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XSL Upwork freelancers typically receive a client rating of 4.59.

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Last updated: August 1, 2015

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  1. Max Chechel

    Max Chechel

    Backend programmer with NFC experience

    Russia - Tests: 1 - Portfolio: 1

    Hi, I've been working in IT since 2003. I have worked mostly as a backend programmer and system architect for several e-commerce and mobile commerce startups that are well known in Russia and the post-Soviet space: * http://money.yandex.ru/ * http://mobi-money.ru/ * http://money.beeline.ru For these projects I have used PHP, C, Java, MySQL, Linux, Memcached, regular expressions, XSLT, SOAP and many other things. Three years ago I moved into the NFC world and since then I've been developing innovative payment and ticketing NFC services for a start-up company. One service is already in use and allows passengers of Moscow's "AeroExpress" trains to use their PayPass/PayWave bank cards: http://www.aeroexpress.ru/ru/press_releases/news20081285.html I developed a distributed system that includes: * Multithreaded servers for each train station that manages dozens of NFC readers and turnstiles and processes transactions in pseudo-realtime mode with delayed transaction authentication. * A central server that provides back office interface for tech support and accountants, collects logs and other information from station servers, and distributes black and white lists of cards across all stations connected to the system. Sometime ago I made a few minor commits to an opensource LibNFC library that made it possible to use it to communicate between a NFC reader and Mifare-enabled USIM cards and dual interface contactless smart cards with mifare functionality. I started to use Ruby as a main programming language in 2008. I should note that my Ruby experience is quite different from a great majority of ruby programmers; I use Ruby not only for Rails but also for communicating with different types of hardware using binary TCP-based protocols or serial ports. Rails are used mostly for creating backoffices (ActiveAdmin) and API web-services.

    $18.00 /hr
    11 hours
    5.00
  2. Syed Muhammad Humayun

    Syed Muhammad Humayun

    Senior Developer

    United States - Tests: 2 - Portfolio: 3

    http://www.smhumayun.com 13 years of industry experience have helped me understand the customer's perspective a lot and with that understanding and the skillsets that I have nurtured during those years, I'm able to devise solutions that not only meet customer expectations but also left a long lasting satisfaction that end-up having a stronger relationship built on trust and loyalty. I developed numerous applications single handedly as well as in a team. I've lead several teams and have also worked as a team member. I've worked on all the three editions of Java Platform - JSE, JME and JEE. I've developed 1. Desktop applications build on Java Swing and AWT. 2. Web Applications using Java, JSP, Servlets, Struts, Hibernate, Spring, etc. 3. Web Services and both published and consumed Web Services using Apache Axis and Apache CXF. 4. Distributed Applications using Network Programming and Multi Threading. 5. Mobile Applications on Java ME platform. Some of the notable projects that I've worked on are: 1. RivePoint - A Location Based Services Platform using Java ME, J2mePolish, kXML, Maven, Nokia SDK, RIM SDK, etc. http://www.rivepoint.com/ 2. Enterprise License Management System - A distributed license management system using Java SE, Network APIs, Crpytography APIs, Multi Threading, Swing, Look & Feel, etc. This is in use currently behind the scenes in eDev Tech's flagship InteGREAT products. http://www.edevtech.com/products.html 3. Apus IntelliSync - A distributed, fully scalable and fault tolerant database sync solution that supports heterogenous database systems. Built using Java, SQL, Compression APIs, Spring, Maven, Multi Threading, Network Programming, etc. 4. Rover Lite/Regular - A salesforce automation system built using Java ME Platform, J2mePolish, Nokia SDK, NetBeans Mobility Pack, Bluetooth API, Connection API, kXML, Compression API, ANT, etc There are numerous projects that I just can not mention here because of shortage of space and time. Similarly, I've worked on plethora of frameworks and APIs within Java eco system. For details you can refer to my CV/Resume. I would also encourage you to have a look at my LinkedIn profile: http://www.linkedin.com/in/smhumayun

    $60.00 /hr
    109 hours
    4.56
  3. Muhammad Usman

    ASP.Net/C#,VB.Net/MVC/SQL Server/JQuery/Devexpress/Telerik Expert

    Pakistan - Tests: 3 - Portfolio: 6

    Hi, I have 9+ years of experience in Web Development, Internet Enabled and windows applications and in SQL Server(2000/2005/2008) My strengths are in following langueges and tools, 1. SharePoint Server 2. ASP.Net,C#, VB.Net,WCF,ASP, AJAX,JQuery 3. XML,XSLT,XPath, Web Services 4. SQL Server 2000/2005/2008, Reporting Services, Crystal Reports 5.HTML,DHTML,CSS,JavaScript 6. Designing tools (Adobe Photoshop CS). 7. Devexpress and Telerik controls expert If I can provide you with any further information on my background and qualifications, please let me know. I am currently available 40 hours per week and can be reached online MSN Messenger,Yahoo Messenger or Skype, Monday through Friday. I look forward to hearing from you. Thank you for your consideration.

    $15.56 /hr
    6,588 hours
    4.97
  4. Jahirul Islam Bhuiyan

    Jahirul Islam Bhuiyan

    System Analyst

    Bangladesh - Tests: 15 - Portfolio: 1

    self development and organizational skill development at management level. ► Highly motivated, dependable troubleshooter and problem-solver ► Customer-focused performer who is committed to quality in every task – from personal interaction with coworkers and users to high level of service provided to company/customer ► Valued contributor who performs confidently and effectively under pressure and thrives on challenge ► Excellent communicator and good listener ► Enthusiastic learner who quickly grasps concepts technical skills You can find me- at LinkIn http://bd.linkedin.com/pub/jahirul-islam-bhuiyan/36/430/7a1/ at MVA https://www.microsoftvirtualacademy.com/Profile.aspx?alias=1041778

    $11.11 /hr
    131 hours
    2.89
  5. Yuriy K.

    Yuriy K.

    Senior Java / J2EE / Server / Web Services / Cloud / NoSQL developer

    Ukraine - Tests: 7 - Portfolio: 4

    Perfect English, 6+ years of software development experience, professional attitude, and strong work ethics. I work hard to implement the best solution for you, and produce neat code in a timely manner. * Scalable server apps * Amazon Web Services (AWS, RDS, S3, SimpleDB, Elastic Beanstalk, EC2, ElastiCache) * Database Programming * Web Services (REST & SOAP) * Cloud * MongoDB * XML Processing * Hibernate * JPA * NoSQL * MySQL * GlassFish * Tomcat * EJB * JMS * JUnit * Memcached *

    Groups: Application Developers Alliance

    $27.00 /hr
    1,122 hours
    3.20
  6. Alexander Belov

    Alexander Belov Agency Contractor

    4000+ oDesk hours, PHP/MySQL/JS/HTML/CSS Developer

    Russia - Tests: 10 - Portfolio: 1

    I am a developer looking for opportunities to create powerful, flexible, scalable and modern web solutions for businesses or individuals to help them become more productive, profitable and successful. I specialize in developing web applications built in PHP, MySQL, XHTML/CSS, Javascript. I always keep an eye on a quality of my work. Thanks for your interest in my services and have a great day.

    Associated with: Rendered Source Agency

    $30.00 /hr
    4,016 hours
    4.95
  7. Mikhail Ryzhikov

    Mikhail Ryzhikov

    Team Leader, Architect, Lead Developer

    Ukraine - Tests: 5 - Portfolio: 1

    «Job must be interesting. Otherwise it becomes a duty» © ----------------------------------------------------------------------------------------------------------- PHP [16 years experience] — Designs & Patterns, Architecture building, PHP 5.3.x+, Drupal 6/7, Silex, TYPO3, Symfony, Zend Framework, Doctrine ORM, Propel ORM SQL [14 years experience] — MySQL (MyISAM, InnoDB, Memory, CSV engines), SQLite, PostgreSQL NOSQL [7 years experience] — MongoDB, Redis, Memcached XML/XSL [15 years experience] — XML/XSL transformations, XPath, XQuery, DTD/XSD validation schemas, SVG XHTML/CSS [18 years experience] — Native markup, Blueprint, 960 Grid System (w. Fluid), xCSS JAVASCRIPT [16 years experience] — Designs & Patterns, Sencha Ext.JS 3.x, 4.x (inc. 4.1.3), Sencha Touch, jQuery (inc. jQuery Mobile), Prototype, Aculo US, MooTools, YUI VERSION CONTROL SYSTEMS [13 years experience] — GIT, SVN, CVS, Perforce | Gerrit, FishEye LINUX SHELL SCRIPTING [14 years experience] — Bash scripting, GNU Make, SED/AWK UML [9 years experience] — Diagrams, Datagram to Code/Code to Datagram, Flows mock-up development J2SE [1 year experience] — Designs & Patterns SALESFORCE [1 year experience] — APEX (PHP layer binding) DELPHI/OBJECT PASCAL [5 years experience] — Designs & Patterns ----------------------------------------------------------------------------------------------------------- TEAM LEADING — Experience of team leading in 7-people team HIGH-LOADED APPLICATIONS — Experience of high-loaded application development, aimed for usage in aggressive environment ----------------------------------------------------------------------------------------------------------- MORE THEN 500+ SUCCESSFUL PROJECTS CODE SAMPLES (STYLE, GUIDANCE, LINES ETC…) — http://git.developer.com.ua/

    $44.44 /hr
    4,375 hours
    5.00
  8. Anahi Olives Ponsoda

    Anahi Olives Ponsoda

    Graphic Designer & Developer

    Spain - Tests: 9 - Portfolio: 68

    http://en.dolphin-tecnologias.com -- I create any kind of design project: logos, brochures, flyers, brand identity, stationery, powerpoint presentations, catalogs, ebooks, books, covers, banners, ... I'm professional, responsible, meticulous and organized. I like to talk to my clients in order to know their needs and deliver a well done job that covers their expectatives. I'm the kind of person who believes that you have to work hard for getting good results. Please, feel free to contact me if you have any design or IT project you need to develop... I will gladly help you make it real!

    $37.00 /hr
    4 hours
    4.86
  9. Roman S.

    Roman S. Agency Contractor

    SharePoint/ASP.NET MVC/ASP.NET developer Microsoft Certified

    Belarus - Tests: 8 - Portfolio: 15

    Highly qualified software developer, have for over 5 years experience in software development. My area of expertise are Microsoft technologies like Microsoft SharePoint, ASP.NET, ASP.NET MVC, MSSQL Server. My goals is developing top-notch solutions gaining more experience in software development. Skills\technologies: C#, SQL, Java Script, PowerShell ASP.NET, SharePoint Server 2010/2013, ADO.NET, MVC, WEB API, Win Forms, WPF, InfoPath, Active Directory, WCF, Silverlight, Entity Framework, NHibernate, Ado.net, WebServices, Windows Services, LINQ, AJAX, XML, SOAP, REST, HTML, DOM, XSLT, XPath, CSS, TCP/IP, HTTP NUnit, jQuery, AngularJs, Knockout, Ext.net, Telerik, Kendo UI, Windows API, OpenGL, Umbraco, JIRA API, Exchange Services, PayPal API MS Windows, and Windows Server/IIS MS SQL Server, MS Access, MongoDB MS Project 2010, Visio, Jira Microsoft Office, MS Visual Studio, Fiddler, FireBug, Adobe Photoshop, Resharper, Reflector, Oracle VM VirtualBox, InfoPath 2010, SharePoint Designer, TFS, GIT, Jira Agile, Scrum, Design Patterns, OOP, TDD, Object Oriented Design

    Groups: Microsoft Certified Professionals

    Associated with: Alverden Agency

    $20.00 /hr
    157 hours
    5.00