Top Upwork Freelancers

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  1. Andrey Chorniy

    Andrey Chorniy Agency Contractor

    Senior Java (JEE and Android) Developer

    Ukraine - Last active: 1 day ago - Tests: 3 - Portfolio: 7

    During my 11 years experience I've worked with a lot of java technologies and frameworks, performed a lot of refactorings and system re-deisgns and application performance tuning. My latest experience include application development for Android platform and web-applications with Java/Jboss-Seam/JSF/Hibernate/Spring. System integration with CMS systems like Alfresco, Artesia (OpenText) I have strong background in application performance tuning. Follow the best OOP principles and Design-Patterns. I also have an experience in developing information retrieval systems, datamining, textmining, evolutionary/genetic algorithms. I'm looking for challenging Java/JEE/Android projects.

    Groups: Android, Sun Certified Professionals

    Associated with: Texus

    $30.00 /hr
    2,876 hours
    4.83
  2. Alastair A.

    Developer / Integrator / Administrator - Ruby, Rails - MSc, MCSD

    United Kingdom - Last active: 10/21/2011 - Tests: 2 - Portfolio: 4

    I have developed and supported a wide range of systems, from business components for global financial corporations through to small websites and systems for small companies, using Javascript, Ruby, PHP, C#, Visual Basic, SQL Server, Access, and QuickBase. My core competency lies in helping to determine and create the appropriate system according to requirements. Experienced in the following areas: HTML, CSS, HAML, SASS, REST, Javascript, UML, Linux, Mac, Google Apps, Single-sign on (SSO), Joyent, Slicehost. Microsoft Certified Solution Developer (MCSD) and Sun Certified Java Programmer.

    Groups: salesforce.com, Sun Certified Professionals

    $55.56 /hr
    319 hours
    4.34
  3. Roger Paes

    Roger Paes

    Expert Java web developer (10+ years) SCJP/SCWCD

    Canada - Last active: 6 months ago - Tests: 3

    I'm a Java developer with 10+ years of experience in the J2EE platform, having developed a wide range of web applications(frontend/backend) using the following tools and technologies: Spring 3, Angular JS, Struts, WAS, Oracle, Tomcat, Extjs, Mysql, EJB, JSP, UML, Design patterns, SQL, Hibernate, JSF, Eclipse, Maven, RTC, web services, JMS, etc. I'm seeking opportunities to build java applications from end-to-end.

    Groups: Sun Certified Professionals

    $16.67 /hr
    0 hours
    0.00
  4. Satyanarayan Y.

    Satyanarayan Y.

    Java/J2EE: Spring Framework, RESTful WS, JSF, Struts, Hibernate, MySQL

    India - Last active: 20 hours ago - Tests: 12 - Portfolio: 5

    I have over 7+ years of work experience in Software Development Industry. ✔ Language:- Core Java, Advance Java, PHP ✔ Web Technologies:- Spring Framework, Spring MVC, JSP, Servlet, Struts, JSF, PrimeFaces, Hibernate, JPA, EJB, JDBC ✔ Web Services: REST API with Spring MVC, Java RESTful Web-Services with Jersey API, JAX-WS, JAX-RS, SOAP. ✔ Scripting Language:- HTML, JSTL, Java Script, Ajax, JQuery, CSS. ✔ Database:- MySQL, PostgreSQL. ✔ Web Server:- Tomcat, JBoss. ✔ Version Management Tools:- Visual Source Safe, SVN, Git. ✔ Development IDE:- Eclipse, Net Bean, Intell iJ. I have involved in wide range of website development using JSP, Servlet, Struts 2.x, JSF, Spring, Hibernate, RichFaces, PrimeFaces, JPA, EJB, Ajax, JQuery, Java Script, HTML, CSS and so on.. I am holding Sun Certified Java Programmer(SCJP) certificate. My core competencies lie in complete end-to-end development of any size application right from app development to DB design. Proven ability to develop multiple projects with medium to high complexity. Commitment to Quality work and on-time delivery. Our motive is to help customers to achieve their business objectives by providing innovative, best-in class IT solutions and services, which correspond to client's requirements for 100% or bit more...

    Groups: Crossrider, Sun Certified Professionals

    $15.00 /hr
    1,946 hours
    4.97
  5. Vishal T.

    Vishal T. Agency Contractor

    PHP/Jquery/AJAX/Mysql expert with 7+yr Exp.

    India - Last active: 20 hours ago - Tests: 18 - Portfolio: 8

    I am an advanced level PHP Developer with over 7 years commercial experience. As a full time freelancer I am available for any job, large or small. I am used to working within tight timescales and provide excellent results every time and within budget. I have excellent communication skills and will endeavor to keep you in touch with every aspect of the development process. I have also established a reputation for thinking 'outside the box', so am more than willing to contribute ideas to your project if I can identify areas where functionality or commercial return can be improved. I have extensive knowledge working with PHP in an OOP / MVC environment and full working knowledge of client side languages and libraries including Javascript AJAX and jQuery and additional technologies such as SOAP, REST, XML and JSON. I also have a good working knowledge of JSP and Tomcat. I am used to working with 3rd party APIs including Twitter, Facebook and LinkedIn, together with the Google Map API, other Google APIs and ecommerce APIs such as Paypal, Google Checkout, SagePay, Worldpay and Ogone. I have worked on a number of e-commerce platforms including Magento, Virtuemart, Paypal and Google Checkout, ATG I have a good knowledge of HTML and CSS. I have worked with Wordpress and provided custom modifications to Wordpress websites. I have also worked on interfaces to SMS applications. I also have extensive experience with SEO and my clients regularly feature 'first page' on the major search engines. Please have a look at my profile for a selection of items from my portfolio.

    Groups: Sun Certified Professionals

    Associated with: Techy Minds Agency

    $22.22 /hr
    170 hours
    4.73
  6. irfan shahzad

    irfan shahzad

    PHP and Sun Certified Java Programmer

    Pakistan - Last active: 08/05/2014 - Tests: 6 - Portfolio: 3

    Over four years of development experience with sound knowledge of Object Oriented analysis and design principles. I have been actively involved in developing scalable enterprise application using Agile and TDD methodologies. using Java platform. Furthermore, I have been learning and experimenting with new technologies to expand my horizon and keep myself up-to-date with future trends.

    Groups: Sun Certified Professionals

    $16.67 /hr
    238 hours
    4.94
  7. Ravi V.

    Ravi V. Agency Contractor

    CTO | Project Manager | Expert : .Net 3.0, 3.5, Joomla, ILance, WP

    India - Last active: 20 hours ago - Tests: 11 - Portfolio: 6

    I have more than 10 years of experience in IT field. In these years, I have worked in many fields including corporate trainer, faculty, developer, TL, Project manager, Tech Lead etc. Working in these all fields, I gained a lot of experience in development, designing and project planning. I have also good experience with project management. Being SCJP, I have good experience with Java, ASP.Net, PHP, MVC Framework, WordPress, MS SQL, Oracle, MySQL, CSS, HTML, XHTML, HTML5, CSS3, Responsive designs, Bootstrap etc.

    Groups: Sun Certified Professionals

    Associated with: Vivacity InfoTech Pvt. Ltd

    $16.67 /hr
    7,645 hours
    4.90
  8. Jayansh Shinde

    Jayansh Shinde Agency Contractor

    Apache Ofbiz, Java,Eclipse RCP, OpenGTS

    India - Last active: 20 hours ago - Tests: 3 - Portfolio: 7

    Software developer and architect with 8+ years of experience in software industry. Proven record for achieving successful products – TransForm (Oracle forms to java) and TransRep(Oracle Reports to Birt).

    Groups: Sun Certified Professionals

    Associated with: Jaysan

    $22.22 /hr
    1,331 hours
    5.00
  9. Liviu E.

    Solaris/Linux Certified Administrator

    New Zealand - Last active: 09/23/2010 - Tests: 8

    In the last 5 years i have administered over 300 Solaris 8,9,10, RHEL and SLES servers including clustered environments using SUN Cluster and Veritas Cluster software. Also i have administered backup servers like EMC Networker 7.3 and Veritas NetBackup 5.x and used TSM as client side. I have experience with Solaris Volume Manager and Veritas Volume Manager used with SAN storage EMC Simmetrix and Clariion. I also have good shell scripting skills. Experience with VMWare,Sun VirtualBox,Sun containers and OpenVZ virtualization solutions.

    Groups: Sun Certified Professionals

    $22.22 /hr
    97 hours
    4.97