Ruby Ukraine Freelancers

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Iaroslav Z.

Iaroslav Z.

Web / Graphics / UI / UX, Photoshop, Illustrator,...

Ukraine - Last active: 22 hours ago - Tests: 2 - Portfolio: 30

I'm a professional freelance web and graphics designer from Ukraine, Working with Photoshop, iIIustrator, HTML5 / CSS3 Over the last 10 years i've worked for many high developed US companies that provide high range of web services. My Role was to keep all the graphics and web work in my hands, also communicate with the other developers to achieve the perfect result for a client. Always looking for a full-time position of a Graphics or Web Designer. I'm an expert in what i'm doing: responsible, reliable and communicative person.

$33.33 /hr
11,753 hours
4.90
Andriy P.

Andriy P.

Senior Software Engineer (Ruby, Ruby on Rails, Jav...

Ukraine - Last active: 22 hours ago - Tests: 8 - Portfolio: 4

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.

$38.89 /hr
2,373 hours
4.91
Andrey B.

Andrey B.

html5/xhtml/css/css3 Developer, Smarty, Zend Frame...

Ukraine - Last active: 22 hours ago - Tests: 3 - Portfolio: 31

I have over seven years experience of front-end. I live in Ukraine. Time zone GMT + 2:00. Completed over 1000+ projects, 250+ of them with implementation to the engine based on Ruby on Rails, Zend, Smarty, Codeigniter. Now my specialisation is a large projects (50+ models). I know how to properly organize work with a lot of styles. I am able to do modular structure of html elements. Whereby sites that I do becomes semantic constructor. This enables the project to grow freely. I can offer to you deep knowledge and experience of css3 animation, css3 3d transform, icon font creation, css sprites, data:uri, microformats. I know how make website load time and render time optimization. Specialties: HTML5, CSS2-3, jQuery, Zend/Smarty, Ruby on Rails Experience: HTML5/HTML/xhtml/CSS/CSS3 - excellent level (layers layout (div), semantically correct code, Handcrafted code) SASS, LESS, Stylus - fluency in Jade, Slim, Haml - fluency in SVN, GIT - fluency in jQuery - fluency in SVG, icon Fonts - fluency in Ruby on Rails, Zend, Smarty, CodeIgniter - layout implementation. I can write code right into sites engine, this save customers time and money. Photoshop - user level To create a page of average difficulty I spend 6-9 hours.

$44.44 /hr
227 hours
4.77
Vedran J.

Vedran J.

Linux Administrator, AWS, Nginx, Ubuntu, CentOS, E...

Croatia - Last active: 2 days ago - Tests: 9

8+ years of experience in: ** LAMP/LEMP(Nginx) administration and server hardening (Ubuntu, Debian, Centos,RHEL,HAProxy, Ruby/Thin deployment DevOps, Python/Django deployment DevOps,Nagios, fail2ban..) ** Amazon web services - AWS (EC2, VPC, RDS, S3, Route53, Cloudfront, Elastic Load Balancer, AutoScaleing, etc..) ** Nginx rewrites ** Google pagespeed ** Linux troubleshooting ** VPS providers: Linode, Rackspace, Amazon(AWS), MediaTemple, HostGator, Cloudflare, MaxCDN, CloudFront, NameCheap, GoDaddy, DigitalOcean, EC2, Bluehost ** Parallels Plesk ** Odoo/OpenERP installation ** VPS administration ** AWS EC2 administration ** VMware vSphere ** NewRelic ** fail2ban ** HAProxy ** keepalived, vrrp ** Nagios monitoring ** Elastic Load Balancer ** LINUX deployment and migration ** Rackspace Cloud Services ** Ruby on Rails app deployment ** Python - Djengo app deployment ** CPANEL, PLESK, WEBMIN, SHELL/SSH administration ** proftpd, pure-ftpd, pure ftp ** DNS, BIND, PowerDNS ** SSL certificates ** Site migration ** Network troubleshooting ** CSF firewall ** VPN ** Cisco, Mikrotik, Juniper Networks, Extreme Networks.. ** Linux PENTAHO deployment ** Squid, AiCache, AiScaler ** CVE-2014-0160 - OpenSSL Heartbleed patching. EXPERIENCE: Knowledge in Linux networking and service management, such as APACHE server, Nginx, LAMP, LEMP, LNMP, MYSQL, POSTGRESQL, tcpdump, haproxy, WIRESHARK, tshark, URL rewrite. Eight years of first hand experience in network and linux administration, support and Core Network design in Telecom environment. Excellent knowledge of various tasks such as: routing, BGP, VPN, Layer 3 networking(Routing), Layer 2 networking (LAN switching), VLAN, OSPF, RIP, network and packet troubleshooting. Working experience with various network equipment such as: Cisco, Juniper Networks, Extreme Networks, HP networking, MikroTik RouterOS, Ericsson OSS, Redback Networks and so on.. Experience with various providers such as: -AMAZON WEB SERVICES (AWS, EC2..) -RACKSPACE -HOSTGATOR -GoDaddy -MediaTemple -Cloudflare -NameCheap -LINODE -QuickWeb -HAProxy -etc.. -WHMCS RESELLER setup and migration on project or permanent basis. Including DNS, EMAIL, WORDPRESS migration -CPANEL, PLESK, WEBMIN, H-sphere, SHELL administration -SSL certificates Also available for packet and network congestion inspection. Having problems with BGP load balancing in multihome environment, need help or advice, contact me! :) Dedicated SERVICE MONITORING on own server with escalation on your own mail address

Groups: LoginRadius
$45.00 /hr
2,781 hours
4.92
Daria G.

Daria G.

Back-end and front-end dev and photographer

Ukraine - Last active: 22 hours ago - Tests: 2 - Portfolio: 1

I specialize on Ruby on Rails and front-end development. In spite of the fact I have got a degree in International Journalism and Translation, I worked as QA and IT Sales for total of 3 years (from 2008) and then moved to web development from Jan, 2012. I have performed both back-end tasks (from basic CRUD to making simple APIs or server scripts) and front-end (building static websites from scratch or developing views with twitter-bootstrap). I believe the experience is formed with the quality of the projects, you have delivered, and not with the years of sitting in front of the laptop. Specialties: ruby 1.9.2+, Ruby on Rails 3.0+, linux and MacOS X environment, unix-shell, Git, SQL (SQLite, MySQL, PostrgeSQL), HTML, Haml, CSS, Sass, Less, twitter-bootstrap, javascript, jQuery Here is link to my github profile: https://github.com/amseledka I do photographs and various design tasks in my spare time, as well as help my friends with Russian-Ukrainian-English translations. My flickr profile: http://www.flickr.com/photos/37859578@N06/

$33.33 /hr
1,746 hours
4.61
Oleksandr Kulakovskyi

Oleksandr Kulakovskyi

Mobile Developer

Ukraine - Last active: 14 days ago - Tests: 1 - Portfolio: 3

I started learning development when I was 15. At first it was simple HTML pages, then I played with different CMS web platforms such as WordPress or Joomla. When I got my first Android device I decided to learn more about mobile development. Over the last 5 years, I developed a wide range of mobile apps. From simple torch or web view apps to GPS loggers, geolocation apps, social network apps, etc. My core competency lies in complete end-end management of a new mobile application development project, and I am seeking opportunities to build apps from the ground up for you or your business.

$33.33 /hr
1,075 hours
4.95
Ivan L.

Ivan L.

Team Lead, Senior Ruby on Rails, co-founder at RM

Ukraine - Last active: 13 days ago - Tests: 1

I'm a Tech Lead with about 8 years experience in web-development and about 4 years in Ruby on Rails. I have in portfolio more than 40+ finished rails projects from social platforms and e-commerce to SaaS. I'm self motivated, can solve complex tasks in a short time. In the past two years my main roles were architecture planning, choosing the right technology stack using the client's requirements, development management, team management I like Agile and use it every day - iterations, scrum daily meetings, retrospectives. I like confident code and TDD/BDD. I'm experienced in RSpec, Capybara and Cucumber. Often I help clients to understand what will be the best development approach for them. Do they need only MVP or there is a sense in building full version. What technologies are best for their project. Plan deadlines and budget. I'm very familiar with AWS technologies stack - setup EC2 instance from scratch, configure balance loader(EBL), setup push notifications service(SNS), emails(SES), database instances(RDS), and other services I have an experience in buiding a high-load applications, huge processing centers with 1,000,000 processed jobs daily(in Sidekiq), PostgreSQL database size more than 500GB and everything places on EC2 instance with 32 Cores and 68GB RAM. That was very excited. I'm a fun of continues integration and continues deploy practices. I also have experience in front-end development: JavaScript on advanced level, canvas, CoffeeScript, web-sockets(socket.io) with node.js back-end, backbone.js, Ember.js In the past years there is a trend to have an application with RESTful JSON API built in Ruby on Rails. I have experience in building more than 5 different APIs for different projects. Some of them were versioning and have up to v4. There is always a challange to support old versions, but we successfully doing it. Some have HIPAA protection, one application had a really complex structure of API URLs but it was very easy to work with it in the end since we built it human readable. Thanks for you time!

$40.00 /hr
3,106 hours
4.87
Kyrylo Savytskyi

Kyrylo Savytskyi

iOS developer (RubyMotion, Objective-C), web devel...

Ukraine - Last active: 17 days ago - Tests: 3 - Portfolio: 4

Hi, my name is Kyrylo, and I'm oDesk Verified Mobile Applications Developer. I mainly focus on iOS development with Rubymotion, but also can work with Objective-C and Swift, have a lot of experience in web-development including back-end (Node.js, Ruby on Rails) and front-end development (Angular.js, Ember.js). I was working on applications like PackPoint or TradeGecko that were mentioned by TechCrunch, Lifehacker, TheNextWeb, 9to5Mac, Washington Post, L.A. Times and others. Some other apps were featured in App Store, others have 60k+ monthly users.

$33.00 /hr
5,633 hours
5.00
Volodymyr A.

Volodymyr A.

Force.com and C# Developer

Ukraine - Last active: 4 days ago - Tests: 6

Over last 3 years I was working with Force.com platform, implementing different tasks using workflows, triggers, flows and another features of Salesforce CRM. I have good knowledge of apex and visual force, and can write clean code according to OOP standarts, that allow to process bulks of records . Also have some experience in C# and C++, Ruby, SQL, HTML5 and CSS3. Looking for unusual and interesting positions that allows me to show my best

$33.33 /hr
216 hours
5.00
Dmitry Z.

Dmitry Z.

DevOps, Expert Linux Administrator

Serbia - Last active: 2 days ago - Tests: 8 - Portfolio: 3

I am a 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 GitHub account: https://github.com/freeminder Linux distros: RHEL, CentOS, Ubuntu, Debian Virtualization hypervizors and containers: KVM, VMware ESXi, oVirt, OpenVZ, LXC, Docker, DEIS, Kubernetes Cloud platforms and API: AWS, DigitalOcean, Softlayer, Rackspace, Linode Monitoring: Zabbix, Nagios/Icinga, Munin, Cacti, Monit Load balancers: HAProxy, Nginx Web servers: Apache, Nginx App servers: Phusion Passenger DB: MySQL, Percona XtraDB Cluster, PostgreSQL, Redis, MongoDB Mail servers: Postfix, Exim, Sendmail, Dovecot, Courier Control panels: cPanel/WHM, Parallels Plesk/Power Panel Configuration management and deployment: Chef, Capistrano Continuous Integration: Jenkins SCM: Git Scripting: Bash, Ruby, Python Frameworks: Ruby on Rails BDD: RSpec, Capybara

$44.44 /hr
807 hours
5.00