Ruby Ukraine Freelancers

Showing 715 freelancers

Ruby Ukraine Freelancers

Showing 715 freelancers

  • Mobile Developer

    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 … more

    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.  less

    java git html css sql sqlite gps-development android-app-development 00 more less
    • $33.33 HOURLY RATE
    • 4.9
    • 1075 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 6 PORTFOLIO ITEMS
    • 1 TEST
    GROUPS:
  • Linux system administrator, DevOps consultant, Nagios Icinga expert

    High-skilled self-motivated professional with over 7 years of experience in Linux/Unix administration. Strong skills in hosting services including design of networks, servers and services. I have done several projects for designing of infrastructure from ground zero to ready systems … more

    High-skilled self-motivated professional with over 7 years of experience in Linux/Unix administration. Strong skills in hosting services including design of networks, servers and services. I have done several projects for designing of infrastructure from ground zero to ready systems including development area for Web Development companies with staging/pre-production environments. Positive experience in design and implementation solutions for High-Load web projects. - Linux system administration (Debian/Ubuntu and CentOS/RHEL) - PHP and Ruby/Rails software development background, - involved into JAVA projects as build and configuration manager - deployment with Ant, Hudson/Jenkins, Rake/Capistrano - pro-active monitoring with Icinga 2 and Nagios 4 - scheduled backups and disaster recovery verifications - apply DevOps methodology for better cooperation with developers.  less

    unix-shell linux-system-administration tcp-ip centos ubuntu postfix sendmail apache-administration nginx mysql ruby php python virtualization jenkins capistrano nagios bash 00 more less
    • $28.00 HOURLY RATE
    • 5.0
    • 8 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 5 PORTFOLIO ITEMS
    • 8 TESTS
  • Linux Administrator, AWS, Nginx, Ubuntu, CentOS, EC2, Plesk, HAProxy

    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 … more

    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  less

    amazon-ec2 lamp-administration linux-system-administration network-administration rackspace-cloudservers plesk cpanel nagios tcp-ip cisco-routers wordpress amazon-web-services computer-networking bgp juniper-routers dsl-troubleshooting network-security vpn openvpn dns bash mikrotik-routerboard mikrotik-routeros 00 more less
    • $45.00 HOURLY RATE
    • 4.9
    • 2600 HOURS
    • CROATIA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 8 TESTS
    GROUPS:
  • Software Engineer

    At the moment, I work mostly with a Ruby on Rails stack: both frontend and backend. I have a deep understanding of how the whole ecosystem works together, so I can deliver not only the application, but also a whole … more

    At the moment, I work mostly with a Ruby on Rails stack: both frontend and backend. I have a deep understanding of how the whole ecosystem works together, so I can deliver not only the application, but also a whole infrastructure for it: starting from a fresh server, configuring the environment, deploying the application and configuring continuous integration. I can also join the projects that are already in production and maintain or improve the existing codebase. Previously, I was also doing a lot of frontend stuff using HTML, CSS, JavaScript and jQuery. A bit later I was working with more complex frontends using JavaScript frameworks like Angular.js and React. I also know node.js well, but I don’t have as much experience with it as I have with Rails. But still I can easily create apps using these technologies and setup both development (with building tools like Gulp/Grunt, preprocessors like SASS/LESS, uglifiers and code checkers) and production environments. Before frontend I was working mainly with WordPress and PHP world (Yii, Symfony, Drupal, modx, etc). When I’m not working for someone else I’m learning, polishing or practicing stuff like internet protocols, compilers and low level stuff, data structures and algorithms, distributed systems and parallel programming. Right now I’m finishing to learn Scala and Haskell. My next goal is data science (machine learning, deep learning and data mining), so I’m boosting my math skills in my free time.  less

    javascript ruby-on-rails node.js angularjs rest unix-system-administration wordpress php mysql css 00 more less
    • $50.00 HOURLY RATE
    • 5.0
    • 443 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 4 PORTFOLIO ITEMS
    • 12 TESTS
    GROUPS:
  • Senior RoR developer.

    I have been developing a lot of projects using the MVC pattern for more than 6 years. I began with development on CakePHP (~1 year), then I developed on Symfony (for 3 years). Also I have strong experience in using … more

    I have been developing a lot of projects using the MVC pattern for more than 6 years. I began with development on CakePHP (~1 year), then I developed on Symfony (for 3 years). Also I have strong experience in using Bitrix, Drupal, Joomla and Laravel. In addition I have been studying such programming languages as Ruby and Python for a couple of years. I have knowledge about Django, Flask and Pyramid on Python, and Sinatra and RoR on Ruby. I think Ruby is the most agile language and RoR is the most convenient web-development framework. So I decided to change my profile to work with RoR. Also I have deep knowledge in the related areas, such as HTML, js, jQuery, AngularJS, and in such relational databases: MySQL, PG, SQLite. I have a lot of experience in testing and deployment of applications, software setup, monitoring of servers and services.  less

    ruby-on-rails symfony linux-system-administration apache-administration nginx mysql php python postgresql 00 more less
    • $27.78 HOURLY RATE
    • 5.0
    • 465 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 8 TESTS
  • RockStar iOS8/iPhone/iPad/Android/Parse.com/Back-end Develper

    ★★★★★ Client's Satisfaction ★★★★★ ★★★★★ High Quality ★★★★★ ★★★★★ Exact Deadline ★★★★★ Thanks for your visiting my profile. I am looking for a long-term relationship. I am a passionate person and immerse myself in whatever project. I have 7+ years of experience in iOS and … more

    ★★★★★ Client's Satisfaction ★★★★★ ★★★★★ High Quality ★★★★★ ★★★★★ Exact Deadline ★★★★★ Thanks for your visiting my profile. I am looking for a long-term relationship. I am a passionate person and immerse myself in whatever project. I have 7+ years of experience in iOS and Android Programming since 2008. I have been working as a mobile developer since I graduated university. When I started to work on freelancer, I thought mobile platform would be great in the near future, so I studied it and made many apps until now. Although android and ios version and device are getting different every year, I'm the person who is eager to learn new tech so learnt new industry technology as soon as it was born. Don't worry if there is new version like ios9 tomorrow, I'm ready to upgrade app from ios8 to ios9. My areas of specialization - iOS/Apple Mobile Application Development.(XCode, Objective-C, Swift) - Android/Google Mobile Application Development. (Eclipse, Android Studio, Java, Android) - PhoneGap/Cordova(jQueryMobile, SenchTouch, Ionic) - RESTful API and Web Application Development (PHP/MySql, Ruby on Rails, NodeJS) - Testing and Source Management with Git, Bitbucket, TestFlight, GIRA, agile My experiences: - Social Networking Integration(Facebook, Twitter, LinkedIn, Google+, Instagram, Youtube, VK) - Photo sharing with Parse.com - Realtime chat with Firebase and XMPP - Video and audio chat with QuickBlox and OpenTok. - Video and audio Live Streaming with VLC and FFMPEG - Camera Controlling by WIFI - Photo Editing(Color, Contrast, Brightness, Crop, Merge) - Calling by VoIP - Phone Verification - SMS Scheduling - Find Location by Geolocation. - GPS Tracking - Marketing by Geo-fence - Searching and discovering place by Foursquare - Uploading and downloading file to GoogleDriver - Video and Audio Player - File Synchronizing on Cloud Storage - Offline Data management by CoreData and Sqlite - RSS Feed Reader - Encryption and Decryption data by Encryption Algorithm - Barcode/QRCode recognition and generation - Speech Recognition: NDEV, Google Speech Recognition - Google Translate, Google TTS, ReadSpeaker's TTS - Bluetooth LowEnergy(BLE), iBeacon, NFC - In-App Purchase and In-App Billing, Paypal and credit card Integration, Stripe - Push and Local Notification, Google Analytics - Google Maps, Foursquare, Geolocation, GPS, Geofencing, Open Street Maps  less

    swift ios-development iphone-app-development objective-c android-app-development java bluetooth payment-gateway-integration amazon-web-services ruby-on-rails 00 more less
    • $55.56 HOURLY RATE
    • 5.0
    • 74 HOURS
    • MALAYSIA
    • LAST ACTIVE
    • 6 PORTFOLIO ITEMS
    • 23 TESTS
  • Ruby On Rails Developer

    Over the last 4 years, I have developed web applications using RoR with wide range stack of technologies, e.g. HTML (haml, slim), CSS (sass, scss, twitter bootstrap), JS (coffee, jquery, jquery-ui, backbone, spinejs), with different storage (PostgreSQL, MySQL, MongoDB … more

    Over the last 4 years, I have developed web applications using RoR with wide range stack of technologies, e.g. HTML (haml, slim), CSS (sass, scss, twitter bootstrap), JS (coffee, jquery, jquery-ui, backbone, spinejs), with different storage (PostgreSQL, MySQL, MongoDB, Riak). Also use of wide range of related technologies for optimizations, e.g. background jobs (DelayedJob, Sidekiq), caching ans search engines (Shpinx, ElasticSearch). Good know testing methodology and can write tests with RSpec and Cucumber. Have more than 10 years of Delphi experience.  less

    ruby-on-rails haml sass twitter-bootstrap coffeescript html css javascript delphi 00 more less
    • $16.67 HOURLY RATE
    • 5.0
    • 18 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 1 TEST
  • Senior Android,High Skilled iPhone Dev,ASP.NET,C#, JQuery,PHP,MYSQL

    I am very passionate and experienced Mobile and Web developer. Over last 5+ years we have gained expertise in .NET Technologies, Android, iOS Mobile application development. We have developed many applications on Android, iPhone/iPad and WP7 platform which makes … more

    I am very passionate and experienced Mobile and Web developer. Over last 5+ years we have gained expertise in .NET Technologies, Android, iOS Mobile application development. We have developed many applications on Android, iPhone/iPad and WP7 platform which makes our portfolio rich with mobile platform. I am searching for the best opportunity to grow myself and my company. - I will keep the following rules: 1) Fast, High quality and in-time delivery 2) Updates of work at specific interval 3) Voice/Chat for 2+ hours every day in fluent English 4) Android Market/App Store submission 5) Responsive after service for 1 month My expertise lies in mobile app development with - Backend, Web service (SOAP/REST), Telephony, RSS - Video, Camera, Image processing, Video/Audio Streaming, Decoding/Encoding - PHP, MySQL, HTML/HTML5.0, JSON, AJAX, XML - Facebook, Twitter, Youtube - Googe Map, Geo/Reverse-Geo, GPS - Graphic Design, Animation - Push and local notification - Calendar, Alarm, Countdown - Advertise : iAd, Adwirl, Revmob, Chartboost, Flurry, Tapjoy, - Testflight, Github, SVN - Documentation, Debugging, Testing on real devices My Technical Skills :: ASP.net iPhone Android Windows Mobile wcf/asmx Webservice C#.net Sql Server MySql Xml Json OOP AJAX HTML CSS Javascript JQuery We have done 100+ apps in Android and 60+ apps in iphone. Worked on lots of maintenance projects and from scratch projects. Converted iphone projects to android and vice-versa. In my team, i have a designer who has 5 years of experience in logo, 3D modeling and tablet box designing. We believe in quality with fast work. Thanks.  less

    android-app-development iphone-app-development sql .net-framework windows-phone-7-development api-development payment-gateway-integration asp.net c# adobe-photoshop wpf html facebook-api adobe-illustrator microsoft-silverlight rest soap tortoise-svn graphic-design php mysql 00 more less
    • $20.00 HOURLY RATE
    • 4.8
    • 595 HOURS
    • INDIA
    • LAST ACTIVE
    • 34 PORTFOLIO ITEMS
    • 13 TESTS
    ASSOCIATED WITH:
  • Senior Software Engineer - RoR, Java, Flex, Flash, Air ...

    I am developer with more than 8 years of experience. My work started with ActionScript 3/ Flex3, than continued with Flex (4, and now 4.8). Also I have experience to develop backends based on RoR, LAMP stack and java … more

    I am developer with more than 8 years of experience. My work started with ActionScript 3/ Flex3, than continued with Flex (4, and now 4.8). Also I have experience to develop backends based on RoR, LAMP stack and java. My favorite framework for MVC is Robotlegs, also I know Cairngorm, PureMVC, Mate. I’ve developed a lot of different Flash/Flex/Air/PHP applications, and I have created architecture for few of them working as a freelancer. I have strong experience in Action script 2/3, Flash animation, Flex 3, Flex 4, Flex 4.x, experience using RTMP, AMF, JSON, SOCKETS, Dynamic Flash Content, Creating custom UI components, Skinning flex applications., using 3d frameworks Away3d, Alternativa3D, Papervision3d; experience in creating backend with Java/Hibernate/BlazeDS + MySQL, PHP/Zend/Amf. I am always searching for an opportunity to expand experience, learn something new and work on challenging and interesting projects. I do not fear any difficulties, can work under time pressure and strive for superb quality of everything I do (this means scalability, code quality and cleanness, strict adherence to standards etc.).  less

    ruby ruby-on-rails rspec html5 css3 jquery ajax adobe-flex adobe-air java 00 more less
    • $33.33 HOURLY RATE
    • 4.5
    • 1616 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 14 PORTFOLIO ITEMS
    • 8 TESTS
    ASSOCIATED WITH:
  • Engineer (Rails, React, Marionette, Web Components)

    Hey, there! My latest work has design & developer award on awwwards.com I have a HUGE experience in frontend development. __ ABOUT ME I am a creative frontend developer. I like awesome projects! Our latest projects are highly rated on … more

    Hey, there! My latest work has design & developer award on awwwards.com I have a HUGE experience in frontend development. __ ABOUT ME I am a creative frontend developer. I like awesome projects! Our latest projects are highly rated on awwwards.com Over last 4 years, I have been aiming at providing good services to clients. I am a JavaScript expert and worked on 100+ medium & large level applications. Contact me if you think you have a proper frontend and backend development requirement. I have a team with me as well. __ FRONTEND Frameworks: Backbone / Marionette / Fluxxor /Flux + React. Tasks runners: Google Starter Kit / Yeoman / Grunt / Gulp / Webpack. Preprocessors: SASS / LESS / Stylus / Coffee. Loaders: Browserify / RequireJS. HTML & SASS Frameworks: Susy / Bourbon / Neat / Compass / Bootstrap. Components: Polymer / Web Components / React / Bower. Package Manager: Bower. Methodology: BEM / SMACSS. Testing: Chai / Jasmine. __ BACKEND Framework: Ruby on Rails, RoR. Databases: MySQL, MongoDB, PostgreSQL. API: Google, Youtube, Facebook, Twitter, Instagram, Vimeo, Parse. Web Services: Google Cloud, AWS, Digital Ocean, Heroku, Rackspace. __ TOOLS OS: Macbook Pro OS X, iPhone 6 iOS. SVN: Bitbucket, Github. Project Management: JIRA / Trello / Slack. __ CONTACT ME I am open to interesting and fun consulting gigs, short-term contracts, workshops and any exciting projects working with nice people.  less

    ruby ruby-on-rails backbone-js html5 jquery javascript django-framework python php css3 00 more less
    • $45.00 HOURLY RATE
    • 4.9
    • 1549 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 26 PORTFOLIO ITEMS
    • 14 TESTS
    GROUPS:
    ASSOCIATED WITH:
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