Top Upwork Freelancers

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  1. Ivan javier R.

    Ivan javier R. Agency Contractor

    Java developer, Web programming, Desktop Applications.

    Colombia - Tests: 1

    Over the 5 last years, I have developed applications in java and in the last 4 years web applications using gwt. I also have experience using the following tecnologies: hibernate, ibatis, jasper report, apache poi, c++, sql.

    Associated with: BGX

    $18.00 /hr
    10,657 hours
    5.00
  2. Ezekiel Baniaga

    Ezekiel Baniaga

    Ezekiel Baniaga - Software Developer

    Philippines - 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
    3,898 hours
    4.94
  3. Juan David Gil Diaz

    Juan David Gil Diaz

    Not Another Java Programmer

    Colombia - Tests: 6 - Portfolio: 1

    During the last years, I have been working as an employee as well as an academical student/researcher with J2EE Web and J2SE stand-alone environments. During the last year I worked for PSL (www.psl.com.co), CMMI level 5 company qualified for their good practices and awarded with the Software Process Achievement Award by the IEEE and the SEI (Software Engineering Institute). In PSL I developed some modules for a large Web proyect called Impacta, sold to a important motorcycles assembler in Colombia. Impacta is a Web application module that communicates with the company's ERP through Web-services, it has a multi-layer arquitecture that supports a with a CRM like functionality. Impacta uses JSF(Java Server Faces) for its presentation-layer, along with Ajax, in its business-layer uses pure Java integrated with Spring and Web- Services(Xfire) and in its persistence-layer, a PSL's propietary persistence framework was used against an Oracle DB.

    $25.00 /hr
    2,677 hours
    4.95
  4. Antonio J.

    Antonio J.

    Senior .NET Developer and Project Manager

    Portugal - Tests: 1 - Portfolio: 13

    I'm a seasoned Senior .NET Developer and Project Manager. I've been Developing Web Based Applications and Websites for the last 15 years, in both small and large companies. I'm proficient not only in several Development tools, but also in Database Design, Administration and Functional & Technical Analysis. In order to complement my technical skills I've also acquired Project Management skills, that help me plan, organize and control small and Large Development Projects. My Technical skills can deliver a job well done, I work on a daily basis in .NET, Jquery, BootStrap, Jquery, VB.NET, C#, Colfusion, SQL 2005/2008, Javascript, HTML, XML, XSL, XSLT, VB6, ASP and VB.NET. However I've also worked with PHP, MySql, Metatrader, VBScript, Access and several other technologies. The broad range of skills and technologies I've gathered in the past years, is the key to provide a very good work.

    $45.00 /hr
    1,866 hours
    5.00
  5. Chalitha Wickramathilaka

    Chalitha Wickramathilaka

    Senior Backend Programmer / Tech Lead

    Sri Lanka - Tests: 2 - Portfolio: 15

    From almost 12 years I have been working with php based web applications. MVC, and Zend Framework 1/2 development environments. I have the same experience with java scripts /jQuery/extjs frameworks. I have more than 7 yrs experience on load balancing . Clustering , and replication over debian, centos and redhat systems. I use Oracle and mysql databases on most of my projects. As a code collaboration tool I am using Gforge with svn/git for my projects. also I have strong experience with iptv application such as tvguides, epg, music applications etc etc. I have been working on high loaded websites, application databases for my work. I have strong knowledge of optimizing web applications smooth run on a very high load. Also I have experience with hardware Visualization on VMware boxes. I have additional experience in ETL Jobs / Mysql clustering / Piranha / php heavy load balancing / caching nodes. Android / FB apps/ REDIS/VMware ESX configuration

    $33.33 /hr
    4,928 hours
    5.00
  6. Nikolay G.

    Nikolay G.

    Technical Lead (Java)

    Russia - Tests: 8 - Portfolio: 2

    I'm an experienced Java programmer with solid principles in programming, architecture and code quality. I have a wide experience in Java-related technologies, so I can provide you high-level end product. I love to learn new technologies, frameworks etc, so research projects will be also interested for me. NOTE: If you are looking for bad quality, cheap, fast written code - do not distirb me, please. I'm not interested in working in a team which don't follow clean code, DRY and SOLID principles.

    $30.00 /hr
    1,037 hours
    4.86
  7. Sridhar G S

    Sridhar G S

    Expert testing professional having 15 yrs exp in software testing

    India - Tests: 6 - Portfolio: 10

    - A total of 18 years experience in IT industry and 15 years in Software testing and Quality Assurance for complex applications - Expert in manual and automated testing - QA activities such as test planning, test scheduling, test metrics, test reporting, QA process, setting up test environment. - Expert in web site / web application testing. - Expertise in testing Cluster Server (Veritas Cluster Server) and Storage (Veritas Volume Manager, arrays HP, EMC, NetApp) technologies. - Extensive expertise in QA life cycle and automation experience at Testing, System Testing, Regression Testing, Performance Testing, Functionality Testing, Winlogo Testing, SCS Testing, Formulating Test Strategies and Test environment, Preparation and execution of Test Plan and Test Cases, QA Report. - Experienced in testing on Windows 8.1, Windows XP, Windows Server 2000, 2003, 2008, Active Directory, Microsoft Exchange 2000/ 2003 Servers - Documentation Review (Won the first prize for doc review bug bash)

    $11.11 /hr
    10,917 hours
    4.92
  8. Dragan Savic

    Dragan Savic

    QA Engineer

    Serbia - Tests: 4

    Education - Master degree in Computer Sciences and Information Technologies, Faculty of Technical Sciences, Novi Sad, Serbia Area of Expertise - Quality Assurance: Manual testing: • Reviewing user interface • Reviewing software behavior and logic • Documenting any flaws (bugs, layout and workflow issues) • Suggesting improvement options • Cross-browser testing (Firefox, IE, Chrome, Opera, Safari) Automation testing: • HP QTP • Selenium (JET framework) Bug tracking systems: • JIRA, Redmine, Lighthouse, OnTime, adaptable to any Documentation: • Writing test plans • Writing test cases Familiar with: C#, ASP.NET 2.0, 3.5, Win Forms, Web Services, C++, MS Visual Studio, Borland C++ Builder, Java, JSP, Servlets, EJB 2.0 , Web services, JasperReports / iReport, Silverlight 4, Flex 4, HTML, MSSQL, MySql, Sybase – Power Designer, SVN, XML schemas, DirectX, MS Office and all other basic computer programs. Experience Three years working as a QA – manual testing (freelancer): September 2011 - Present :: Quality Assurance on projects with customers all over the world during this period as freelancer February 2013 - April 2013 :: QA - Test Specialist for "ates nearsourcing" company Other working experiences: March 2008 - November 2008 :: Technician specialist in Information Technology for "Telekom Srbija" company January 2009 - February 2010 :: Software Developer (freelancer) July 2010 - March 2011 :: Software Developer for RT-RK company

    $20.00 /hr
    5,307 hours
    5.00
  9. Krastyo K.

    Krastyo K.

    Java/SQL/C++/C# Developer

    Bulgaria - Tests: 2

    I have more than 15 years experience of Web and Desktop programming, using variety of technologies - web programming using Java or ASP.NET, JQuery, Ajax, HTML, CSS; SQL databases; different tools, services and applications with C++/C#. During my work carrier I have been involved in many projects, focused in various fields of interests - database driven web sites and applications, Windows desktop applications, CAD/CAM systems, MS-Office automation applications, device control systems, large database support applications.

    $20.00 /hr
    1,386 hours
    5.00
  10. Jesus Enrique Gutierrez Cortazar

    Jesus Enrique Gutierrez Cortazar

    Senior Software Developer

    Mexico - Tests: 5

    I'm a full-stack software developer. I use to follow and implement code standards and also to audit and modify code for a better performance, knowledge and understanding. The best part is that i love what i do as i live for it. It's like i'm beeing payed for having lots of fun. Wait, that's true in fact!!! I love technology and development innovation and i when i'm sleeping i dream about code, implementations and deployments. I have experience developing professional enterprise software solutions under many technologies, mainly with Java and Ruby On Rails. I have good written and verbal english communication skills. I consider myself as proactive, responsible and can be part of any team work. It doesn't matter what's the problem to solve or what's the programming language to solve it, i can learn it and will solve it in the best possible way.

    $22.22 /hr
    1,456 hours
    5.00