Top Upwork Freelancers

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  1. Gennadiy Karpunov

    Gennadiy Karpunov

    Programmer / Developer

    Ukraine - Last active: 08/30/2013 - Tests: 6 - Portfolio: 9

    Over the last 3 years, I have developed a wide range of application using Java, GWT, Sencha Touch, Flash AS3 and Flex technologies. I was a team member in Java projects and lead in Sencha Touch project. I've done many projects using ActionScript 3 and Flex, and complex 3D project using Flash Molehill and AlternativaPlatform.

    $25.00 /hr
    5,573 hours
    5.00
  2. Andrew O.

    Andrew O.

    Team Leader / Architect / Software Engineer

    Russia - Last active: 3 months ago - Tests: 6 - Portfolio: 8

    Have ten-year experience as software engineer. Have a strong knowledge and solid understanding of relational database design, SQL, C#, ASP/ASP.NET and XML/XSLT. Also do a many others software development tools and languages when the opportunity arises. I consider myself a composed person, sociable with friends and colleagues. Have good analytical and organizational skills, have excellent learning ability.

    $30.00 /hr
    9,593 hours
    4.50
  3. Garik K.

    Garik K.

    ISTQB certified Senior QE, 14 years exp., Java, Selenium, Automation

    Czech Republic - Last active: 2 months ago - Tests: 10 - Portfolio: 1

    Having around 14 years of experience in IT (as Developer and QE) I have been working (as permanent & freelance) for various big companies, leading and/or developing test frameworks for the API, webUI projects mainly focusing on automation in Java, Python, PHP, Shell scripting. Various IDEs and automation frameworks were chosen like: Eclipse, Vim containing Junit3, Junit4, TestNG, Selenium {1.x; 2.X,}, Nose tools for developing the framework around them. WebUI tests were running under win/linux platforms for IE, Firefox, Google Chrome, Opera, Safari. The place to track the defects were/are: Mantis, Bugzilla, Jira I am familiar (and using in my daily routines the CLI of them) with CVS, SVN, Git source control systems. My growing knowledge in Linux scripting and administration gives me chances to develop and use helpful utilities (installers/etc) in the shell as well. The DBs I workedwith: foxpro, mySQL, Postgres, MongoDB, Oracle Recently the idea of Continuous Integration (CI) Testing becomes vital for companies for their testing: I used to work with Jenkins (aka: Hudson) with its tons of plugins and fund it really exciting. All my recent project I'm constantly using under Jenkins now :) OS-s: Win (old platforms), Windows 7, RHEL {4,5,6}, Fedora {10-15}, CentOS {5,6}, Ubuntu, Amazon Linux Recently: got ISTQB certification.

    $28.90 /hr
    4,349 hours
    5.00
  4. Ryhor Supruniuk

    Ryhor Supruniuk

    Software and Mobile Developer

    Belarus - Last active: 6 months ago - Tests: 1

    Highly motivated developer with broad understanding of software development workflow. Have broad experience in different areas begining from mobile apps and ending by business solutions for different platforms. Also I've experience development trading algorithms that were profitable. Programmed and modified trading systems for the different trading platforms with API & FIX protocols. Created both automated and semi-automated trading systems, custom indicators, and risk management tools. Platforms: iOS, Windows, OS X, Linux, FreeBSD Languages: Objective-C, C#, Ruby on Rails, Python, SQL, Java, Easy Language, Metatrader, WealthLab, Delphi Tools: Xcode, Intellij Idea, Pycharm, Visual Studio, Embarcadero, Visio, Multicharts, Wealth-Lab, Tradestation, Metatrader iOS: CoreData, CoreLocation, Foundation, MapKit, UIKit, AFNetworking, MKStoreKit, Socia, CorePlot, CocoaPods, Multithreading, Networking,RestKit, etc.

    $13.94 /hr
    33 hours
    5.00
  5. Vadim S.

    Vadim S.

    Experienced Web Developer, skilled at PHP/MySQL/JavaScript/HTML/CSS

    Ukraine - Last active: 10/21/2013 - Tests: 14 - Portfolio: 6

    See http://www.skorba.pp.ua/en/ for more details OS, software, environment: Excellent knowledge of Windows and Unix systems at the administrator level. Knowledge and experience in setting up and implementation of application software. Main working bunch — LAMP. Expertise in configuration, support, optimization of web servers and associated environments, using memcached, nginx, HAProxy, Varnish, scribe. Development Experience: 9-year experience of web development in PHP (Java, Python), profound understanding of OOP and MVC model using PHP-frameworks (ZendFramework, CodeIgniter, Symfony, CakePHP, Yii) for its implementation. Experience in designing high-loaded systems, their object model and database structure, using ER and UML-diagrams, documentation and the subsequent successful implementation, upgrade and support. Technologies: Proficient in W3C valid XHTML layout (and solving problems of incorrect display in different browsers), CSS, JavaScript, using various frameworks (JQuery, ExtJs, YUI, MooTools) to implement a dynamic user-friendly interface. Understanding and applying AJAX-technologies, SOAP/REST data exchange between web services, implementation of web services. Instruments: Use — Doctrine, Propel as ORM, as well as the Sphinx for the implementation of relevant and rapid search. Experience in applying for the template - XSLT, Smarty, in-line PHP, LESS. Using Mantis, dotProject, Trello, Trac, Jira, Basecamp, Assembla, Unffudle as a bugtracker for the project management and monitoring tasks. Version control — Mercurial, Git, CVS, SVN. IDE — Eclipse, NetBeans, ZendStudio. Apache, nginx, lighttpd as a web servers, MySQL, MSSQL, PgSQL, MongoDB, memcache, redis - as data storage and cache. Used flexible Agile principles (Scrum, Kanban) for team development and management.

    $55.56 /hr
    673 hours
    5.00
  6. Roman S.

    Roman S.

    Java/Android Software Engineer

    Ukraine - Last active: 07/01/2014 - Tests: 3

    Over the last 5 years I've developed a wide range of Android apps. Currently participates in the development of applications for the Android and BlackBerry mobile platforms. Successfully participated in the design and development of many small-sized, medium and large projects. Apart from development, was also responsible for project management, in particular these were healthcare, entertainment, and educational development projects.

    $20.00 /hr
    170 hours
    5.00
  7. Simon Lang

    Simon Lang

    Software Engineer / Web Application Developer. PHP, MySQL, JavaScript

    United Kingdom - Last active: 02/13/2012 - Tests: 3 - Portfolio: 1

    I am a 24 year old web application developer from Brisbane, Australia - although I'm currently based in Edinburgh, Scotland. I have a Software Engineering degree, and about 10 years of industry experience. (5 in programming and web, 5 in general I.T. support) If you're reading this, hopefully you're interested in giving me some work. I really love my job - making web applications is *fun*. I'm always keen to work with talented, passionate and like minded people, so please get in touch if you think we'd work well together. Ideally I would love to be working on challenging projects that are founded on a Zend Framework back-end and a rich Javascript front-end interface. I am also starting to experiment with developing my first Chrome Extensions, Android Apps, and Google Marketplace Apps. I'm a bit of a Google Fanboy and love working with their APIs. http://www.simonlang.org/

    $66.67 /hr
    552 hours
    5.00
  8. Diwas Pathak

    Diwas Pathak

    Experienced Java Developer

    Nepal - Last active: 5 months ago - Tests: 2 - Portfolio: 4

    I've been in the web/mobile development field for more than 6 years. When I started developing JavaEE applications for a local company. I've worked on a variety of applications using numerous frameworks like struts, spring MVC, hibernate,JSF,etc. Most of my web application has been developed using MVC design pattern. I am able to not only build applications from the ground up but also to add functionalities to existing application, open source and commercial applications. As an experienced Developer i give special attention in the security and understand risk involved in web application. Apart from being a web developer I am also a experience with databases like MsSql, MySql,CTree,etc. Besides this I use to teach Java courses to professional working in other companies and Engineering students.

    $12.22 /hr
    131 hours
    4.77
  9. Bhupinder S.

    Bhupinder S.

    Good Android application developer

    India - Last active: 4 months ago - Tests: 2 - Portfolio: 5

    I have 2 year experience as an android application developer in an organization. I can utilize my skills to achieve the goals of any organization.I have skills to handle the challenging projects and provide the quality work. I have strong knowledge of JAVA, JAVA SCRIPT, C, C++,Objective c programming languages.I also have experience with IPHONE application development and managing database using MYSQL and SQLITE.

    $7.78 /hr
    10 hours
    5.00
  10. Vladimir Y.

    Vladimir Y.

    .NET (C#) / ETL (SSIS) Developer

    Kazakhstan - Last active: 4 months ago - Tests: 2 - Portfolio: 1

    Over the last 5 years, I have gained strong background in consumer and investment banking domains serving business analyst roles at major international banks such as Societe Generale, Deutsche Bank, Citi. Software platforms developed with my contribution cover Straight Through Processing, Acquisition & Scoring, Debt Collection and some other minor domains. During last 2 years I did my best in order to switch my core activities from Analyses to Software Development using Microsoft technology stack - .NET (C#), SQL Server, SQL(TSQL), SSIS, SSRS. Currently I decided to apply my software engineering skills to more wide range of opportunities could be discovered via oDesk while staying in full-time role at one of leading CEEMEA consumer finance bank. I also have some experience in the following areas: Ajax, Java, Python

    $16.67 /hr
    18 hours
    5.00