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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: October 1, 2015
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Ruslan T.

Ruslan T.

Professional Python and Django developer

Russia - Tests: 4

Hello! Over last 7 years I have developed a wide range of websites, services, scripts and decisions. The mainstream of my activity is web development. The set of services I provide includes: - server-side programming on Python using framework Django (sometimes I'm programming on Ruby on Rails) - database engineering on MySQL and PostgeSQL - web scraping (I use regular expressions, Scrapy and threading technologies for better performance) - client-side development on JavaScript (using Ajax technology and various frameworks such as jQuery, Prototype) - work with various APIs - administrative routine Linux, Nginx, Apache, MySQL, PostgeSQL, etc.

Groups: Coding Champs

$22.22 /hr
53 hours

Vassiliy Shvetsov

Vassiliy Shvetsov

Software Architect

Kazakhstan - Tests: 9 - Portfolio: 3

I have hands-on experience with wide variety of technologies, deep enough to solve any sort of tasks and problems my team and I are facing every day. Good interpersonal skills, curiosity, enthusiasm and dedication - these skills help me inspire my colleagues, accomplish tasks and meet deadlines. Currently I have more than 7 years of professional experience in development of enterprise-level applications. Hands-on experience includes: - C# .Net, WPF, WCF, Java EE, jBPM, Oracle Fusion Middleware; - Ruby, Rails, JavaScript, PHP, Python; - MS SQL, Oracle, MySQL, PostgreSQL, Redis, MongoDB; - Linux administration, etc., etc. Current area of interests includes distributed systems, cloud computing and data mining. I always strive for further advancement of my personal and professional skills.

$50.00 /hr
3,948 hours

Darya Tkachenko

Darya Tkachenko

IT Business Analyst/Software Enginer/Network Enginer

Russia - Tests: 7 - Portfolio: 1

# Control, discipline, order. |==================================================================| I have been working in software industry since 2003. During this period I participated in several long-term projects. Most of my technological expertise lies in the area of Java, RoR, PHP C++/C technology with a good background in OOP and MySQL, Firebird databases. I am very strong in JavaScript, jQuery, AJAX, JSON, XML, SOA, EJB, SOAP, HTML, HTML5, CSS, CSS3. Over the last 2 years, I have developed large scale applications in multiple fields as banking solution, Banking Solutions Integration, ERP,CRM, MRP, AML, POS, Transfer, E commerce and financial applications. |==================================================================| - Knowledge of system design technologies: UML, SADT, BPM, IDEF, DFD, IDEF3 standards, acquaintance with ARIS, Bizagi. - Proficiency with IBM Rational Requisite Pro, Rose, Altova MissionKit, Allfusion Process Modeler, MS Visio. - Proficiency with SPSS, Statistica 10, Mathcad 14, Matlab, Microsoft Excel - Expertise Business Plans, Marketing Plans, Investor Presentations, Pitch Decks, Market Research - Framework: COBIT, ITIL - Iterative software development process framework: Rational Unified Process, Agile |==================================================================| I am Cisco network professional. Offer design, installation, maintenance, configuration, support and pentest networks built on Cisco and Huawei vendors equipment. Routing: RIP/OSPF/EIGRP Switching: VLANs/802.1q/VTP WAN: Ethernet/CWDM/PPP/Frame Relay Wireless and security technologies : QoS IP services: SMTP/SNMP/TFTP/FTP/HTTP/DHCP/DNS/NAT IP multicast: IGMP Monitoring: Syslog/SNMP/Netflow |==================================================================| My hobbi is painting, desing and 3D computer simulation .

$110.00 /hr
0 hours

Jimmy T.

Jimmy T.

Problem Solved

United States

I'm a full stack web developer! Most of my experience is in Ruby on Rails application development with heavy javascript on the front end. The advantages of hiring me are that I am very responsive, I have an emphasis on quality and correctness, and I like to get a good grasp of a problem and discuss the solution before diving into code. I believe in best practices, good architecture, clean code style, and forward thinking for scalability. Consider my services if you want future engineers to easily expand on the work that I do.

$50.00 /hr
11 hours

Niels Ganser

Niels Ganser

German Engineered Ruby on Rails Solutions & Reliable Project Managment

Germany - Tests: 7 - Portfolio: 3

Hi, I'm Niels, a seasoned software engineer based in Germany mostly working on web applications of all kinds using Ruby on Rails (3 and 4), (My)SQL, mongodb, redis, HTML(5), CSS and JavaScript in an agile manner. I also set up and maintain Linux servers. Several applications that I architected, implemented and maintain are in active production use. Please see my portfolio for details. I have years of experience as a senior developer – working solo, in co-located teams as well as in distributed teams – and hold a postgraduate diploma in Management of Software Projects. My greatest prides are proactiveness, reliability and good communication Please note that I do *not* do graphic design. Not for a lack of interest, but for an unfortunate lack of artistic talent. Sorry! :)

Groups: Engine Yard Ruby on Rails Professionals Network

100% Job Success
$128.50 /hr
5,383 hours

Miheretab Alemu

Miheretab Alemu

Software Engineer (Software Developer)

Ethiopia - Tests: 10 - Portfolio: 30

I have 5+ years of experience in web development, mobile development application. I have done many works with PHP and Java for web application especially with different MVC framework like CakePHP, Grails, CodeIgniter, Zend, Symfony, Yii and different CMS like concrete5, moodle, modX. I am highly experienced in any MVC Framework even with different programming languages. I am also international certified on Java. I have done android game application and android home widget application in Java. I have experience with many programming language like Python especially Pylons and Django web application, Ruby especially Ruby on Rails web application, Java with Grails including script languages such as ajax, json, javascript, xml, rss, xslt and flex for active script language and with content management systems. I have been using sql server, mysql, oracle, mongodb and sqlite3 for database. I have participated on National and International project. I have masters on Software Engineering.

Groups: concrete5, Crossrider...

96% Job Success
$33.33 /hr
2,258 hours

Vladimir Rybas

Vladimir Rybas

Expert Ruby on Rails Developer, Team Lead, PM

Thailand - Tests: 3

70% of all software projects fail. Why is that happening? A few reasons: - Poor communication - Poor communication - Poor communication - Badly defined requirements - Wrong project's priorities - Sloppy development practices How do I address these issues: *Communication & Requirements clarification* - Monday to Friday daily status meetings at fixed time, suitable for all team members(customer is a team member). - Weekly iteration planning meetings. - Transparent and easy-to-use Project Management tools. *Project prioritization* - Complexity estimation - Short iterations & short feedback loop *Development practices* - Perfectly clean code - Test Driven Development (99% test coverage). - Obligatory code review & collective code ownership. - Domain Driven Design, Lean Architecture, GRASP, SOLID If this sounds good for you, let's get this done. LinkedIn: Github: Tech Blog:

100% Job Success
$100.00 /hr
5,932 hours



Web Developer(cakephp,CSS3,HTML5,jquery,prestashop, iphone-app-dev )

Pakistan - Tests: 5 - Portfolio: 5

Seeking a position that will take full advantage of my skills as well as offer me the opportunity for increasing levels of responsibility and professional growth. Quick learning ability and always open to learn new ideas. Ability to lead and work with people well as evidenced by my active participation in campus activities and in programming compositions (ACM , GEEK-WEEK ,Softec) .

82% Job Success
$11.11 /hr
366 hours

Dave Park

Dave Park

World traveler and Engineering graduate funding life through Rails

New Zealand - Tests: 3

I am a recent graduate from the Engineering Systems and Computing program in Guelph. I have enrolled in the EIT program, and am currently looking for work in a Software Engineering setting to build my portfolio. My long term goal is to find a full-time work as a software developer or a systems engineer. My dream is to get into robotic and prosthetic applications. I have strong experience working in C, allowing me to understand other programming languages such as Java and Ruby with ease. In C, I have written code ranging from an ISBN translator to EAN to robotic applications involving inputs from visual sensors. I have worked in Ruby on Rails to maintain an e-commerce store, and I have also used Rails to tie in with the BigCommerce API. I have used PBXinaFlash to recreate an existing phone server for a small company. Hiring me may not get the job done as quickly as an expert in the field, but you'll have an enthusiastic individual who will definitely get the job done. My skills include but are not limited to: -Ruby on Rails -C -BigCommerce -Microsoft Word -Microsoft Excel -Java -HTML5 -CSS -Microsoft Windows OS (2008+) -Mac OSX 10.5+ -Linux Ubuntu 12+

$23.00 /hr
42 hours