Top Upwork Freelancers

Clear all filters

Deepak Kiran

Deepak Kiran Agency Contractor

Expert in Rails 4.x, 3.x, JQuery, Rspec, AngularJS, HTML5 & Spree

India - Tests: 17 - Portfolio: 7

I have extensive experience of working with couple of core technology platforms like Php and RoR. In line with the same I have been active in the latest trend assimilation and have good experience working with almost all social media API's and java-script frameworks. I am well versed with AWS Heroku , Capistrano, Nginx and unicorn, Redis, Mongo DB, MySql, Elastic Search. I through this platform want to showcase my skills and regularly pick up projects that enhance my skills using my quick learning abilities and gain expertise in same. I can take up full time work and part time work across all skills set listed and all skill set related to them. I am completely flexible in terms of engagement terms and workload and I am available across timezone's for effective communication. I am always in for challenging and new works and open to executing test works for some new yet interesting skills that I at present do not have demonstrable work on. My hourly rates varies between $15/Hr to $20/Hr depending on various factors like length of project, complexity of project, aggressiveness of deadline and engagement terms. Looking forward to getting contacted from you guys.

Groups: Engine Yard Ruby on Rails Professionals Network


84% Job Success
$20.00 /hr
3,512 hours

Kiran Kumar Jha Agency Contractor

Expert RubyOnRails, PHP/MySQL, WP, Drupal, AJAX, jQuery, Amazon EC2

India - Tests: 7 - Portfolio: 2

A hard working professional with more than 8 years of experience in developing high quality applications using various technologies like RubyOn Rails, PHP/MySql, JQuery, ExtJS. I've got expertise in hooking up an existing application and re-factor it to new needs and demands. I've also worked on many applications from the ground up. I am Brainbench Certified Master in PHP5. I am also a CSM (Certified Scrum Master), you can view my scrum profile at -

Groups: Engine Yard Ruby on Rails Professionals Network

Associated with: Arminus Software Pvt. Ltd. Agency

$22.00 /hr
4,185 hours

Sergey V.

Sergey V.

Ruby on Rails Developer

Russia - Tests: 6 - Portfolio: 8

About 4 years I am working with web technologies. I have worked with most of PHP frameworks, Python and Ruby. I also have experience with Javascript/Ajax, XML/XSL, SOAP, HTML/CSS and some other connected with web, I have a good UNIX skill. It's important for me to pay attention to the details. I like to make things simple and clear.

Groups: Engine Yard Ruby on Rails Professionals Network

$20.00 /hr
0 hours

Jeff D.

Jeff D. Agency Contractor

Ruby & Rails Developer, HAML/SASS, HTML/CSS/JS, jQuery, Prototype

United States - Tests: 2

My goals are continuing to advance my knowledge of web development with the latest technologies. Scaling web applications for millions of users. Learning and developing paradigm shifting business models for the digital world.

Groups: Engine Yard Ruby on Rails Professionals Network

Associated with: Clarity Laboratories Agency

$77.78 /hr
50 hours

Maxim Dobriakov

Maxim Dobriakov

Russian iOS/Android and Ruby on Rails developer

Russia - Tests: 12 - Portfolio: 11

About 10 years I have developed a web applications for big companies on ASP.NET and Ruby on Rails, so I known a very well HTML, CSS, JavaScript. Have experience with SQL (MS SQL, MySQL, Postgress) and no-SQL (MongoDB, MonetDB) databases. Last 2 years I active develop different mobile applications on iOS and Android platforms (for Russian market only). Usually this is application for e-commerce.

Groups: Engine Yard Ruby on Rails Professionals Network

$33.33 /hr
123 hours

Wojtek Kruszewski

Wojtek Kruszewski

builds web applications

Poland - Portfolio: 1

I love the smell of freshly deployed software in the morning, working in Unix console, this warm and fuzzy feeling when I hear I solved someone's problem with software. Core skills: Building web applications, from prototype to growth and maintenance.

Groups: Engine Yard Ruby on Rails Professionals Network

$44.00 /hr
3,667 hours

Hai B.

Hai B. Agency Contractor

Senior developer in ROR/J2EE, E-commerce, SNS, CMS, CRM, SaaS

Vietnam - Tests: 6 - Portfolio: 8

Dear partners, Thank you very much for choose me to work on your projects. That it help me to get much experience on technical solutions and management. I have built a good team from 2012, ScrumTobe Software ( We have growth up to 10-member team now. From 2015, I focus on activities of the team on outsourcing services in Software Development. And I will not work as freelancer anymore, If you need to get higher quality services on Software Development, please feel free to send me message or invite our team into your jobs. Our UpWork profile at: Thanks and Best regards, Hai Bui ---- My personal skills/experience: ★ Programming skills: ☆ Ruby on Rails (2.3.x, 3.x, 4.0), ActiveMerchant, Devise, Attached, Memcache, Haml, HtmlDoc, Rspec, Cucumber, Capistrano ☆ J2EE, Struts, Spring, jBoss, Hibernate, JasperReport, Mockup ☆ HTML5/CSS3, jQuery, Bootstrap, BackboneJS, Sencha Touch, Responsive web ☆ Shopify Liquid/Shopify App ★ System Development experience: ☆ Test Drivent Development, Behaviour Driven Development, Selenium IDE ☆ Continuous Integrate (CI), GitHub (branching model) ☆ APIs: Paypal, Stripe, Balanced Payment, Stamps, MailVu, Twilio. etc. ☆ SpreeCommerce, SpreeGateway, Redmine Plugins ☆ Image Magick, Sphinx, Elastic Search engine ★ Server Administration skills: ☆ Nginx, Unicorn, Phusion Passenger, Apache ☆ Tomcat Apache, Spring server, jBoss server ☆ Cloud Application: Heroku, Rackspace, EngineYard ☆ SSH/SSL, DNS ☆ Server: AWS/EC2, CentOS/Ubuntu/FreeBSD, Delicated servers, VPS ☆ MySQL, PostgreSQL, PL/pgsql, MongoDB, Oracle 11g, OLAP I have experience with Scrum/Agile, speak fluently in English. From my experience, I understand how important to write clean codes, easy to read and easy to maintain.

Groups: Engine Yard Ruby on Rails Professionals Network

Associated with: ScrumTobe Software

100% Job Success
$33.33 /hr
1,599 hours

Naveen J.

Naveen J. Agency Contractor

Web2.0, Ruby on Rails, Objective C, Iphone Application Specialist

India - Tests: 6 - Portfolio: 3

Offering Service with Creative Excellence. My philosophy around websites is accessibility and simplicity. Although I value simplicity, that doesn't mean I forgo the details. I like to use structural HTML, including microformats when appropriate, and style everything though CSS. When creating something that uses AJAX, I first build the functionality as if JavaScript were unavailable, then I refactor in the AJAX. Following are my area of expertise iphone app development Universal binary development, testing and debugging CodeWarrior to Xcode conversion PowerPlant to Cocoa conversion Cocoa and Carbon development and porting Classic Mac OS to OS X application porting Windows to Mac OS application porting Mac OS driver development. Mac OS product maintenance Other mobile programming: Google Android Blackberry Windows Mobile

Groups: Android, Engine Yard Ruby on Rails Professionals Network...

Associated with: Allrails

$35.00 /hr
651 hours

Fuad O.

Fuad O. Agency Contractor

Ruby on Rails Expert / My SQL / Mongo / Facebook API / Twitter API

Bangladesh - Tests: 6 - Portfolio: 12

I have about 7 years of professional experience in dynamic web application development using ruby on rails, .net framework, My-SQL/MS-SQL/Mongodb, amazon web services, different types of API (e.g. Facebook, Twitter, UPS, Amazon Product advertising API,,, Stripe,, payment gateway integration, Ajax, linux, automated test (Using Rspec, RCov). Besides, I have more than 4 years of experience of leading team, communication with foreign clients to analyze requirements and develop software. As a certified scrum master, played the role of scrum master in different projects. I have a great team in my company which ensures utmost quality and quick response to the clients. Bangladesh is not the number one outsourcing destination of the world. So, we are used to work harder and smarter. We are not the Wal Mart, but we are your local bargain shop that charges less and bring handpicked goods to your neighborhood. Take a look at our company expertise at or follow our blog at We are a finalist for the 2012 Red Herring Top 100 Asia Award See - We recently won eAsia2011 ( ) award for "Driving Economy: Best ICT Initiative Boosting Business Productivity" for our own product - See

Groups: Engine Yard Ruby on Rails Professionals Network

Associated with: Nascenia IT Agency

$25.00 /hr
2,490 hours