Ruby Ukraine Freelancers

Showing 715 freelancers

Ruby Ukraine Freelancers

Showing 715 freelancers

  • Scientific and custom programming

    Over the last 12 years I have developed a range of scientific and custom applications, among which are weather-predicting and water modeling systems, visualization with Qt4 and OpenGL, parallel programming with MPI. I am proficient in Linux, Fortran, shell programming … more

    Over the last 12 years I have developed a range of scientific and custom applications, among which are weather-predicting and water modeling systems, visualization with Qt4 and OpenGL, parallel programming with MPI. I am proficient in Linux, Fortran, shell programming, AWK, C, and C++. I have a hands-on experience with MySQL, Apache, Python and Java. My current interests include Nvidia CUDA, Common Lisp, Clojure Lisp, and signal processing. Hmmm... No market for MPI and Fortran, you say? All right, here is my shiny recent skill: Objective-C, Mac OS X, iPhone OS.  less

    linux-system-administration fortran bash awk c++ lisp opengl 00 more less
    • $30.00 HOURLY RATE
    • 5.0
    • 2109 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 16 TESTS
  • Senior Software Engineer (Ruby, Ruby on Rails, AngularJS, Backbone)

    Have 10 years of commercial software development experience. 6 years, I work with Adobe Flex 3/4 and AIR technologies. Using MVC, design patterns, PureMVC / Caingorm / Mate / Robotlegs frameworks, strong knowledge of performance issues solving, memory leaks, working with large … more

    Have 10 years of commercial software development experience. 6 years, I work with Adobe Flex 3/4 and AIR technologies. Using MVC, design patterns, PureMVC / Caingorm / Mate / Robotlegs frameworks, strong knowledge of performance issues solving, memory leaks, working with large data sets in Flex, custom components development, spark skinning. Last 4 years, I work as senior Ruby on Rails engineer. Using Ruby, Ruby Rails, Javascript / Coffeescript, CSS / SCSS, HTML5 / HAML, Bootstrap, Backbone, AngularJS, Handlebars, jQuery, Ajax.  less

    actionscript-3 adobe-flex html5 javascript jquery backbone-js css3 ruby ruby-on-rails coffeescript haml sass 00 more less
    • $38.89 HOURLY RATE
    • 4.9
    • 2325 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 7 PORTFOLIO ITEMS
    • 8 TESTS
    GROUPS:
  • Expert Ruby on Rails Developer, Team Lead, PM

    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 … more

    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: http://www.linkedin.com/pub/vladimir-rybas/13/901/1a9 Github: https://github.com/vrybas Tech Blog: http://vrybas.github.io/  less

    mysql javascript ruby ruby-on-rails github linux-system-administration agile-software-development scrum 00 more less
    • $100.00 HOURLY RATE
    • 4.3
    • 5916 HOURS
    • THAILAND
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 3 TESTS
  • The Best Programmer

    Over the last 13 years , I have developed a wide range of websites and other software using HTML, DHTML, PHP, MySQL and other ... including sites for startup companies, small and large businesses, more than 300 projects. My core competency lies … more

    Over the last 13 years , I have developed a wide range of websites and other software using HTML, DHTML, PHP, MySQL and other ... including sites for startup companies, small and large businesses, more than 300 projects. My core competency lies in complete end-end management of a new website development project, and I am seeking opportunities to build internet and intranet websites from the ground up for you or your business. I have very experience in the following areas: SQL, Ajax, OOP, PHP, MySQL,Flash, Action Script and User interface (UI), software management, SEO, testing. I develop 7 custom cms system, install and setup more typical system like Joomla, WordPress, etc, more 1000 setup. Make custom js lib and use more. I can do any web project . And always do it to finish.  less

    php mysql smarty javascript html ajax drupal joomla cakephp symfony oscommerce wordpress 00 more less
    • $22.22 HOURLY RATE
    • 4.7
    • 1641 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 1 TEST
  • iOS and Linux expert

    I have 3+ years of commercial iOS Development experience. I have Linux system administration skills, Ruby-On-Rails development skils. I have developed iPhone clients for 2 social networks and many other projects with different thematics. I have experience of working in … more

    I have 3+ years of commercial iOS Development experience. I have Linux system administration skills, Ruby-On-Rails development skils. I have developed iPhone clients for 2 social networks and many other projects with different thematics. I have experience of working in outsource companies as well as companies with own products. Supported a number of third-party projects of a different scale.  less

    ios-development objective-c c c++ git sqlite linux-system-administration swift 00 more less
    • $25.00 HOURLY RATE
    • 4.9
    • 112 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 7 PORTFOLIO ITEMS
    • 5 TESTS
  • Expert Full-Stack Developer [Java, Python/Ruby, JS, Clouds, ...]

    Professional technologist and full-stack developer, 5+ years of experience. ► Interests • Solving problems using technology • Leading team and guiding process • Startups & IT entrepreneurship ► Expertise • Full-stack development → servers, clouds, data, design, implementation, deployment, test, APIs, UI/UX. • Agile, Scrum, Productivity • Deep understanding … more

    Professional technologist and full-stack developer, 5+ years of experience. ► Interests • Solving problems using technology • Leading team and guiding process • Startups & IT entrepreneurship ► Expertise • Full-stack development → servers, clouds, data, design, implementation, deployment, test, APIs, UI/UX. • Agile, Scrum, Productivity • Deep understanding of software development and IT field. ► Specialties • Server / Cloud → *nix, Java, Python, Ruby, Node, PostgreSQL, Redis, MongoDB, AWS, ... • Web → html/css, javascript, REST APIs. • Working directly with customers, transforming ideas and business requiremenets into working solutions, planning workflow and engaging people.  less

    c# .net-framework java python sql c++ linux-system-administration ruby-on-rails spring-framework ssl redis node.js mongodb 00 more less
    • $35.00 HOURLY RATE
    • 5.0
    • 1 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 3 PORTFOLIO ITEMS
    • 11 TESTS
    ASSOCIATED WITH:
  • CSS3/HTML5/JavaScript/jQuery/LESS/SASS/Twitter Bootstrap Developer

    I have over 6 years of experience working as a front-end developer (6,000 hours with 4,97 feedback are saying a lot). I always stay current with the modern trends in front-end. I am working with such frameworks as … more

    I have over 6 years of experience working as a front-end developer (6,000 hours with 4,97 feedback are saying a lot). I always stay current with the modern trends in front-end. I am working with such frameworks as Twitter Bootstrap, LESS/SASS and can learn any other if your project requires that. I possess good jQuery skills and also basics of AngularJS. And in general I am a nice person to talk with. If you have any questions before, during or after the development process, you can always contact me and get all the answers you need. Don't hesitate to contact me :)  less

    xhtml javascript css html twitter-bootstrap less-framework sass html5 css3 jquery 00 more less
    • $22.22 HOURLY RATE
    • 5.0
    • 6230 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 10 PORTFOLIO ITEMS
    • 9 TESTS
    ASSOCIATED WITH:
  • Full-stack web developer with 12 years experience specialized to RoR

    I am full-stack web developer with 12 years experience. Initially spend with PHP in numerous projects like billing system, SEO optimized websites, file search engine, website crawlers. More recently I have been working with Ruby On Rails projects like distributed … more

    I am full-stack web developer with 12 years experience. Initially spend with PHP in numerous projects like billing system, SEO optimized websites, file search engine, website crawlers. More recently I have been working with Ruby On Rails projects like distributed comment system, Spree commerce extensions and customization, custom CMS, mobile HTML games. I am mostly backend developer, have hiloads expertise, but also do frontend jobs, familiar with modern javascript/CSS frameworks. Have some experience with development for Android, chrome extension. Strong unix skills. I am customer focused, I am successful when I bring success to mine customers.  less

    ruby-on-rails mysql linux-system-administration jquery chrome-extension spree php research bootstrap 00 more less
    • $35.00 HOURLY RATE
    • 5.0
    • 67 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 6 PORTFOLIO ITEMS
    • 2 TESTS
    GROUPS:
    ASSOCIATED WITH:
  • Cloud Computing expert

    I am working in a big company as a technical support and looking for a second job. I have experience in Linux servers and desktops administration, have my own blog about Ubuntu tricks. Also, I have a great knowledge of … more

    I am working in a big company as a technical support and looking for a second job. I have experience in Linux servers and desktops administration, have my own blog about Ubuntu tricks. Also, I have a great knowledge of building of web servers, acceleration of web sites, load balancing, problem troubleshooting and good command of written and spoken English. I am good in scripting, no matter is it PHP or Shell. Have a basic knowledge of MySQL. Best what I do is hosting optimization and providing optimization solutions. I also very familiar with mass hosting, cloud computing and cloud storages, scalebility and other web solutions. You can ask me anything you want. I have a very good deductive reasoning and troubleshooting skills. Past 2 years I work alot with Cloud Computing and Amazon Web Services.  less

    unix-shell php amazon-web-services amazon-ec2 amazon-s3 amazon-rds ruby-on-rails django-framework 00 more less
    • $33.33 HOURLY RATE
    • 4.9
    • 255 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 5 PORTFOLIO ITEMS
    • 10 TESTS
    ASSOCIATED WITH:
  • Ruby | Ruby on Rails developer

    I am a self motivated Ruby on Rails developer with a 4 years of experience. My total experience in IT is more than 7 years. I can implement your crazy ideas with the best web solutions. I like to solve … more

    I am a self motivated Ruby on Rails developer with a 4 years of experience. My total experience in IT is more than 7 years. I can implement your crazy ideas with the best web solutions. I like to solve complex problems that require research and analytic skills. My areas of expertise include a broad range of technical experience and skills, focused on software development, scalable internet architecture and data design. In the last projects I've used Ruby on Rails, CoffeeScript, Haml, Sass, PostgreSQL, Bootstrap, Git, Heroku, Nginx, JavaScript, jQuery, HTML5, CSS3, Flex, ActionScript and a lot of other libraries and technologies .  less

    ruby-on-rails ruby rspec postgresql coffeescript sass haml objective-c adobe-flex 3d-modeling 00 more less
    • $22.22 HOURLY RATE
    • 5.0
    • 1201 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 5 PORTFOLIO ITEMS
    • 1 TEST
loading