Top Upwork Freelancers

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  1. Jeffrey Lua

    Jeffrey Lua

    Asp.net Developer

    Philippines - Last active: 4 months ago - Tests: 3 - Portfolio: 11

    I have been working in the IT field for 8 years now developing various desktop and web application for different industries from manufacturing, pharmaceutical, logistics and accounting. I also have in depth experience with regards to data processing. I specialize in applications developed in C#. I am a MCTS in NET Framework 2.0 Windows Applications and ASP.NET 3.5 Web Applications. My over 8 years of professional experience has equipped me to work with minimal supervision, practice professionalism, value integrity and manifest excellence in everything that I do.

    $22.22 /hr
    1,906 hours
    4.89
  2. 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
  3. Alvin G.

    Alvin G.

    Java/JEE, .Net (WPF, C#, VB, WIX), PHP (Joomla, Drupal) Programmer

    Philippines - Last active: 2 months ago - Tests: 10 - Portfolio: 3

    I have developed websites and desktop applications using HMTL, CSS, javascript, Java/JavaEE, PHP, VB6, MS Access, and .Net with database using Oracle, SQL, and MySQL, as well as installers using WIX. Right now, I am seeking opportunities to build websites using any of the technologies I have mentioned from the ground up for you or your business.I also have some experience in the following areas: OOP and software design and testing.

    $18.89 /hr
    309 hours
    5.00
  4. Igor Khvostenkov

    Igor Khvostenkov

    Java Developer / Test Automation Engineer

    Germany - Last active: 3 months ago - Tests: 5

    I have more than 10 years of experience in Software Developing and Testing. Skills: - Java: SE, Spring - DB: DerbyDB, MSSQL, Oracle, Times Ten - Operational systems: Ubuntu Linux, Unix (Solaris 5.8, 5.10), Windows like - Apache Tools: HTTP Server, Tomcat, Maven, James - Scripts: Java Script, SH/KSH/Bash - Automated testing: Selenium/WEB-Driver, JMeter - Other: XML, Web Services, HTML - Methodology of product development and testing, bug tracking systems

    $22.22 /hr
    5,672 hours
    4.98
  5. Mariusz Z.

    Mariusz Z.

    Penetration Tester, Linux/UNIX Security Admin,Intrusion Analyst, CISSP

    Poland - Last active: 3 months ago - Tests: 9 - Portfolio: 1

    I'm Linux Security Administrator & Web Application Penetration Tester with 8 years of experience in the IT field. I'm CISSP (ID# 478556) and OWASP member. My expertise ranges from designing, building secure & robust systems to analysis of subtle software security flaws. I can help you with: - thoroughly security testing your web application (black-box and/or white-box tests) and helping in mitigating detected vulnerabilities - analyzing and assessing vulnerabilities in your application's underlying IT infrastructure - security hardening Linux/UNIX servers/clusters - recommending solutions and best practices on how to design and maintain secure AWS infrastructures - responding to security incident in Linux/UNIX environment, helping in recovery process (rootkit detection, malware removal, etc.)

    $19.00 /hr
    123 hours
    4.79
  6. Inayat Hussain

    Inayat Hussain

    Senior Software Developer, Architect

    Pakistan - Last active: 4 months ago - Tests: 3 - Portfolio: 2

    I am a professional software developer. Over the last 4 years, I have been involved in developing Desktop and Web applications using Microsoft technologies. I have been working as an architect as well. I have strong skills of .Net, C#, ASP.Net MVC, Jquery, Ajax, WPF, XAML, MVVM, Infragistics UI Tools, PRISM and Sql Server etc. I am a good desktop UI Designer as well. Furthermore I have good analytical skills. I am a hard working and an honest person. I strive to learn new technologies and keep myself up to date. Currently I am working as a Senior Software Engineer in a local software house. I have a little experience of Interactive Brokers and TWS as well. I am a little familiar with Bitbucket, git and tortoisehg. I have strong skills of *.Net Framework * C# * ASP.Net MVC, * Jquery, * Ajax * WPF * MVVM * PRISM * Design Patterns * Infragistics UI tools * OOP * Data structures * Strong Analysis * SQL Server * NHibernate

    $11.11 /hr
    205 hours
    4.84
  7. Harsha Halgaswatta

    Harsha Halgaswatta

    Advanced Java/JavaEE Engineer

    Singapore - Last active: 5 months ago - Tests: 1

    Well versed Java/JavaEE developer having more than 6+ years of hands on experience in Play Framework, MongoDB, RabbitMQ, SOAP, JAX-WS (WS-*), MySQL, Redis, NodeJS, Bootstrap, Spring, Hibernate, Google API, XSLT, Shell Scripts. Besides that I have done many Enterprise Integrations with e-Commerce platform with ERP and WMS using Java. Further I have contributed to many open source projects and clients in different domains. I love to use my free time in productive works helping people around. http://www.linkedin.com/pub/harsha-halgaswatta/38/a99/196

    $20.00 /hr
    238 hours
    4.78
  8. 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
  9. John N.

    John N.

    iOS/Android/Web Developer

    Vietnam - Last active: 09/11/2014 - Tests: 5 - Portfolio: 9

    oDesk has recognized me as one of their top Mobile Developers. (Only 40 members in total). See the badge on the right of my profile for more information. About me, I am a professional developer in mobile development with lots of experiences in IOS and Android frameworks. Moreover, I also trained and applied knowledge in Web Development as PHP, ASP.NET or Image Processing as OpenCV on mobile apps. In my working-time, I have done many applications which are launched in AppStore, Google Play with awesome feedbacks and 5-star ratings for great quality of applications, you can find all of them on AppStore such as Instatus, Trivia, MC Quiz, SchoolNoteScan. I will do the best for client satisfaction.

    $20.00 /hr
    507 hours
    5.00
  10. Quang Le

    Quang Le

    Senior iOS/Java developer

    Vietnam - Last active: 01/23/2014 - Tests: 5 - Portfolio: 9

    I'm a talented software engineer specializing in iOS platform with 4+ year experience and 3 years for Java technologies. Over the last 4 years, I have developed various iOS applications using: - UIKit framework, Core Graphics for customized UI components - Core Data, iCloud integration for data storage - AV Foundation, Core image - Rest service integration using well-known libraries like RestKit, AFNetworking - Facebook & Twitter integration using SDKs - iAd, In-App purchase - Offline Map using route-me library On Java, I have strong expertise in many web based frameworks using IoC container, Servlet, JSP, Groovy template, WebUI framework, Maven, Git. My strengths include ability to work under pressure and capability of logical analytical thinking in resolving problem. I'm also able to study and apply new technologies quickly. I'm looking for opportunities to assist you in making iOS robust applications from the ground up. Please see my professional work here: https://github.com/quanglt Your hiring will be appreciated as the contribution for my open source projects on this site. Best regards, Quang Le

    Groups: Corona Labs

    $27.78 /hr
    432 hours
    4.91