Ruby Ruby On Rails Freelancers

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Ben A.

Ben A.

Ruby on Rails Engineer

Germany - Tests: 4 - Portfolio: 3

Hi, I am senior ruby on rails engineer who am passionate and reliable. I have full experience with building, maintaining, scaling web projects by using ruby on rails over 5 years. And I have already worked 2k+ hours in the upwork and experienced many development situation such as devise, cancan, omniauth, actionmailer, activeadmin, carrierwave, paperclip, Imagemagick, rmagick, AWS S3, sidekiq, delayed_job, resque, twilio, nokogiri, capybara, capystrano, javascript, jquery, ajax, mysql, postgresql, mongodb and etc. I am still trying to get awesome reputation and new technologies. I love to be freelancer in the upwork and it is my pleasure to help client. If you are looking for someone who help your job in the upwork, please choose me at first. Feel free to contact me anytime. My expertise fields are following: - Ruby/Rails - javascript/coffee/jQuery/Ajax(angular) - Html/CSS/Bootstrap/Twitter Boostrap - MySQL/PostgreSQL/SQLite/MongoDB - TDD/BDD Thanks Ben

$50.00 /hr
2,187 hours

Jakub Zuchowski

Jakub Zuchowski Agency Contractor

Ruby on Rails Developer

Poland - Tests: 5 - Portfolio: 7

I have been a Ruby on Rails programmer for almost 5 years now (since early 2010). I have worked with various Polish companies, including micro-teams and a Corporation. I focus mainly on back-end development, such as json based APIs and try to master the techniques of BDD. I am happy whenever I can break out of Rails` default presentation schemes, and complement its backend with a completely new presentation-oriented technology, like Backbone.js. Outside of Ruby I am interested in learning Python and (very recently) C. I have experience as both a team player and a self-sufficient developer. I always try to pursue the best solution and am keen on learning new technologies, especially when I can put them to practical use.

$40.00 /hr
2,464 hours

Payal G.

Payal G.

Expert Ruby on Rails Developer

India - Tests: 7 - Portfolio: 9

Availability : Full time for $4500 per month Expert Ruby on Rails developer with over 7 years experience in developing web applications in different domains. My core competency is to be able to jump in to any phase of project life cycle with full efficiency. Worked well on projects with team of 1-12 members as well as single handedly built projects from scratch to the production/maintenance stage. Full stack developer with backend, frontend and server management skills. Skills: Ruby on Rails, Ruby JavaScript, jQuery, node.js, backbone.js, d3.js Mysql, postgresql, neo4j, mongodb HTML5, CSS3, HAML, SASS RSpec, Cucumber, Selenium, Capybara Amazon Web Services, Heroku Github, SVN Trello, Asana, Pivotal Tracker Adobe Photoshop, Adobe Illustrator API Integration (Facebook, Twitter, Instagram, Salesforce, Google Services and any third party service) SDK development, API development

$55.56 /hr
3,438 hours

Alexey Z.

Alexey Z.

Project Manager / Ruby On Rails

Israel - Tests: 6 - Portfolio: 11

I am currently freelancing RoR projects across the universe, fullstack rails coder for your duty. I have been doing this for the last 9 years now and I was employed as CTO & Ruby On Rails Senior developer, and my projects include wide usage RoR(1,2,3,4), I love new technologies and I can learn to use them very fast! I can develop anything starting from tech plan/mockup, through creating rails application (agile method) till full setup of VPS/dedicated server (or even cloud), then I can maintain and administrate this project. I work with cloud platforms like AWS, Heroku, EngineYard. I have ZERO unsatisfied clients. Knowledgeable in CI like Jenkins, and various management systems like Trello, Lighthouse, Jira, Redmine (You can have a tracking project with my private Redmine installation for no cost) and some others All small things around webdev; AJAX, HTML, CSS, JS, RSS, XML, JSON. SVN, GIT(preferred), Capistrano/Chef/Rubber for multistage deployment for test/production projects, SASS, SCSS, HAML, CoffeScript, REDIS, various types of caching. Capable to work in Linux/OSX/Windows environments.

Groups: Application Developers Alliance, Engine Yard Ruby on Rails Professionals Network

$55.00 /hr
3,583 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

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
3,474 hours

Alex Fortuna

Alex Fortuna

Lead/Senior Ruby on Rails Developer, Mentor

Russia - Tests: 9 - Portfolio: 3

I've been developing in a variety of languages on different platforms over the last 15+ years and I'm still enjoying it. Programming is my lifelong passion. The things that excite me the most as a developer are those innovative, unique and technically tricky. The things I try to achieve as a team leader are just these: efficiency and harmony. I see a successful product as a harmonic combination of well-designed software AND a well-tuned team involved in its creation and subsequent development. As Upwork freelancer I specialize in dynamic Web application development using Ruby on Rails and JavaScript (AngularJS, React.js), commonly in a position of CTO or lead developer. I prefer to do base/architecture stuff myself and direct the team to do regular parts. I've got all sorts of experience required for both hands-on work and mentoring: 15+ years overall development, 9+ years Ruby, 7+ years Rails, 10+ years Unix/networking, 5+ years Git, TDD, etc. etc. I believe that QUALITY is the key priority if you want sustained growth. I provide it, I motivate or otherwise make others provide it. It takes time? Yes, but... "Good cooking takes time. If you are made to wait, it is to serve you better, and to please you." ——— Keywords and samples ——— Solid, long-term, clean, well-documented, maintainable, resilient. Please read my clients' reviews for more live keywords. Also, please take a minute to look at my code samples: There are also some open source contributions in the neighboring GitHub repositories. ——— The DO statements ——— If any of these statements are relevant to you, please DO apply as we'd probably get along together nicely: * "We had tough experience with Indian developers in our previous project. This time we want to begin by building a solid base which would guarantee us stable growth for the next 3-5 years." * "We have an ongoing issue in our distributed team: every time a developer leaves, the new one spends weeks becoming familiar with the project. We need someone to take care of connecting new developers smoothly." * "We like our current developers, but they seem to try new fancy things out of boredom or curiosity. We want to balance it somehow to stop losing momentum because of thoughtless fun experiments." * "Our current developers are okay writing code, but they get annoyed when being asked to explain or describe something, even to one another. We want a lot more sustained awareness and shared vision between our team members." * "One of our developers likes Apple, another one is a PC/Linux man. Both are great, but they keep arguing over their preferences which is a productivity killer. We want someone with authority to deal with them both." ——— The DON'T statements ——— If any of these statements sound true, please DO NOT apply since I'm probably not good enough for you: * "We'll start our new project with cheap student developers. It's then easy to invite a senior guy for a week or two to correct all of their mistakes." * "We don't need any written specs or documentation. We have Agile, Scrum, XP, pair programming and Slack chatroom instead." * "Writing project description is a waste of time. We'll start posting Scrum stories right away. A good developer should read our mind." * "We'll use NoSQL in our new project. Why? We don't know, but blogs are full of statements that it's better than SQL." * "We've just completed the visual design of our new application. Now we need someone to write code for it, which is a trivial technical procedure." * "We believe that this alone guarantees our code to be clean and solid: keeping methods shorter than 5 lines and keeping classes shorter than 100 lines." * "We've had a lot of trouble managing distributed teams. This time we want ONE great developer to handle everything. We can definitely control one person." Thank you for reading this far. If you're interested, post a job for me or send me a message. Cheers!

$37.00 /hr
2,491 hours

Dmitry Z.

Dmitry Z.

Ruby on Rails Developer and DevOps

Russia - Tests: 8 - Portfolio: 5

I am a Ruby on Rails Developer and 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. My code examples available at Web Frameworks: Ruby on Rails, jQuery BDD: RSpec, Capybara Configuration management and deployment: Chef, Vagrant, Capistrano Continuous Integration: Jenkins SCM: Git Scripting: Bash, Ruby, Python DB: MySQL, Percona XtraDB Cluster, PostgreSQL, Redis, MongoDB Cloud platforms and API: AWS, DigitalOcean, Softlayer, Rackspace, Linode, Mandrill, Twilio Virtualization hypervizors and containers: KVM, VMware ESXi, VirtualBox, oVirt, OpenVZ, LXC, Docker, DEIS, Kubernetes Monitoring: Zabbix, Nagios/Icinga, Munin, Cacti, Monit Load balancers: HAProxy, Nginx App servers: Phusion Passenger, Apache Tomcat

$44.44 /hr
1,156 hours

Abdul B.

Abdul B.

Full Stack Ruby On Rails Developer

Bangladesh - Tests: 2 - Portfolio: 12

Over the last 7 years, I have developed a wide range of web applications using Ruby, Ruby On Rails, PHP,mysql,PostgeSQL, jQuery, bootstrap including sites for startup companies and I am seeking opportunities to build websites from the ground up for you or your business. I love to write DRY,manageable and readable code with Rails and like Test Driven development(using RSpec) and enjoy on deploying web applications on cloud servers. I like github's PR,git rebase and cherry-pick to deliver client's urgent need on demand. I have professional experience on handling very high traffic web applications and optimization and scaling on cloud Ubuntu servers. For continuous Integration, I use Codeship and Travis CI. I follow Agile (SCRUM) methodologies for software development and follow Software Design Pattern while coding and also using Jira,trello for task managements.

Groups: Engine Yard Ruby on Rails Professionals Network

$40.00 /hr
5,814 hours

Miroslaw Maziarz

Miroslaw Maziarz Agency Contractor

Senior Ruby on Rails Developer with Passion

Poland - Tests: 8 - Portfolio: 9

I have more than 8 years of experience in commercial web development. Over the last 7 years I have developed a variety of applications using Ruby On Rails, JavaScript, TDD, SASS, PostgreSQL, MySQL, Amazon EC2, Rackspace and Heroku. I am focus on productivity and quality; I am among the top 10% freelancers who passed the tests in RubyOnRails, PostgreSQL and Internet Security. I am interested in building the best quality software that means well designed, easy to maintain, easy to extend to a new feature and well tested with autotests. Please find my skills & experiences below. - Ruby on Rails - Frontend (Javascript / jQuery / CoffeeScript / Backbone / Bootstrap / Angular / HAML) - Node.js - Web Browser Extension Development (Chrome, Firefox) - Database (Mysql / PostgreSQL / MongoDB / Redis / Memcache) - 3rd Party API Integration ( Google Map API, eBay, Amazon, Paypal API ) - Github / Bitbucket / AWS / Heroku / Engine Yard - Server Management

Groups: Engine Yard Ruby on Rails Professionals Network

$36.67 /hr
5,748 hours