Top Upwork Freelancers

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  1. Cristian Santiago

    Cristian Santiago

    Infrastructure Administrator(esp. Windows) and Expert Problem Solver

    United States - Tests: 3

    I have been working on IT for almost 15 years now. I am a generalist, a problem solver. I have more experience on Windows Infrastructure but I do also get along pretty well with Unix environments. I have worked for Microsoft Enterprise Support, then continued working as infrastructure administrator for other companies. I have experience in different kinds of Technology and even if I don't have, I can pick it up really quick, my mind seems to be wired up that way.

    $22.22 /hr
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  2. Darko Milošević

    Darko Milošević

    Application, web programmer and OS administrator

    Serbia - Tests: 2 - Portfolio: 2

    Over the last 8 years, I have developed a wide range of desktop applications and websites using C, C++, C#, VB, HTML, DHTML, PHP, and MySQL including desktop applications and sites for startup companies and small businesses. My core competency lies in complete end-end management of a new desktop application, or website development project, and I am seeking opportunities to build Windows and Linux applications, and websites from the ground up for you or your business. Also, I have developed and the open source applications such as Croatian support for Festival speech synthesis system. I also have some experience in the following areas: Assembly, SQL, OOP, and software design and testing.

    $20.00 /hr
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  3. Siniša Hajnal

    Siniša Hajnal

    Senior Software Developer

    Croatia - Tests: 5

    I've created and/or improved web shops for various European clients. My team wrote complete system for tracking goods from production through warehouse to transport and delivery. This includes: factory software, ordering software, document management module, warehouse management module (which includes mobile devices for work in the warehouse), accounting and retail. Various other projects include touch screen boarding pass sales point, outing reservations, web based retail cash box, document scanning and tracking and more. I've created windows service that tracks ftp folder uploads and translates incoming files to standard format and imports their content (orders, confirmations and statuses) into the database.

    $22.22 /hr
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  4. Aleksandr Korovets

    Aleksandr Korovets

    Ruby & Ruby on Rails Programmer

    Russia

    Hello! I'm Junior Ruby on Rails Developer, I have experience with ROR, TDD, BDD. I also have some experience in the following areas: - Bootstrap, SCSS - Javascript/jQuery - Git, Linux Awarded a bachelor's degree in "Applied Mathematics, Fundamental Informatics and Programming". Have strong mathematical skills and deep knowledge in computer science.

    $10.00 /hr
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  5. Willie Jan Altarejos

    Willie Jan Altarejos

    Workday, Oracle OSB, SoftwareAG webMethods, BPM, JMS, Java

    Philippines - Tests: 1

    Cloud Computing Workday Human Capital Management, Workday Core Connector (Payroll, Benefits), Custom Reports, Enterprise Interface Builder, Workday Web Services, Workday Studio, Experience in Integration with Various SaaS vendor Middleware SoftwareAG webMethods (BPM, Integration, myWebMethods, Broker Server, Designer), Oracle Service Bus, IBM Message Broker, Java Messaging Service, GreenHat Tester, SoapUI Programming Java SE/EE, Spring, Visual Basic.NET, Visual C#, HTML, ASP.NET, JBoss, IIS, WebLogic Database SQL, Hibernate, SQL Server, Oracle IDE Eclipse , Microsoft Visual Studio, Netbeans XML and File Standard Technologies XML, Web Services, XML, XML Schema, XSLT, XSL-FO, XPath, XQuery, EDI 834 File Format, Flat Files, Delimited Files Other Technologies OxygenXML, JUnit, SVN, Mercurial, Ant, Maven, Speed Typing, Siebel CRM, Ubuntu Linux, Crystal Reports, Jasper Reports, Atlassian Suite, SFTP

    $10.00 /hr
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  6. Deniz Hamzai

    Deniz Hamzai

    Software Developer

    Croatia - Tests: 1

    ▪ Microsoft Excel in advanced level - Experienced with creating advanced excel macros using excel VBA - Creating excel functions for certain purposes - Creating forms for the excel macros and integrating in content management way. (Personal Projects available) - (Experienced since 2008) ▪ Microsoft Visual Studio (.NET framework - C#, VB, .ASP) -Experienced with .NET framework using C# programming language. - Using MySQL and MS SQL Server databases. -Content Management projects available. - (Experienced since 2011) ▪ Java programming language -Experienced since 2007, profesionally since 2013. -Spring framework -Swing for GUI creation -Integration with Hibernate 2.4 mapping for Oracle database using XML tags -EJB beans -Both Client, common, server side experience -Object oriented programming -Deployment to JBoss Server -JSF, JSP, PrimeFaces -Net Beans, Eclipse -Use of Toad for Oracle for creating tables, views, sequences, procedures -Ant and Maven for project build -SVN for software versioning and revision control for team work ▪ Borland/Embarcadero Delphi -My programming skills started with Borland Delphi 5 where I used to create my first own projects -Experienced with Delphi since 2004. -Personal Projects available ▪ Web Development: HTML, CSS, ASP, PHP and Apache Server ▪ XML - eXtensible Markup Language ▪ Web Design ( Wordpress, Dreamweaver) ▪ Experience with SAP BW Reports, SD module ▪ Multimedia (Adobe Software – Photoshop, Premiere) ▪ Computer Networks (Cisco CCNA WLAN certificate) ▪ Database Management (MS SQL, MySQL, Oracle) ▪ Knowledge in: Computer Architecture, Operating Systems, etc.

    $6.67 /hr
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  7. Enrico Espela

    Enrico Espela

    Senior Network Engr. / System Administrator -Lead

    Philippines - Tests: 2

    My Name is Eric and i am currently working as System Administrator-Lead in a prestigious Company in US. I am from Philippines and i am looking for a home based part time job to sustain my family needs. My responsibility is to maintain, install and troubleshoot Windows Servers from Server 2008, 2008R2 and Windows Server 2012 R2. I am also responsible in setting up Sharepoint, Exchange Server 2010 and Lync Server 2013. I can also manage Linux Servers like ubuntu, Centos and Fedora. I am also responsible in maintaining AWS instance such as EC2, VPC, ELB and S3

    $10.00 /hr
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  8. Yury S.

    Yury S.

    Experienced Java developer

    Russia - Tests: 6

    I have over 7 years of Java and web development experience using wide range of technologies - from WebSphere Portal to lightweight REST services. Recently I've been most interested in constructing SPA with thin state mid-layer, like Jersey+MyBatis on server and client using JS MVC framework. Besides that I have some knowledge on client stack technologies - HTML+CSS and JavaScript (ExtJS, EmberJS)

    $22.22 /hr
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  9. Volodymyr Diachenko

    Volodymyr Diachenko

    English-Russian-English translator, front-end, Maintenance Engineer

    Ukraine - Tests: 3

    I have experience working as a translator of English-Russian language and vice versa over three years and have several years of experience working in a variety of IT fields. Also I have Object-oriented programming experience and working knowledge of Photoshop. Specialized in IT having a Specialist's Degree in Computer Science.

    $8.89 /hr
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  10. Anton Kalugin

    Anton Kalugin

    Desktop developer

    Russia - Tests: 2 - Portfolio: 1

    I'm a c++ programmer, I write in this language for more than 6 years. Before that i had write on php for design and developing small sites. Not so long i was developing plugins for 3d max and Mapinfo, some converters for graphic files, and so on. Now i'm using QT to create user interfaces. I have small experience with creating 3d objects in 3d max and Google sketchup. For some projects i was used LINQ and WPF.

    $10.00 /hr
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