Top Upwork Freelancers

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  1. Rodrigo Marcelo Martinez Velasquez

    Rodrigo Marcelo Martinez Velasquez Agency Contractor

    IT Consultant, Web designer and developer in PHP and .NET

    Bolivia - Last active: 1 day ago - Tests: 1 - Portfolio: 8

    The past 8 years I have planed and develop systems and web sites using HTML, Ajax, PHP, MySQL, Mongo, Bitcoin and other technologies for banking, betting, social media and other companies. I'm a person that can be in charge of planing, managing and developing the site and system you need. One of my strengths is to work on teams and be very cooperative about sharing knowledge and get things moving.

    Associated with: Tesdra Wide

    $33.33 /hr
    10,432 hours
    5.00
  2. Alexander Katkov

    Alexander Katkov

    Web developer

    Russia - Last active: 1 month ago - Tests: 5

    I started to develop business applications in 2004. I took part in projects of different sizes and subjects in the past 10 years. I have an experience of working alone, as part of the team and as a team leader. I’m focused on web development using .NET Framework, but also have experience in .NET desktop applications and windows services. I'm an expert in ASP.NET, .NET MVC, JavaScript, jQuery, MS SQL Server. I'm familiar with WCF, WPF, MySQL, MongoDB, MS Analysis Services, Entity Framework, .NET Web API.

    $20.00 /hr
    28 hours
    5.00
  3. Natali B.

    Natali B. Agency Contractor

    android-developer, web-developer

    Russia - Last active: 7 hours ago - Tests: 5 - Portfolio: 1

    I'm certified magento developer with 5 years experience. Also, I have an interest and experience in the following directions of development: 1.Web development. Here I have an experience of developing with next technologies : PHP, Zend, Magento, Twitter Bootstrap, jQuery, SCSS, Twig,Zurb Foundation, BEM (Yandex), Nginx, Comet, PostgreSQL. 2.Android development. Here I have an experience in development mobile versions web-sites and applications. 3.Also, I have an experience in the development programs for mathematical research: this is Viterbi decoder with using C and program to identify human handwriting with using Java.

    Associated with: Rendered Source Agency, Rendered Source RU

    $22.22 /hr
    1,133 hours
    4.98
  4. Andrey G.

    Andrey G. Agency Contractor

    JavaScript Samurai - Make your things done

    Ukraine - Last active: 1 day ago - Tests: 9 - Portfolio: 6

    I have many years of experience of high quality coding. My job is creating huge and responsive single page applications. Besides, I work under my own open source projects. Look at my Github profile: github.com/finom If you need a developer who can create awesome apps and who knows how to work with big amounts of data, you're welcome!

    Associated with: Coding Farm

    $39.99 /hr
    3,299 hours
    5.00
  5. Yoyon Cahyono

    Yoyon Cahyono Agency Contractor

    Responsive and Reliable Web Developer

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

    Experienced web application developer with more than 7 years experiences in programming using PHP, node.js, HTML, Javascript and CSS. My primary goal are an effective, attractive yet responsive application solution. I'm ready to help you to achieve reliable web application. Some of my experience are: - Web crawling/capture - Implementing 3rd party/partner API through REST or SOAP - Integrating payment gateway such as Paypal, Stripe, Recurly, etc with yii framework based web applications - Integrating social networks through oAuth and its API - Integrating email for transaction and subscription (like github and facebook messaging) using mailchimp, mandrillapp, and others within the web application - Cache, query optimisation, and cloud deployment

    Associated with: Disruptive Technologies, Inc. Agency

    $30.00 /hr
    7,137 hours
    4.41
  6. alexander Merkulov

    alexander Merkulov Agency Contractor

    Asterisk/voip/a2billing/freepbx/kamailio expert

    Ukraine - Last active: 4 days ago - Tests: 6 - Portfolio: 5

    My time is my value. So when you choosing me you can expect that job will be done in short terms and perfect. I not like to do something that not need be done, i prefer use developed components and solutions. That not mean i can't do development. I working with different programing tasks for last 26 years. yes, from 6 y.o. I live in it. So i prefer do something new&interesting; I can handle all tasks from linux administration/virtualization upto end-user web for voip. Only task i never do - graphical design part. That is not my field, better hire someone else for design. I have university degree, working with asterisk from start of this project. Have developing experience with freepbx/trixbox&a2billing. I am one of contributor of a2billing.org trunk. Also i can work as mysql/postgres DBA, database architect, has experience with following languages: Perl Python PHP C/C++ Javascript SQL Prolog/Lisp,Forth. In voip i can work with callweaver, asterisk, opensips, kamailio. Developed modules for freepbx, elastix, trixbox, a2billing.

    Associated with: UA Prime Agency

    $67.77 /hr
    545 hours
    4.97
  7. Gabriel Teodor Bunbac

    Gabriel Teodor Bunbac Agency Contractor

    Senior Sharepoint Architect Microsoft Certified

    Romania - Last active: 1 day ago - Tests: 8 - Portfolio: 12

    Highly proficient SENIOR SHAREPOINT ARCHITECT/ CONSULTANT/ ADMINISTRATOR/ DEVELOPER (more than 14 years IT experience and more than 8 years Sharepoint experience), I participated in all the phases of a project: business analysis, hardware and software architecture design, implementation, configuring solutions and after that, the administration and system maintenance. In the last 4 years I finished more than 203 projects and worked more than 3081 hours gathering for all 5/5 rating and good feedbacks.

    Groups: Microsoft Certified Professionals

    Associated with: IT-Share

    $40.00 /hr
    1,964 hours
    5.00
  8. Moin U.

    Moin U. Agency Contractor

    Mobile App Developer

    Bangladesh - Last active: 2 days ago - Tests: 2 - Portfolio: 9

    iOS native app and game development using Swift Skilled corss platform web and native app developer using Sencha Touch and Titanium Several years of experience on developing websites using different php framework, HTML5, CSS3, Twitter bootstrap, jQuery, AngularJS. Developing quality products and assuring clients 100% satisfaction are my first priority.

    Groups: Crossrider, iOS Swift Test Contributors

    Associated with: Durlov Development

    $40.00 /hr
    644 hours
    4.99
  9. K B.

    K B. Agency Contractor

    QA-Test Lead- 5000+ hours in oDesk

    India - Last active: 1 day ago - Tests: 4 - Portfolio: 6

    I have 7 years of experience in software testing various desktop,web and mobile applications I have great exposure to web automation testing tool like HPQTP and mobile application automation testing tools like Experitest-seetest and Appium. Profile: -International Software Testing Qualifications Board (ISTQB) certified -HP Quality centre 9.2 certified. -HP Quick Test Professional (QTP) 9.2 certified. -Expertise in Manual Testing Process on Client/Server applications. -Experience in writing, reviewing and executing Test cases -Expertise on testing various mobile applications on various platforms like iOS,Android,blackberry, Windows. -Expertise on mobile application automation testing tools using Experitest-seetest and Appium -Analyzing the root cause of the failure of test and preparing the appropriate test reports. Technical Skills: IBM Mainframe, QTP& BPT,Seetest,Appium, Core Java, Vb Scripting, Excel VBA, C

    Associated with: The Measurers

    $11.11 /hr
    5,228 hours
    4.99
  10. Irfan Tahirkheli

    Irfan Tahirkheli Agency Contractor

    Developer Online

    Pakistan - Last active: 2 days ago - Tests: 1 - Portfolio: 3

    Over the last 5 years, I have developed a wide range of websites using HMTL, ASP.NET, JQuery,CSS,Javascript and MSSQL including sites for startup companies and small businesses. 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:PHP,MySQL, Ajax, OOP, and software design and testing.

    Associated with: SwabiTech

    $11.11 /hr
    909 hours
    5.00