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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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Rahul Gamit

Rahul Gamit

PHP, Codeigniter, Python, Scrapy, Django, Data Scraping

India - Tests: 2 - Portfolio: 12

Over the last 5 years, I have developed a wide range of websites using Codeigniter, HTML, , PHP, and MySQL including sites for startup companies and small businesses. My core competency lies in complete end-end management of a new website development project, and I am seeking opportunities to build websites from the ground up for you or your business. I also have some experience in the following areas: -- Web Scraping -- jQuery -- Ajax -- JavaScript -- Python-Django -- PSD to HTML Conversion -- CSS3, Twitter Bootstrap, HTML5 -- Laravel

$15.00 /hr
9 hours

Aleksey G.

Aleksey G. Agency Contractor

Desktop Applications (C++, MFC, QT, C#, .Net), Web (Php, Asp.Net), SQL

Belarus - Tests: 6 - Portfolio: 2

Desktop application: • C++ developer. MSVC 5.0 - 2015. • WinApi, MFC, Styngray Studio • COM/DCOM componets • Crossplatform applications (QT library) • C#, WinForms, .Net • NSIS installer • Service programming Database: • T-SQL, • Sybase, • MS Sql Server, • Oracle Web Development: • Knowledge of CMS WordPress, HTML, CSS, PHP, JavaScript, MySQL, query; • Front-End Development with CSS and HTML

Associated with: Ylon

97% Job Success
$27.78 /hr
379 hours

Mary grace L.

Mary grace L.

Mozenda Expert, ASP .NET programmer with java experience

Philippines - Tests: 2 - Portfolio: 3

I have 2 solid years of experience working full time for a U.S based company. I have handled several freelance projects outside of odesk. I am seeking programming challenges that will expand my knowledge in different coding fields. I also handle regular creation of mozenda agents which makes me an expert in handling web scraping projects using this tool.

Groups: Microsoft Certified Professionals

$20.00 /hr
53 hours

Gabriel Dodan

Gabriel Dodan

Experienced Web Apps Engineer:Node.JS/PHP/JavaScript/Highstocks

Romania - Tests: 7 - Portfolio: 9

Web Applications Engineer ( both back-end and front-end ) with 10+ years of experience. Extensive experience with: Node.JS, JavaScript, PHP, Adobe Flex, HTML, CSS, MySql, PostgreSQL, Redis, Express.js, Sails.js, Passport.js, jQuery, Require.js, Bootstrap, Highcharts, Highstocks, AJAX, Comet,, PayPal, WordPress, CodeIgniter, GIT, Photoshop As Web Applications Engineer I have built a wide range of web applications: financial web applications, real-time web application, collaborative applications, PHP Framework, tickets web application, e-commerce websites, simple websites, WordPress websites, WordPress plug-ins, video streaming My objective is to provide high quality Web Development services at affordable price. Almost always I create good business relationships with the people I work with. Personal characteristics: confident, proactive, creative, analytic thinking, dexterity to learn new technologies, I like to work on challenging and complex projects.

68% Job Success
$34.00 /hr
275 hours

Aaron Porter

Aaron Porter

Senior Web Developer

United States

Due to existing long term contracts I am currently seeking only small jobs that can be completed in under 15 hours. I have been programming professionally since 1990, focusing primarily on Java web development since 1996. You may find references to me and some of my projects in the book "Stripes ...and Java Web Development is Fun Again". I enjoy competing and recently won approximately $2,000 worth of prizes in a Twilio developer contest. Specialties include: Java, Stripes, Twilio, JPA, Hibernate, Amazon EC2, Google App Engine, SQL, jQuery, HTML, JavaScript, CSS, Data Mining

Groups: Twilio

$133.33 /hr
8 hours

Caitlin P.

Caitlin P.


Canada - Tests: 3

Over the last few years, I've gained experience working with languages and technologies such as Node.js + MongoDB/Mongoose, SQL, Ruby, C/C++, Objective C, Perl, Python, as well as Haskell and Rust. I have experience and interest in working on both desktop and mobile/embedded platforms, in a variety of capacities, including release engineering, automated testing / test coverage analysis, as well as low-level programming, data storage/retrieval, networking, user experience and user interface, among others. I'm seeking opportunities and will gladly help implement and integrate your solution neatly and in a timely fashion.

$17.50 /hr
10 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
3,487 hours

Roman V.

Roman V.

Web developer

Russia - Tests: 12 - Portfolio: 12

Lately my work is about integrating Bitcoin-related functionality in websites or developing special purpose apps, like a bitcoin trading bot or a websocket chat. It involved various technologies: node.js, websockets, Ruby, Sinatra framework, API, PayPal API. During the years of my work prior to this I've performed a big variety of tasks in developing and reworking websites. This involved a lot of programming with PHP+MySQL, layout works with HTML+CSS, Javascript (with and without jQuery), AJAX. I had experience working with various CMSs: OpenCart, Joomla!, Wordpress, MODx Revolution, DataLife Engine, SimplaCMS, self-written websites. Also with different frameworks: MODx, Yii, also self-written MVC structures. I also use regular expressions (RegExp) fluently and have quite some experience with that. I've integrated a number of payment systems in several websites, which included PayPal, Bitcoin (native and via API) and russian WebMoney, Yandex.Money, QIWI, Robokassa. All payment processors utilize mainly same principles, so it's no problem to learn and integrate something new quickly. My work included creation of web grabbers and parsers that process information from external websites, for example to fill up an online store database. Also setting up and administrating Linux/FreeBSD VPS servers: installation and configuration of Apache, PHP, MySQL, Python and some other uncommon software. Aside from pure web, I've developed Python and Ruby scripts for various services. A part of that was developing Bitcoin-related services, including API communication with bitcoind daemon, automated receiving/sending Bitcoin payments, trading on BTC exchanges via their API, and other stuff. I'm looking for interesting work opportunities that would let me develop my skills and acquire new ones. Cryptocurrencies are especially interesting to me, but if it's not the case, no problem. Most likely I can be useful to solve your programming issues, so feel free to contact me.

100% Job Success
$40.00 /hr
475 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
7,052 hours