J2EE Developers & Programmers

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Hire a freelance J2EE developer on Upwork to develop, build and deploy web-based enterprise applications online. These experts can use Enterprise JavaBeans (EJBs) and Java Database Connectivity (JDBC) to provide threading, concurrency, security and memory management to your database.

Java 2 Platform Enterprise Edition (J2EE) is a platform-independent Java runtime environment and API geared towards the development of web-based enterprise applications, including network and web services. It uses Java Server Pages and servlet code to create HTML and other data formats for scalable, reliable and multi-tiered web applications. On Upwork, the world’s largest online workplace, web developers use the J2EE framework to create Java apps, webpages, databases and networks.

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J2EE Job Cost Overview

Typical total cost of Upwork J2EE projects based on completed and fixed-price jobs.

Upwork J2EE Jobs Completed Quarterly

On average, 42 J2EE projects are completed every quarter on Upwork.

42

Time to Complete Upwork J2EE Jobs

Time needed to complete a J2EE project on Upwork.

Average J2EE Freelancer Feedback Score

J2EE Upwork freelancers typically receive a client rating of 4.59.

4.59
Last updated: May 1, 2015

Popular J2EE Searches

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  1. David C. Toledo Sanchez

    David C. Toledo Sanchez

    Developer Android, Java ,J2EE

    Peru - Last active: 13 hours ago - Tests: 10 - Portfolio: 39

    Over the last 5 years, I have developed a wide range of android applications and 2 in iphone, and I have 12 years from experience development in java and Java Applications Server . I am seeking opportunities to build new android apps. Android Skills: Advanced UI Design , SQLlite, Google Map Api1, Api2, In App Billing, Fragment, Sherlock Fragment, Facebook Api, Twitter API, Json , Rest Webservice Integration, QR Code, Background Service, GPS Service, Bluetooth Integration, Admob, OAuth, Urbain Air Ship, Push Notification, FTP Server API, Photo Gallery, RSS Feed Reader, Widget Api, WallPaper Live Framework, IME Keyboard, Audio/Video Steam, Git, SVN, LibGdx, Eclipse, etc

    Groups: Android, Application Developers Alliance

    $36.67 /hr
    7,300 hours
    4.82
  2. Ramesh V.

    Ramesh V. Agency Contractor

    Expert Java J2EE Developer

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

    I am an expert Java J2EE developer with 9 years of coding experience I provide outsourced services for Java, J2EE and Angular JS. I can handle a project from requirement gathering, analysis, design, coding (both backend and frontend), Junit Test cases and automation tests. Project Experiences: Yayo is an eCommerce platform stitched specifically for the needs of Film Production Companies. I have designed and developed API's for both mobile and Partners, built a portal for Production Company Managers. Involved in the development of a project Moose, which uses GWT and Sencha GXT. Also implemented Full Text Search in GAE by providing an objectify kind of framework. Designed and developed Sentinel project, which provides Guest Access Portal. Used Free Radius and Jradius modules to authenticate dynamically generated Guests. Sentinel has 3 modules, Admin Portal, Sponsor Portal and Guest Portal. Paladin MultiOS is a Wireless security deployment platform and device tracking/management platform. It provides a reliable and affordable solution for deploying and monitoring secure networks in the age of BYOD. This is deployed on Amazon EC2 linux with tomcat as web server. Eostis is one of the leading classifieds website in France. I have worked to move eostis from the old legacy system to Google App Engine and made it survive from the maintenance issues and frequent server deeds. Involved in the development of several live online projects like http://www.theflowerexpert.com , http://www.pickupflowers.com , http://www.giftsnideas.com and http://www.flowersforcelebrations.com. Migration of a legacy ehealth tool to web application (Central Configurator) by using Spring, Hibernate, Web Services and Ibatis. Migration of a command line tool to GWT + EXT GWT web application. Provided a Command Line Interface for a web application by using Web Services. Google App Engine Projects: Converting SAP reports from email attachments to google spreadsheets. Developed a GAE + Vaadin application for a sales company to maintain there whole inventory.

    Associated with: Soft Suave

    $33.33 /hr
    3,451 hours
    5.00
  3. Oleg Galant Agency Contractor

    Senior Java/J2EE Developer

    Ukraine - Last active: 09/17/2010 - Tests: 1

    Specialist with 10 years experience in software development. Over last 6 years I was working on web development using Java and related techs: JSF, Facelets, EJB2/3, JPA, Hibernate, Maven, HTML, DHTML, CSS, JavaScript. JBoss AS, Tomcat. Over last 5 years worked as team lead. Team and goal oriented.

    Associated with: KV4Solutions

    $33.33 /hr
    1,325 hours
    5.00
  4. Stanislav M.

    Stanislav M.

    Alfresco / Liferay / J2EE (Java) Senior Developer

    Germany - Last active: 12 days ago - Tests: 3

    I'm a great professional with 7+ years of real experience in Java-Web field. Reliable and goal-oriented I'll make your work done in a fast and high-qualified way. Key areas: J2EE; Alfresco 4.x - 5.x (Share Customization, Surf, Webscripts); Liferay Portal Customization; Activiti Workflow Engine; Spring Framework; WebServices (REST, Jersey, ...); ORM (JPA, Hibernate); My professional Liferay/Alfresco developer blog: http://www.soft29.info/blog

    $33.33 /hr
    1,566 hours
    4.99
  5. Alexey B.

    Alexey B. Agency Contractor

    Senior Java Developer / Team lead: Java/J2EE

    Ukraine - Last active: 1 day ago - Tests: 2 - Portfolio: 3

    IT-Specialist with more then 15 years experience in software development. Over last 12 years I was working on web sites/portals development using Java and related techs: JSF, Facelets, RichFaces, Spring, Seam, JPA, Hibernate, EJB, Portlets, Maven, HTML, DHTML, CSS, JavaScript. JBoss AS, JBoss Portal, Tomcat, AMF, BlazeDS, SOAP, JSON, XML. Over last 7 years worked as team lead/architect. Last 3 years spent as project manager for eCommerce platform server-side/portal development. Hardworking, team and goal oriented, challenge seeking, work well under pressure. Ready for sporadic overtime.

    Groups: Yahoo Web Hosting Designer

    Associated with: U268

    $33.33 /hr
    15,520 hours
    4.86
  6. David L.

    David L.

    Senior J2SE/J2EE, Javascript developer, Dojo Expert, AngularJS.

    China - Last active: 13 hours ago - Tests: 3

    Over the last 8 years, I have developed a wide range of web applications using Java, J2EE, WebService, Applet, HTML, DHTML, Javascript and MySQL, MSSQL, Oracle . I am seeking opportunities to build websites from the ground up for you or your business. Technical Skills: - Java - Core Java, J2EE - JDBC, JTA, JMS, Java Servlet, JSP - Web Services, XFire - Struts, Hibernate - JavaScript - Dojo Toolkit - Extjs - jQuery - AngularJS I also have some experience in the following areas: DOJO, SQL, Ajax, OOP, and software design and testing.

    Groups: Crossrider

    $55.56 /hr
    3,756 hours
    4.87
  7. Sunita M.

    Sunita M. Agency Contractor

    Senior Java/J2EE/Swing/Hibernate/GWT/JSP/PHP/Joomla Provider

    India - Last active: 2 months ago - Tests: 4

    Over the last more then 14.5 years, I have developed a wide range of products, tools and frameworks using JAVA, SWINGS, JNI ,JDBC , J2EE , Hibernate , JDO ,Servlet, JSP,GWT , MySQL,MSSQL,Postgree including JDBC,ODBC Driver for DaffodilDB, DaffodilReplicator, FrameWork in Swing,Hiberante,J2EE and GWT . My core competency lies in complete end-end management of Java project, and I am seeking opportunities to build applications your business. I also have some experience in the following areas: SQL,OOP, and software design and testing.

    Associated with: Balaji Software Pvt. Ltd. Hisar

    $45.56 /hr
    9,924 hours
    4.99
  8. Dmitri G. Agency Contractor

    TOP QUALIFIED JAVA|J2EE|FLEX|AS3 DEVELOPER | OnlyMega™

    Moldova - Last active: 11/01/2011 - Tests: 4 - Portfolio: 7

    Experienced developer with outstanding Java/J2EE and Flex skills. Have been working with all modern java techologies and related. Organized, realible, self-motivated and agile developer and project manager. I can take a project from the initial concept stages, create a system design and implement it successfully. Guaranteed qulity and in time delivery!!!!

    Associated with: ONLYMEGA Agency

    $40.00 /hr
    2,713 hours
    5.00
  9. RJ Ali

    RJ Ali

    J2EE/Spring/Hibernate/JSF/Mule ESB/Struts2/SAAS/AngularJS/REST/SOAP

    Pakistan - Last active: 13 hours ago - Tests: 2 - Portfolio: 4

    I am having more than 8 years experience in developing web based enterprise solutions using technologies like Java, J2EE, Struts, JSF, Spring, Hibernate, Rich Faces, Prime Faces, GWT, Smart GWT. Further Android, JBPM, Performance Tuning, Query Optimization, Code Profiling, Memory Leaks and Team management. I have experience in SaaS applications and integration technologies like web services(jax-ws,jax-rs), JMS (Jboss Hornet Queue, Active MQ), Amazone AWS, Sales Force and Enterprise Service Bus (ESB) specially Mule ESB, Apache Camal, Service Mix and WS02 ESB. I have been working on web based solutions since 2005 so I have experienced the evolution of web technologies starting from web 1.0, then ajaxifying web apps and then single page Rich Internet applications using GWT, Smart GWT, Angular JS, Html5, Css3, D3, JQuery, Ext JS etc. With this much experience in web technologies I can even work as Front End Developer and I have already DONE few jobs as front end developer. What kind of work I prefer to work is the long term nature and hourly jobs. I prefer to establish long term reliable and trust worthy relations.

    $33.33 /hr
    2,258 hours
    4.90
  10. Sharif Ul Islam

    Sharif Ul Islam

    Experienced J2EE Developer

    Bangladesh - Last active: 4 days ago - Tests: 1 - Portfolio: 7

    Total year of experience: Over 7 Years (7+) J2EE • Experienced Ofbiz, Opentaps developer. • Integrate Endicia, AMWS, Magento, EBay, ChannelAdvisor, Buy.com, Customize and integrate new features for CRM/SFA, Financials, Purchasing, Warehouse, Catalog with Opentaps. • Strong exposure to MVC Architecture using framework like Opentaps, Apache OFBiz • In-depth knowledge of Web Environment, B2B, B2C and Client/Server Architecture as well as distributed systems using JAVA and J2EE technologies • Huge experience working with Opentaps 1.3 - Opentaps 1.5 frameworks, which also includes GWT and Hibernate technologies. • Design and developed in J2EE, JSP, JSTL, Free Marker, Ant, Maven, TDD application, Hibernate, JDBC, XML, TOMCAT, Java API, JavaBeans, Servlets, J2SE, RMI etc. • Working on J2ME [MIDP, CLDC], BlazeDS environment in flex, PayPal SOAP Application Programming Interface (API) and service with JAVA and PHP. Online Payment to HSBC bank via their API, Xpath. • Working in Spring Framework, DWR for Ajax, Acegi Security, Site Mesh, log4j & Display Tag. • Application development using SOAP, JBoss, GlassFish, Tomcat, EJB, Rich Internet Application (RIA), JPA, Hibernate Search, Lucene (Indexing). Working on Maven, Canoo Web Test, Junit Test • J2ee Enterprise application design and development using JSF, EJB3, JPA and Hibernate. • Web services design, development and deployment in JBOSS and GlassFish application server, SOAP, JAX-WS, JAXB, JAXP, WSDL, XSD. • Strong knowledge in SDLC, Software requirements specification as well as J2EE Design Pattern. • Proficient in different IDE like IntelliJ IDEA, Eclipse3.4-3.5, Flex Builder 3, NetBeans 6.5. • Anroid and Black Berry application development [J2ME]. • Opentaps [Open source ERP and CRM] customization, add new module and customize existing feature, operate migration from MS CRM to opentaps and also work with opentaps and Magento, Amazon[FTP and Web service], Ixtens integration. • Integrate and Customize OpenBravo and Magento using Web Services. • Experience on Liferay Platform. Mobile Platform • Have good experience to work with Titanium Appcelerator platform to develop Android and IPhone applications as well as develop Android applications onto Java environment. Familiar with MacOS during work with IPhone applications. • I have 2 published app into Android market place and IPhone app store. App name: OpenVideo™, Application id; com.glowpoint.openvideomobile • Experience to integrate push notification service for Android and IPhone applications by using APNS and Urban Airship. Rich Internet Application (RIA): • Adobe Flex, Adobe AIR, Action Script 3, Blaze DS [Java remoting and web messaging technology] Environment in Flex, PHP-Flex. • Adobe Flex design and action script programming with java web services. • Design and development GWT-Ext RPC service development. Hibernate, Spring framework and JDBC DAO service design and development. • Design and develop application with ICEFaces 1.8, ICEPdf, JSF, Hibernate, Spring, ACEGI Security, EJB3 etc. • Good Experience with JQuery, JQGrid and JSON. • Have experienced to configure and develop applications using Oracle ADF Faces 11g, Oracle 11g, Jdeveloper 11g, EJB 3.0, Eclipse Link, JPA, JSF, Web Logic Server 11gR1. Server Configuration: • Configure and deploy the J2EE Application into Tomcat Application Server on Linux Platform. • Configure Subversion [Version Control] into Apache 2.0 Server on Linux Platform. • Open source application or tools configuration in Sun Solaris 10, Linux. • Configure & integrate PHP, Apache, Mysql, SVN Server in Sun Solaris 10 platform & CentOS 5. • JBOSS, Glassfish application Server configurations in Solaris and Linux. Database: • RDBMS experience in Oracle 9i, 10g, 11g, MySQL & MS SQL Server 2005. • Experience with HSQL. • Strong knowledge of data structure & analysis, SQL, database design process, finding and organizing the required information, dividing the information into tables, normalization rules etc. Analytical Skills: • Strong knowledge in SDLC, Software requirements specification as well as J2EE Design Pattern. • Experience in Technical documentation, Technical Design, Technical requirements, Technical Installation guide etc. • Experience to writing project proposal, analyze BRS, SRS, prepare financial proposal etc. • Able to work under tied schedule and meet dead line. Version Control: Experience with WinCVs, CVs, JIRA, FishEye, Scarab, Crucible, Tortoise SVN and CVs., Subversion, Trac, Hudson, ReadMine.

    $30.00 /hr
    1,808 hours
    5.00