Top Upwork Freelancers

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  1. 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
    3,914 hours
    4.94
  2. Sergiy Bykovets

    Sergiy Bykovets

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

    Ukraine - 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
    31 hours
    4.85
  3. Sagun Joshi

    Sagun Joshi

    Database Consultant

    Nepal - Tests: 7 - Portfolio: 4

    Over the last 11 years, I have developed no. of Software using Oracle, MS SQL, Access as a back-end and Visual Basic, Java as a front-end and Crystal Report and Data Report as a reporting tool. I also have excellent experience on Oracle Administration. Here are the details of my few recent Oracle experience: #. Currently working as a Oracle DBA Consultant. 1. D2Hawkeye Services (U.S. Based Company), currently involved as Oracle DBA training consultant. Provide Oracle DBA training and technical support(like performance issues, code samples, SQL tuning, Backup strategy, creating Server Managed Backup Scripts, etc) to the working staffs. 2. Midas Technology (Local Software Company, specialized in Hospital Management System and Colleges, Schools Software), currently involved as Oracle Consultant. Task performed so far from this organization: a. Oracle DBA training to the staffs. b. Oracle Database Server configuration at Manipal Hospital for peak performance. Configured Oracle Data Guard (Physical Stand-by Database). c. Successfully recovered the critical databases of Neuro Hospital, Whitehouse College and Teaching Hospital, Syakar Co. Ltd. (Largest Vehicle importer of the country), Himal Iron & Steel Industries due to Media Failure. (Note:, the databases at Whitehouse College and Himal Iron and Steel Industries were running in no- archive mode and the database was successfully recovered to the point of failure). d. Configuration and installation of Oracle RAC database at Dulikhel Hospital. Also configured for Oracle Data Gurad. e. Has done performance tuning in no. of critical databases. 3. Has done number of Oracle Database Server customization, configuration for small organizations. I also have a lots of training experience on MS SQL, Oracle, Java and Visual Basic since 2000. I have been providing training to the working professionals. Hear are the few organization, I have given training at: • Nepal Bank Ltd. • Nepal Telecom • D2Hawkeye Services (U.S. Based company) • Nepal Investment Bank • Nepal Agriculture Bank • Lumbini Bank • National College of Computer Studies • Manipal Medical College • Midas Software • Designco Software

    $33.33 /hr
    407 hours
    4.77
  4. Lyubomir Filipov

    Lyubomir Filipov

    web developer

    Bulgaria - Tests: 2 - Portfolio: 6

    Over last 5 years I have been working as a developer. I have professional expirience of creating applications for mobile phones - using webworks and HTML5. I have created several applications using mobile-jquery. During the last six months I have been working on different online shops or CMS systems for small and large business. I have been using PHP,MYSQL,HTML,DHTML,Ajax,Smarty, jQuery,MooTools. I have started using HTML, DHTML simple websites. I have been working as Flash developer creating different desktop or web applications. In highschool I have been working on European projects and I have been adminstrator and creator of the websites. I have experience in testing systems - QA. At university I am studying Informatics and also I am one of the organizators of IT competitions(the past two years I have been in the jury). Several years of professional experience. I am seeking opportunities to build websites and confirm the quote "Practice makes perfect."

    $20.00 /hr
    3,965 hours
    5.00
  5. Dmitry Paramonov

    Dmitry Paramonov

    Python System/Web Developer

    Russia - Tests: 5 - Portfolio: 3

    Python is my favourite language and I use it for implementing various system utilities and web backends (with Django framework). I am a server-side guy but despite this I also know how client-side (JavaScript, etc.) stuff works. Besides Python I like functional languages: Haskell, Ocaml, Lisp (Scheme) but they are just my hobby.

    $27.78 /hr
    1,665 hours
    5.00
  6. 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
    2,678 hours
    4.95
  7. 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
  8. 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
    4,964 hours
    5.00
  9. Peter Fang

    Peter Fang

    Experienced Filemaker Pro Developer

    United States - Tests: 2 - Portfolio: 3

    I am an experienced IT professional with a wide variety of skill sets. My education include a Bachelor of Science degree in Physics and a Master of Science degree in Computer Science. I am currently working as an IT Manager in California. I am easy to work with and I always try to please my customers. If I am selected for your project, I pledge to give your project all of my attention and I will ensure you are completely satisfied.

    $33.33 /hr
    121 hours
    4.97
  10. 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