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Vital Ryabchinskiy

Vital Ryabchinskiy Agency Contractor

Ruby on Rails Developer

Ukraine - Last active: 6 days ago - Tests: 6

I have been working in IT-industry for more than 10 years, 7 of which as a front-end, back-end developer and database architect. I'm working as a server department team leader for more than 6 years on different projects, so working with requirements, architecture design, initiative to make the product better - all this are part of my daily routines. Highly efficient and responsible, always work hard to deliver the best possible result. Top 10% of Ruby on Rails and JS developers I have deep knowledge of Ruby on Rails (2.x - 4.x), MySQL, PostgreSQL, ClusterPoint, TrueVault, JavaScript, JQuery, Ajax, CoffeeScript, Bootstrap, Amazon Web Services, Capistrano, RSpec, Capybara, ActiveAdmin, Nginx, Passenger, Memcached, Redis, Rescue, Sphinx, Monit, Zabbix, Carp, Nagios, Debian, CentOS, openSUSE, Ubuntu.

Associated with: Diversido Mobile
$40.00 /hr
301 hours
0.00
Michal H.

Michal H. Agency Contractor

Web and UX Designer

Denmark - Last active: 4 days ago - Tests: 2

I am a WEB and UX designer running a small digital agency called UX Nova. In my work I strive to create beautiful and user friendly interfaces for websites and applications. To achieve this I have gained all my design skills freelancing for various clients while completing my Master´s in Psychology. In 2012 I have started freelancing full time and had a chance to design and build websites and apps for wide range of clients from Europe, USA & Asia. My big success last year was an opportunity to solely design a big execution management web app for a Danish company which is going to be launched in 2015. You are very welcome to check my work at WWW.UXNOVA.DK My Workflow for new website: 1. Listening and learning about client vision, business goals and audience 2. Using this information to design a beautiful website that keeps in mind business goals 3. Testing the website with real users to ensure maximum user experience and avoid surprises 4. Fine tuning the website based on user and client feedback 5. Building the website with skilled developers from my network 6. Launching the project and enjoying the view 7. Keeping eye on the project and its performance

Associated with: UX Nova
$30.00 /hr
67 hours
0.00
Fawad Qureshi

Fawad Qureshi Agency Contractor

Senior Ruby On Rails Expert - 6+ Years of Experien...

Pakistan - Last active: 10 days ago - Tests: 1 - Portfolio: 3

An experienced Ruby on Rails developer with more than five years of experience in the field. I have an experience of working and publishing various projects in Ruby and Rails (from version 1 to the current release, version 3) using web 2.0 standards. I have experience of developing Rails Plugins. I have an extensive experience of designing, managing and deploying rails applications. The kind of work I have done involves UI intensive web applications with REST API’s, high performance application, payment gateways and back end applications talking to third party libraries, mobile apps, database migrations etc.

Associated with: VeriTech
$30.00 /hr
249 hours
0.00
Alexey Gansh

Alexey Gansh Agency Contractor

Back-end web developer - WordPress, Symfony2, node...

Russia - Last active: 3 days ago - Tests: 1

I work over last 4 years as PHP back-end developer. Previosly worked as ASP.NET developer. My core competency is making flexible, bugs free code, covered by tests. TDD. In CMS's world I work with own on Symfony 2 and WordPress. I also have skills in JS - Angular, Backbone, Ember.

Associated with: Umbrella Outsource
$35.00 /hr
860 hours
0.00
Karthikeyan Chenniappan

Karthikeyan Chenniappan Agency Contractor

iOS | IPAD | MACX | Computer Vision | openCV | no...

India - Last active: 14 days ago - Tests: 2

My core competency lies in iOS Programming, Mac OSX programming, Image & Video processing, openCV, iOS/Android Mobility and Mac Desktop projects, facial biometric recognition solutions. - iOS Programming - iPAD Programming - Mac OSX Programming -Image Processing / Video Processing -Having work experience in facial recognition projects. -Having work experience in facial expression projects

Associated with: Hubino
$33.33 /hr
1,175 hours
0.00
Sumit Kumar Roy

Sumit Kumar Roy Agency Contractor

Data Warehousing,Business Intelligence and Big Dat...

India - Last active: 2 days ago - Tests: 2 - Portfolio: 2

Sumit have worked in the It industry for over 17 years. He has vast experience developing software from Supply Chain Management, POS, E-Commerce, BFSI, manufacturing etc. He holds a post graduate degree in IT and E-Commerce. Customer-focused, highly organized self-starter with effective customer-service skills and demonstrated ability to manage technical aspects and per-sales projects, architect tailor-made customer solutions, build relationships, communicate solution strategy and product offerings, and provide technical expertise, support, and training to sales and customers. For over seven years, career focus has been centered on Business Intelligence and Data Warehouse system design, development and deployment. The application of extensive experience across multiple DBMS' and platforms has provided a strong aptitude for multidimensional data base design coupled with robust operational architectures. Have 8 years’ experience in BI Data analysis and generation of complex Analytical/Statistical report for Finance/Marketing/Supply Chain Management.

Associated with: Octocube Consulting
$38.89 /hr
195 hours
0.00
Rodney Caston

Rodney Caston Agency Contractor

Systems Engineer

United States - Last active: 1 day ago - Tests: 3

I have over fifteen years experience in linux systems administration and development, having managed large environments composed of many thousands of systems. I believe I bring with me a valuable perspective on how to provide solutions for efficiently managing extremely large, and distributed environments without scaling headcount. Some of my accomplishments include having built site reliability/network operations centers from the ground up, from the development of the fault and performance management systems to the management of the staff. I have built up and administered large scale email infrastructures which would send and receive millions of emails daily. I have managed datacenter migration projects consisting of thousands of servers running live services. I have extensive experience in the online gaming industry, focusing on adminsitration, server engineering, and DevOps. I have even worked in a creative capacity as a writer and creative designer in the past, having co-created the MegaTokyo™ intellectual properties. Given the variety of roles I've had in my career, I consider myself a jack-of-all-trades. What I enjoy most is being able to provide value to the organizations that I am able to support, regardless of what role that places me in at the time. Specialties: Amazon Web Services, Apache, Backtrack 5, Bind/DNS, Cacti, Chef, Cloud, Drupal, Elasticsearch, Ganglia, Glusterfs, HAProxy, Heartbeat, Kibana, LDirectord, Linux (Ubuntu, Debian, Redhat, CentOS, Kali), Logstash, Memcache, Metasploit, Monit, MongoDB, MRTG, Munin, MySQL Server, Nagios, Netcool, Nginx, Offensive Security, OpenVAS, OpenVPN, OSSEC, OSX, Penetration Testing, Postfix, PowerDNS, Puppet, Ruby, RRDTool, SAN, Samba, Sendmail, Shell Scripting, Splunk, Squid, Syslog, SMTP, SNMP, SSL, Squid, TCP/IP, VMWare, Windows, and Xen.

Associated with: Caston Consulting LLC
$91.11 /hr
1,358 hours
0.00
Ben Firth

Ben Firth Agency Contractor

Expert Web Developer (PHP / MySql / jQuery)

Australia - Last active: 23 hours ago - Tests: 3

After running my own freelance web development business for two years, I took a full time job coordinating the web department of an advertising agency for three years. My work there primarily involved creating custom PHP websites for property developments, building & incorporating features such as interactive masterplans, dynamic PDF flyer downloads and advanced property searches. I also developed websites for retail & tourism businesses, some involving custom content management systems built from the ground up. Since then I have moved to a new city and started my own company. I have developed custom websites for new local businesses, as well as taking over the development of the GoCoffeeGo website, fixing bugs, improving performance, as well as building & integrating several new features. I have regular and extensive experience with the following: • HTML, twig • CSS • JavaScript, jQuery • PHP • MySql • PHP on Trax, Symfony2 • YAML, htaccess • cPanel & WHM • Flash, AIR (ActionScript 2.0 & 3.0) • PhotoShop & InDesign (CS - CC 2014) I am currently looking to take on new development work. In particular, anything involving custom programming for large-scale web applications, or where a wide range of new or emerging technologies are needed, basically anything a little bit challenging.

Associated with: Powder Silk Pty Ltd
$50.00 /hr
1,679 hours
0.00
Vasiliy Maluk

Vasiliy Maluk Agency Contractor

Backend developer - Symfony2/Wordpress, MySQL/NoSQ...

Russia - Last active: 4 days ago - Tests: 8 - Portfolio: 4

I am a backend developer, and I am always looking for challenging projects to apply my skills to. I did complex projects, and I know how to plan architecture for projects flexible for changes, and bug free. When I work on project - I use a motto - quality is nothing if deadline failed. So you can be sure that your project will be done in time and with best quality. Looking for your interesting project!

Associated with: Umbrella Outsource
$35.00 /hr
899 hours
0.00
Carlos David Rios Vertel

Carlos David Rios Vertel Agency Contractor

Computer Science Engineer

Chile - Last active: 1 month ago - Tests: 8 - Portfolio: 3

I am a bachelor in Computer Science Engineering, 2 years of experience on web development and 3 mobile applications (iOS & Android). I have the needed skills to develop any software solution, making unique, optimal, scalable products, that answer to your needs and budget. Every time I develop a project I put all my best effort into it, to obtain excellent results and get high client satisfaction. I think this is the most important aspect in a working relationship. I invite you to continue reading my complete information and portfolio, and let me be part of the ideas you have in mind, together we can make them real and successful. Skills - iOS, Objective C, C, C++ - ANDROID - HTML 5 - JAVASCRIPT - RUBY ON RAILS - TEAM LEAD - SCRUM

Associated with: iOS Dev Club
$33.33 /hr
56 hours
0.00