Top Upwork Freelancers

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  1. Stefan Stoichev

    Stefan Stoichev

    QlikView Developer

    Bulgaria - Tests: 1

    Worked as QlikView developer for the past 6 years. Extract data from various datasources such MsSQL, MySQL, Access, Oracle. Own the QV 11 Designer and Developer certificates.

    $19.00 /hr
    10 hours
    5.00
  2. Roman Laschenkov

    Roman Laschenkov

    Python,Tornado,Django,Flask,Web2py, JQuery Web developer

    Ukraine - Tests: 5 - Portfolio: 3

    5 years experience on Python/Django development ☆ Django1.3, Django1.4, Django1.5 ☆ Flask ☆ Pyramid/Pylon ☆ Tornado ☆ Web2Py ☆ PostgreSQL, MySQL, SQLite, MongoDB, Redis, Amazon DynamoDB, Apache Cassandra - SQLAlchemy ORM, Django ORM. ☆ Front end Techniques ☆ Javascript, JQuery, Django template/jinja2, HTML, CSS - Twitter Bootstrap

    $17.00 /hr
    6 hours
    5.00
  3. 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
  4. Mark Klein

    Web Development Expertise with Extensive jQuery Knowledge

    United States - Tests: 7

    I have been developing applications for 6+ years now and have a large background in python; however, web developing is where my heart belongs. I am very experienced in: - HTML - Javascript - jQuery - PHP and have used many different frameworks, like: - Drupal - Google App Engine - Yii - Django - Wordpress I believe that what sets me aside from others is my diligent working habits and my passion to code. I've loved it ever since I was introduced to it and program in most of my free time so I can be the best that I can be.

    $50.00 /hr
    24 hours
    4.79
  5. Michal Kovac

    11+ years Experience Senion ASP.NET developer, jQuery, TSQL

    Slovakia - Tests: 4 - Portfolio: 6

    My foundation is as a developer and software architect in multiple languages. Last eleven years I focus on .NET framework. I have participated as developer and team leader in many projects for private and state sector, delivering successful solutions for my customers in USA, Australia, Austria, Great Britain, Slovak Republic, Czech Republic and Hungary. As MS Professional for ASP.NET and MS Certified Technology Specialist in MS SQL Server I deliver high quality, clean, working code, quickly and correctly.

    $33.33 /hr
    1,595 hours
    3.94
  6. Nazish Kanwal

    SharePoint, InfoPath, CRM Consultant and Developer - Nazish

    Pakistan - Tests: 2 - Portfolio: 11

    During my career, I worked in wide variety of Tools and Technologies ranging from development to Microsoft Server Product customization. My core areas of expertise are C#, ASP.NET, MS Dynamic CRM 3.0, 4.0, Microsoft InfoPath 2007/2010, Microsoft SharePoint Servet 2010, Microsoft Office SharePoint Server 2007 and K2 Black Pearl 4.5. Moreover, my experience and interests in Microsoft Infrastructure technologies (e.g. Active Directory, DNS, Exchange) broaden my knowledge which greatly helped in polishing my skills in architecting end-to-end solutions for clients. I always look for opportunities to develop and design solutions which help clients in fullfiling their business needs.

    $16.67 /hr
    113 hours
    5.00
  7. Marc Gray

    PHP/JS/HTML5 Expert Developer and Linux Administrator

    United Kingdom - Tests: 12 - Portfolio: 1

    I am an expert developer and system administrator with PHP, MySQL, Javascript, CSS3, HTML5 and Linux (I currently use: RHEL, CentOS, openSUSE, Fedora. I have previously used Gentoo and Ubuntu). I have previously developed/configured: - Full eCommerce framework with innovative admin panel (PHP, Javascript) - Automated video transcoding service (PHP, Linux, ffmpeg) - Automated document conversion service (PHP, Linux) - Database driven SFTP service and firewall stored over NFS (PHP, Linux) - Differencing document storage solution (PHP) - Deduplicating backup storage solution (PHP) - Multiple fault tolerant storage servers with 12tb of space (Linux) - Multiple complex scripted firewall setups using iptables (Linux) - Flash website without Flash, with pixel perfect design and advanced effects (Javascript) - MIME Email framework to replace PHPMailer (PHP) - ... and much, much more I also work as a white-hat hacker, where I probe and test servers for vulnerabilities. I have previously been CRB checked and treat all clients with confidentiality. I am happy to sign an NDA.

    $35.00 /hr
    241 hours
    4.92
  8. Christian Klippel

    Microcontroller Programming, PCB Layout, Schematic Entry, Circuit Desi

    Germany - Tests: 1

    Schematic entry and PCB Layout in Eagle which i use for over 10 years now. Generation of a Gerber-Files from the layout, ready to use in PCB production. Programming of PIC microcontrollers, mainly the PIC18 series, in C and assembly. C compilers used are the open-source SDCC as well as the proprietary MCC18 compiler from Microchip. Using PIC micro's for over 6 years now. Knowledge of ARM based microcontrollers (especially the LPC series from NXP) using tge GCC compiler. Programming of PC based tools to control and communicate with the microcontroller circuits under the Linux operating system. Tools can be console based, or GUI based using the QT-Toolkit. Programming under Linux for about 8 years now. Digital circuit design according to the customers preferences and needs. Designing custom circuitry for about 8 years now.

    $27.78 /hr
    232 hours
    5.00
  9. Vishal S.

    Senior Architect and Developer

    India - Tests: 5

    Over the last 8+ years, I have worked on various technologies ranging from simple Java programming to complex J2EE Servlets and JSPs. My core competency lies in Java/J2EE design and development and Hadoop programming. I have worked extensively on web programming and have written crawlers and parsers for my last odesk job. (Please see the feedback given by last client) I am seeking an opportunity where there is ample to learn and show my core competency. Prefer to work on hadoop programming.

    $44.44 /hr
    1,884 hours
    5.00