Top Upwork Freelancers

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  1. Aleksey S.

    Aleksey S.

    Software Engineer

    Russia - Last active: 1 day ago - Tests: 10 - Portfolio: 3

    Over the last 5 years, I was involved in development of a wide range of software using Adobe Flex/AIR, Microsoft .Net, С++. My core competency lies in front-end web development via Adobe Flex and desktop application development via Adobe AIR, Microsoft .Net and C++. I have Master of Science in Applied Mathematics degree. I am am seeking opportunities to use my knowledge in real-world applications.

    $55.56 /hr
    3,903 hours
    4.94
  2. Dimitris Manikis

    Dimitris Manikis

    Software Architect

    Greece - Last active: 10 hours ago - Tests: 1

    Software architect and solutions architect experienced in Enterprise Architecture, SOA, Telecoms, Machine Learning, Information Retrieval, Data Mining with focus to solutions based on open standards and open source software. Software Development experience since 1994. Last 10+ years working mainly with Java based technologies. Quick learner, self motivated, passionate about learning new technologies, have worked in a couple of start-ups from the ground up and in various areas of an enterprise such as architecture, software development, R&D, business development and project management.

    $55.56 /hr
    3,864 hours
    5.00
  3. Igor P.

    Igor P.

    C# developer

    Russia - Last active: 10 hours ago - Tests: 10

    Over the last 7 years I have developed several big projects including ASP.NET MVC+MSSQL websites, WinForms applications. My core competency lies in creating reliable scalable architecture, designing databases, developing complex data and graphics processing algorithms including complex stored procedures. Also I have a lot of experience in developing single page applications (backbone, knockout), managing development team and interacting with customers. Also I have some experience in OpenGL, Unity3D, WPF and always ready to expand my horizons.

    $22.22 /hr
    1,265 hours
    5.00
  4. Silviu P.

    Silviu P.

    Mobile Game Developer / CGI Studio

    Romania - Last active: 9 days ago - Tests: 2 - Portfolio: 6

    Our team mainly consists of ex UBISOFT employees with a vast experience in the gaming market, working on various platforms like Mobile, PC or XBOX. Working on mobile since the launch of the first iPhone over 7 years ago, our team has developed software and CGI projects both for small companies and larger clients. Contact us and and let's start a conversation about your projects.

    $23.00 /hr
    188 hours
    5.00
  5. Hiroshi Sugawara

    Hiroshi Sugawara

    Part timer

    Japan - Last active: 1 month ago - Tests: 3

    May. 2001- Oct. 2001 - Web programming and development (Java Servlet, Oracle) for an auction site - Curiocity Co., Ltd. (株式会社キュリオシティ http://web.archive.org/web/20041126051718/http://www.curio-city.com/help/ind_company.html ) 2002-2004, 2006-2007 - Teaching Assistant in Kogakuin University (工学院大学 http://www.kogakuin.ac.jp/) 2004-2006 - Web programming and development (Java Servlet, PHP, Perl, Oracle, MySQL, PostgreSQL) - Web Solutions Co., Ltd. (ウェブソリューションズ株式会社 http://web.archive.org/web/20070127031027/http://www.websolutions.co.jp/ ) 2007-2012 - some heavy physical work for construction of event site such festa and concert venue (Shinseikonpou Co., Ltd. (新成梱包株式会社 http://www.shinsei-group.co.jp/ ), Mash Co., Ltd. (株式会社マッシュ http://www.eventarbeit.com/company/profile/), Lineup Co., Ltd. (株式会社ラインナップ http://www.lineup-grp.jp/about/ ) ) 2013- The warehouse labor in SB Frameworks Co., Ltd. (SBフレームワークス http://www.sbfw.co.jp/info/profile/index.html) See also (Facebook) https://www.facebook.com/hiroshi.sugawara.505/about

    $16.67 /hr
    2,450 hours
    5.00
  6. Sergiy Bykovets

    Sergiy Bykovets

    C/C++, win32 API, DDK, TDI, WFP, Qt, BHO

    Ukraine - Last active: 21 days ago - Tests: 2

    - 10 years experience in C/C++; - 7 years experience in Win32 API; - 5 years experience in development of windows kernel drivers; Service Description: - Client - server applications; - Desktop applications; - Windows system programming; - Windows driver development; - Network filters, firewals; - Internet Explorer addons; - Firefox plugins

    $38.89 /hr
    19 hours
    4.70
  7. Maicon Brauwers

    Maicon Brauwers

    Mobile apps and games developer

    Brazil - Last active: 1 month ago - Tests: 6 - Portfolio: 5

    Over the last five years I've been working as a mobile developer, for both iOS (Objective-C) and Android (Java) platforms. I've been working as a Lead Developer on several mobile projects, and as such I do master all phases of iphone and android app development, being capable of transforming a rough idea on a shipped app. I also have a strong expertise on games programming, including Unity3D game development and advanced computer graphics technology (OpenGL and shaders). I'm BS on Computer Science and I do teach iOS, Android and Unity3D development on a local training center.

    $65.00 /hr
    67 hours
    4.64
  8. Ezekiel Baniaga

    Ezekiel Baniaga

    Ezekiel Baniaga - Software Developer

    Philippines - Last active: 4 days ago - Tests: 4 - Portfolio: 3

    With 5 years experience in various areas of Software Development. Concentrated on different open source technologies to provide clients with a low cost but high quality end results. Below are my mastered technologies and platforms: Enterprise: Java, NetBeans Platform, EJB, JPA, JAX-RS, Hibernate, JBoss Application Server, Apache HTTP Server, Tomcat, Jetty Reporting: JasperReports using iReport. Database: PostgreSQL, MySQL, Sybase, JavaDB, HSQL Software bug-tracking and management tools: Subversion, CVS, Trac, Kenai

    $13.33 /hr
    3,826 hours
    4.94
  9. Miguel Diaz

    Miguel Diaz

    Chrome/Firefox Extensions, Web Scraping, jQuery, PHP, MySQL,API Expert

    Peru - Last active: 10 hours ago - Tests: 2 - Portfolio: 33

    Over 8 years of experience in web development, I've acquired some good knowledge in a variety of technologies from Linux to jQuery. Recently I've been developing Chrome/Firefox Extensions and Web Scraping Systems, I also have hands-on experience on Third-party API integration. My programming style is clean and straight-forward, with equal emphasis on quality, functionality and maintainability. Here's a summary of the technologies I've been involved with: /Chrome and Firefox extensions |-- Content injection |-- Toolbars |-- Sidebars |-- Tooltips |-- DOM manipulation |-- API requests |-- 'New tab' page overwrite |-- LocalStorage /Web scraping |-- Multi-threaded scraper |-- Proxy switching |-- Javascript-based sites |-- Password/SSL protected sites |-- Image scraping |-- Ad scraping |-- Feed scraping |-- Email extraction |-- Regexp |-- Deliverables in csv, tsv, xml, json, excel, mysql, txt /API Integration |-- Google Maps |-- Google Streetview |-- Google Custom Search |-- Facebook API |-- LinkedIn API |-- PayPal API |-- Maxmind.com (IP Geolocation tools) |-- Clickatell.com (Bulk SMS Gateway) |-- Oneall.com (Social Login) |-- Octeth.com (Email Marketing Software) |-- Adstation.com (Advertising Software) |-- Ekosolutions.us (Mobile marketing and micropayments) |-- Infofax.es (Internet Faxing) |-- Prosperent.com (Affiliate tools) |-- Superfish.com (Visual Search) |-- Wurfl.sourceforge.net (Mobile Useragent Database) |-- Talentbin.com (Talent Search Engine) |-- AWeber.com (Opt-In Email Marketing) |-- Thumbalizr.com (Online thumbnail generator) |-- Fnac.es (Product Catalog) |-- Serhstourism.com (Hotel Search Engine) /PHP |-- CodeIgniter Framework |-- Symfony Framework |-- MeekroDB |-- Xdebug |-- Web services |-- PHPUnit |-- Exception Handling |-- cURL |-- PHPMailer |-- phpDocumentor |-- Memcache |-- ZB Block /Javascript |-- jQuery |-- jQuery UI |-- jQuery Grid |-- jQuery Dump |-- jQuery slimScroll |-- MooTools |-- YUI |-- jSEND |-- qTip2 |-- Conditional compilation |-- DOM manipulation |-- Namespaces |-- Ajax /Linux |-- Apache |-- htaccess |-- Shell scripting |-- Rsyc/SSH |-- Cron jobs |-- Procmail |-- Memcached |-- GNU gettext |-- FFmpeg |-- yum/apt-get |-- Virtual hosts |-- Plesk/cPanel /MySQL |-- Transactions |-- Large databases (~5M rows) |-- Data replication |-- Fine tuning |-- Backups /SEO and Internet Marketing |-- Adsense for Search |-- AdSense for Content |-- Advertising Metrics |-- XML sitemap/videositemap generator |-- Google/Bing Webmaster Tools |-- Long Tail Keywords optimization |-- SEO-friendly URLs |-- HTML Optimization /Project Management Tools |-- Git/GitHub |-- SVN |-- Trac |-- Pivotal Tracker |-- Basecamp |-- Atlassian |-- Balsamiq Mockups /Other |-- C/C++ |-- Java |-- ASP |-- Prolog |-- Visual Basic

    $35.00 /hr
    2,533 hours
    4.99
  10. Igor D.

    Igor D.

    Expert .NET Developer(ASP.NET MVC, WPF)

    Ukraine - Last active: 6 days ago - Tests: 8 - Portfolio: 10

    Over last 8 years, I have developed wide range of different applications using .NET Framework(WPF, WinForms, ASP.NET Web forms, ASP.NET MVC 3/4/5 and others) including complete box solutions in B2B area. I'm passionate from software development, especially asp.net mvc. My goal is to participate in an interesting project and to establish a long-time collaboration with customer. Experience and Skills: • 6+ years of experience in Architecting, Analyzing, Designing, Development and Maintenance of Web, Windows, N-Tier Object Oriented applications. • Experience in development desktop applications using C#, WPF,Winforms, CAL(Prism), BlToolkit, ADO.NET, Entity Framework. • Experience in ASP.NET, MVC, Ajax, jquery, css, html • Experience in working on Design Patterns & Practices like MVC, MVP and MVVM. • Experience in developing n-tier C# applications. • Experience in developing Data Access Layers using Entity Framework 4.3 and other popular O/R Mapper software’s like BlToolkit. • Experience in complex data collecting and analysing for making automation of processes • Ability to take and give directions and instructions and provide assistance through completion of tasks. • Strong analytical and problem solving skills.

    $27.78 /hr
    4,741 hours
    5.00