Payment gateway integration, Agile development and Pair programming. - Expertise in HTML5, CSS3, Rails, Nodejs, Expressjs, Reactjs, AngularJs, JQuery, SASS, LESS, Heroku, AWS, Git, Mongodb, SQL, OOP, BDD, TDD, PHP, Magento, Wordpress

$50.00 /hr
3,613 hours