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Regular Expressions Upwork freelancers typically receive a client rating of 4.80.

Last updated: October 1, 2015

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Alexander Monakhov

Java EE experienced software engineer

Ukraine - Tests: 3

I've worked on Java EE web application about 5 years. I developed web applications based on most popular enterprise frameworks like: Hibernate, Spring, Apache Struts, Apache Beehive, Apache Wicket - and well known technologies: EJB, Web services, JSF, Servlets/JSP, Portlets. I have a good experience in working with Google App Engine and several Google API libraries. Also I've got basic knowledge of PHP programming language and I used to work with Javascript, Dojo, Cometd frameworks. I've worked with MySQL and Oracle DB database servers. I've got good knowledge of SQL, software engineering, architecture development, automated testing, etc.

100% Job Success
$27.78 /hr
8,578 hours

Yuriy P.

Yuriy P.

Expert web-developer PHP (ZCE) / Python JavaScript / HTML / CSS

Russia - Tests: 9 - Portfolio: 7

Hi, I developed web applications for last 4 years using PHP, MySQL, xHTML, CSS, JS (native and with framework). I worked on absolutely new projects and maintained existed ones. I also have some experience in SQL, Ajax, OOP, JSON, XML and worked with different php frameworks (I prefer Kohana to build websites from the ground up).I'm seeking work to create awesome web applications. If you have some work for me - let's discuss collaboration.

Groups: Zend Certified Engineers

100% Job Success
$33.00 /hr
3,506 hours

Alexey Z.

Alexey Z.

Project Manager / Ruby On Rails

Israel - Tests: 6 - Portfolio: 10

I am currently freelancing RoR projects across the universe, fullstack rails coder for your duty. I have been doing this for the last 9 years now and I was employed as CTO & Ruby On Rails Senior developer, and my projects include wide usage RoR(1,2,3,4), I love new technologies and I can learn to use them very fast! I can develop anything starting from tech plan/mockup, through creating rails application (agile method) till full setup of VPS/dedicated server (or even cloud), then I can maintain and administrate this project. I work with cloud platforms like AWS, Heroku, EngineYard. I have ZERO unsatisfied clients. Knowledgeable in CI like Jenkins, and various management systems like Trello, Lighthouse, Jira, Redmine (You can have a tracking project with my private Redmine installation for no cost) and some others All small things around webdev; AJAX, HTML, CSS, JS, RSS, XML, JSON. SVN, GIT(preferred), Capistrano/Chef/Rubber for multistage deployment for test/production projects, SASS, SCSS, HAML, CoffeScript, REDIS, various types of caching. Capable to work in Linux/OSX/Windows environments.

Groups: Application Developers Alliance, Engine Yard Ruby on Rails Professionals Network

95% Job Success
$55.00 /hr
3,533 hours

Matias O.

Matias O. Agency Contractor

Java and PHP developer (more than 10 years of experience)

Argentina - Tests: 8 - Portfolio: 1

Over the last 10 years, I have developed a wide range of desktop and web applications using PHP, Java, C#, Flex, Air, HTML, Javascript, SQL Server, SQLite and MySQL. I also have experience in the following areas: TDD, SQL, Ajax, OOP, and software design and testing. I'm always trying to improve my skills and to expand my knowledge.

Associated with: PampaDevelopers Agency

100% Job Success
$30.00 /hr
7,085 hours

Anatoliy V.

Anatoliy V. Agency Contractor

Full Stack Web Developer

Ukraine - Tests: 7 - Portfolio: 7

I have consistent experience of 6+ years in Web Development. And overall experience with Internet and PC more than 20 years. My first site I've created 15 years ago. I have following knowledges & experience: Front End development: • Pure HTML & CSS responsive design coding (using media queries, etc.) • Coding responsive HTML layouts using frameworks Zubr Foundation and Twitter Bootstrap • Using popular components: sliders, carousels, etc. Possible to make modification in design and in workflow. • Pure JavaScript coding (Vanilla JS), and coding using jQuery, jQuery UI. • Coding jQuery plugins (multi-instance and accessible by element after init) • RegEx, Ajax, JSON, XML. Back End development: • PHP coding • Wordpress: plugins, templates, experience with coding themes for Theme Forest • MySql, PostgreSQL, Sqlite databases • HTTP protocol - requests, responses, headers, codes, mimes • Laravel Framework, Kohana Framework, Codeigniter Framework • Prestashop, Joomla (templates), Magenta (templates) • Experience with custom hand-made CMSs • Developing RESTful Web Services API (XML, JSON) • Composer and Packagist for project package dependencies • Experience with popular social networks API (Google, Youtube, Twitter, Facebook, Vimeo, Instagram, Vine) • Knowledges in different payment system APIs (Paypal, Stripe, Fastspring, Webmoney, Yandex Money, LiqPay) Additionally I have experience in following: • Linux based OS server administration • Apache, Nginx, SFTP, PHP-FPM secure virtual hosts server configuration • Photoshop - experienced user • Android Java applications development (some basic knowledges, several app developed, just to enlarge my scope, not my main area) • Delphi development for Windows (some experience, but was long ago, not my main area)

Groups: Coding Champs

Associated with: AZELAB

100% Job Success
$33.33 /hr
2,628 hours

Anton Sivolapov

Anton Sivolapov Agency Contractor

Javascript/PHP developer with 5 years experience

Russia - Tests: 8 - Portfolio: 6

Main skills: - Javascript - PHP4,5 - Haskell - Chrome Extension - Firefox Extension - Chrome App Over 5 years i have developed websites using PHP, HTML, CSS, Javascript, Ajax. I have developed many projects like personal pages, startups, proprietary library for Javascript. Also i have some expirience in SQL, Perl, administration Apache and Nginx servers (Windows and Unix systems). Personality: hardworking, fast learner

Groups: Crossrider

Associated with: makeItWork

90% Job Success
$33.33 /hr
2,877 hours

Andrii Andriichuk

Andrii Andriichuk Agency Contractor

Software Engineer (.NET; WEB; SOA; WCF; SQL Server; Delphi)

Ukraine - Tests: 4 - Portfolio: 14

I am a professional software developer. I work in this field for more than ten years. During my career I developed a set of desktop and web applications. At the moment I completed a major project and for that reason I am looking for work new project. I will be glad to start to work with you. I am able design and implement such things as architecture, security, data access layer, db structure, bussiness layer, caching and much more. Also I have good experience in SOA. WCF SOAP an d WCF REST I can work with both without any problems. Please contact me if you need any help of experienced programmer.

Groups: Central Desktop, Twilio

Associated with: DYNAMIC DEVS

100% Job Success
$50.00 /hr
4,829 hours

Boris D.

Boris D.

Experienced PHP/OOP architect + HTML/CSS builder

Ukraine - Tests: 6 - Portfolio: 2

Much experienced in (over 5 years of using): Technologies: PHP (OOP & MVC), MySQL, JavaScript Markup: HTML4, CSS2/3 JS framework: jQuery PHP frameworks: Zend Framework, Codeigniter CMS: WordPress, MODx ("plugin developer" level) Test framework: PHPUnit Version Control System: Subversion Less experienced in: Markup: HTML5 JS framework: mooTools HTML/CSS frameworks: Smarty, SCSS/SASS CMS: Joomla (also, "plugin developer" level but I hate this monstrous CMS) ORM: Doctrine Test frameworks: Selenium, dbUnit (as an extension of PHPUnit) Version Control System: Git, CVS

100% Job Success
$22.22 /hr
1,049 hours

Mamunur H.

Mamunur H.

Zend Certified PHP fronend/backend developer, WP, Angular JS

Bangladesh - Tests: 8 - Portfolio: 15

Specialized in developing new and improving existing applications using the latest technologies, both in front end and back end since 2008. Satisfying client's needs is the main objective and I am doing that in cost-effective way. Available almost 18/7 for customer needs. Qualifications: PHP, Angularjs, ExtJS, JQuery, OOP, Yii, Laravel, Symfony, Zend Framework, Magento, Drupa, WP, MySQL/MSSQL Strong Knowledge of OOP(Object Oriented Programming) Strong knowledge in PHP, MySQL, HTML5, CSS3 Frameworks - Codeigniter, Yii, Zend Framework2, Symfony2, Laravel, Phalcon Ecommerce - Magento, Prestashop CSS Frameworks - 960 Grid System, Twitter Bootstrap, Jquery Mobile, YUI Pure Javascript Ajax Js Framework - Jquery, MooTools, AngularJS CMS - Joomla, Wordpress Ecommerce - Magento, Presta, opencart, OS Commerce Payment Gateway Security Management skill for web services and portals LAMP Development Linux administration/ Server setup/ Shell Scripting/ Server Security/ Cron Jobs Red5 Server Install and configure.

Groups: Crossrider

68% Job Success
$8.89 /hr
4,301 hours