Top Upwork Freelancers

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  1. Nikola Davidovic

    Nikola Davidovic

    MSc Electrical Engineering, Computer Science

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

    While I was still a student, I have started to volunteer in the CG&GIS Laboratory (Computer Graphics & Geographic Information Systems Laboratory). After finishing my graduate studies, I have started with PhD studies at the same Faculty. From May 2008. I work on the Faculty as a Research and Teaching Assistant. I have participated in the large number of commercial and Government funded projects as a developer or team leader. Some of the most important projects are: Development of a desktop, Web and mobile GIS for mapping low voltage network power supply of the local public electric power distribution company. Development of a desktop and Web GIS solutions for the three local governments in Serbia. Development of the mobile GIS solution for Defense purposes. Participated in numerous other smaller projects conducted in the CG&GIS lab. I have thorough knowledge of C# programming language especially desktop development using winforms, Widnows Mobile development and ASP.NET but I can get into any project that is based on .NET. Also I have experience in desktop programming using Visual C++ and Android programming in Java.

    $26.00 /hr
    1,735 hours
    0.00
  2. Aris Widiantoro

    Aris Widiantoro

    Ruby On Rails Developer

    Indonesia - Last active: 2 days ago - Tests: 3 - Portfolio: 3

    I have more then 4 years experience in Java using J2SE, Ruby On Rails, XML, UML, JDBC, and PL/SQL, JSF and Hibernate,PHP,Mysql, CSS, NoSQL, Have very strong skills in the design, development, coding and implementation of software with a sharp learning curve that can be used for any new functional area in any position of the project team.Tools: Netbeans, Mysql, dreamweaverRDBMS, PGAdmin, MysqlWorkbench, Mysql, Firebird

    $13.33 /hr
    54 hours
    0.00
  3. Felix Mondelo

    Felix Mondelo

    Software Engineer

    Spain - Last active: 3 days ago - Tests: 1

    Specialist in BizTalk Server solutions, since 2005, MCTS in Biztalk Server 2004 and Biztalk Server 2006, also MCSD in .NET. 9 year experience in Biztalk projects (Biztalk Server 2004, Biztalk Server 2006, Biztalk Server 2006 R2, Biztalk Server 2009, Biztalk Server 2010 and BizTalk Server 2013). My tech blog: http://felixmondelo.blogspot.com/

    Groups: Microsoft Certified Professionals

    $44.44 /hr
    154 hours
    0.00
  4. Rudolf De La Cruz

    Rudolf De La Cruz

    VOIP Expert

    Philippines - Last active: 14 days ago - Tests: 1

    Work History Ring Central (Mandaluyong City) (2010- Present) Tech support T2 (ASG Floor Support)  As a Technical Support Engineer I provide high value implementation and support to our largest enterprise customers.  Self-motivated with the ability to dive right in, be effective and make a difference  Delivering value to customers by helping them get the most out of their RingCentral service.  Helping them setup and optimize their hosted PBX solution to meet their business needs.  Troubleshoot their network, router, firewall and ISP connections to optimize their VOIP quality of service.  Apply expert knowledge of RingCentral services, VOIP technology and networking hardware and software  Provide premium implementation and technical support to RingCentral’s largest customers  Plan, design, install, maintain, troubleshoot and repair RingCentral’s solutions  Understand network architecture required to support RingCentral’s VoIP services  Recommend network hardware, software and design elements  Answer difficult technical questions, solve technical problems and suggest appropriate workarounds  Utilize network performance monitoring tools to isolate and root cause issues  Provide quick and accurate handling of support interactions – phone, chat, screensharing, email.  Experience with VOIP technology and terminology including SIP, RTP, QoS, COS, CDR.  3+ yrs experience in customer focused role - post-sales technical support  Experience configuring, updating and supporting VOIP solutions in a multi-location environment.  Ability to work efficiently in a highly demanding, team-oriented and fast paced environment

    $10.56 /hr
    440 hours
    1.90
  5. Maksim P.

    Maksim P.

    PHP Expert, Full-stack developer,

    Russia - Last active: 1 day ago - Tests: 4 - Portfolio: 1

    I am pleased to present my candidacy as an experienced and proficient web developer with 5 years of experience in IT industry. I can create any site from scratch as well as continue the project after another coder. I mainly specialize in: - PHP (OOP)/MySQL, AJAX; - JS frameworks (jQuery/Node.js/Express/Backbone) - PHP frameworks (Zend/CodeIgniter/Yii1,Yii2/Laravel); - WordPress platform (creating plugins/themes from scratch); - Slicing responsive designs into valid HTML5/CSS3; - Implementing payment gateways (PayPal, Authorize.net, Google checkout); Also: SVN/GIT, Jirra, Assembla etc.

    $12.00 /hr
    125 hours
    0.00
  6. Andrew A.

    Andrew A.

    Senior Software Engineer

    Russia - Last active: 1 day ago - Tests: 1

    10+ years of experience in software development. Strong skills in web development, database development, object oriented programming and design. I participated in several software startups, including my own. My key technology skills are: Java SE, Java EE, Spring, Hibernate, JavaScript. Also, from time to time I've been working with: Python, Perl, Bash, .NET, ActionScript, PHP, C/C++. (And it's not a problem for me to learn any new thing). I'm able to work on software projects from scratch until the final delivery. I can do budget estimations of the entire software project. I can manage the team. I can understand and implement the most difficult parts of the software systems.

    $24.46 /hr
    1,439 hours
    0.00
  7. Ales Guzik

    Ales Guzik

    Senior Software Engineer

    Belarus - Last active: 2 days ago - Tests: 8

    Full-stack engineer. Over the last 4 years I have participated in development of wide range of web applications using Ruby on Rails, where I have been writing server-side code in Ruby, client-side JavaScript code, doing HTML and HAML markup with CSS, SCSS and LESS styling. I have been setting up staging and production servers from scratch and have written server setup automation using Chef. Passioned about functional and concatenative programming languges, Clojure and Factor in particular. Contributed to various opensource projects, and maintain some personal ones.

    $25.00 /hr
    222 hours
    0.00
  8. Oleg Cebotari

    Oleg Cebotari

    Expert .Net Developer

    Moldova - Last active: 1 month ago - Tests: 1 - Portfolio: 2

    Over the last 9 years, I have developed a wide range of websites and desktop applications using ASP.NET, MVC, Windows Form, WPF, ADO.NET, Entity Framework, Web and Windows Services, WCF and SQL Server, Design Patterns. My core competency lies in complete end-end management of a new website development project, and I am seeking opportunities to build websites from the ground up for you or your business. I also have some experience in the following areas: C#, SQL, Ajax, jquery, OOP, AS3, Flex and software design and testing.

    $20.00 /hr
    37 hours
    0.00
  9. Stas E.

    Stas E.

    C, C++, Qt, Linux, .NET

    Ukraine - Last active: 1 day ago - Tests: 2 - Portfolio: 2

    Software developer with more than 10 years of experience in C, C++ and .NET technologies. I am hard working, passionate about software and technologies, striving for excellence. 5 years of experience building systems with: - C and C++; - Qt framework; - Linux; - embedded systems, including those with real-time requirements; - .NET I have experience in: - web development with ASP.NET and a little AngularJS; - desktop development with .NET and Qt; - SQL database development with MSSQL, PostgreSQL and SQLite; - cross-platform application development for Windows and Linux; - industrial automation using commercial PLC and commodity hardware.

    $22.22 /hr
    16 hours
    0.00
  10. Andrii Baranov

    Andrii Baranov

    Java Developer

    Ukraine - Last active: 1 day ago - Tests: 3

    Helo, My name is Andrii Baranov. I am Java Developer with more than 5 yers of experience. I took part in successfull projects in telocumunication area, product management, payment systems. My number 1 goal will always be to meet your needs and deadline. I have Master Degree in Applied Mathematics from Kyiv National Taras Shevchenko University. Listed below are my experience and skills. - J2EE: EJB, JMS, JPA, CDI, JSF, Servlets, JSP; - Scala, Akka, Spray, Slick, Play Framework; - JavaScript; - OSGI; - RESTful Web Services; - Backbone, Handlebars, RequireJS, Momentjs; - Databases: Oracle, PostgreSQL, MariaDB; - Application/Web Servers: Jboss, Weblogic, Tomcat, Jetty; - IDE: Eclipse, Intellij IDEA; - Source Version Control: Git, Subversion, SVN; - Building Tools: Maven, Ant, Sbt;

    $10.00 /hr
    203 hours
    0.00