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. Dimitris Manikis

    Dimitris Manikis

    Software Architect

    Greece - Last active: 19 hours ago - Tests: 1

    Software architect and solutions architect experienced in Enterprise Architecture, SOA, Telecoms, Machine Learning, Information Retrieval, Data Mining with focus to solutions based on open standards and open source software. Software Development experience since 1994. Last 10+ years working mainly with Java based technologies. Quick learner, self motivated, passionate about learning new technologies, have worked in a couple of start-ups from the ground up and in various areas of an enterprise such as architecture, software development, R&D, business development and project management.

    $55.56 /hr
    3,511 hours
    5.00
  2. Nikolay C.

    Nikolay C.

    Brainbench certified JSE/JEE dev, DB dev, Sys-Arch

    Ukraine - Last active: 19 hours ago - Tests: 2 - Portfolio: 11

    Would you like to find a powerful Java-dev? If so, please read further... 1. Intentions I'm working as a free-lancer more than 2 years already, and worked > 12 years in scientific and software engineering areas. I'm here because I'm looking worldwide for interesting work related to software development using the following technologies (some or all): - Java 5/6/7 (JSE, Swing, CORBA, Web Services, etc.) - JEE5/6 (EJB3, JSF, Hibernate, etc.) - GWT, Spring, Struts, etc. - And other JSE/JEE-related frameworks - GlassFish, Tomcat, JBoss, Jetty, etc. - JME (CLDC 1.1, MIDP 2.0) and Android - Maven, Ant, etc. - Oracle, MySQL, PostgreSQL and other DBMS - Some sub-tasks could be related to C/C++ with STL (but NOT the whole project!) - UML and/or Agile Modeling - Well-organized Agile processes - Etc. It would be nice to be involved into software concepts and architecture development. Also it would be nice to have possibilities for applying my initiative and creativity. I'm ready to work as a free-lancer for the beginning up to 40+ hours per week), and you may hire me as a full-time employee as well. I'm ready to move mostly to any country or city. In such case I'm ready to start as a developer (or senior developer), but with possibility to grow up to TL, and further up to SA or PM (of course, starting from TL or SA would be nice). 2. Education - University Master Degree in the area of Informatics and Computer Systems 3. General Skills I have a wide working and scientific experience with dozens of technologies (> 14 years). The most deep experience I have with the following techs: - JSE5/6 and J2SE (Java Core, Multithreading, AWT, Java2D, Swing, CORBA, WebServices, Networking, etc.) - since 1998 - JEE5 (EJB3, Hibernate3, JSF, CometD, Jetty, Tomcat, JBoss, GlassFish) - about of 5 years - J2ME (CLDC 1.1, MIDP 2.0, WMA) - about a year - Other Java techs (Jakarta Commons, Log4J, Velocity, Maven, Ant, etc.) - many years - Android development (support about 0.5 years) - C/C++ and STL - since 1995 (STL from 2001) - Oracle 9i/10g, MySQL, PostgreSQL, InterBase - since 2000 - OOA/OOD/OOP and UML Modeling - since 1995 (UML from 2001) Large experience with the following platforms and tools: - Windows - since 1995 - Linux/UNIX - since 1997 - MS Office (incl. Visio and Project) and Star/OpenOffice - since 1997 - IntelliJ IDEA, NetBeans, Eclipse - since 2001 - C++Builder and Delphi - since 2000 - PL/SQL Developer - since 2005 - Enterprise Architect and other UML tools (Rational Rose, Poseidon, etc.) - since 2001 Git, SVN and CVS - since 2001 Management Skills - since 2004 (worked on TL and PM positions) Architect Skills - since 2000 (designing concepts, business models and architectures for quite complex scientific, B2C and B2B applications) Language Skills: - Russian - native - English - fluent, working language since 2001, ~1000 pages of docs written - German - intermediate (quite fluent, but non-perfect) - Ukrainian - can understand in 100%, cannot speak/write fluently 4. Contacts - You can contact me via oDesk. Usually online (GMT): - 10:00am - 5:00pm - 7:00pm - 10:00pm

    $40.00 /hr
    14,250 hours
    5.00
  3. Raul F.

    Raul F.

    Full-stack developer and marketplace integration specialist

    Spain - Last active: 19 hours ago - Tests: 2 - Portfolio: 8

    Marketplace integration specialist (Ebay/Etsy/Amazon/Shopify/Paypal/Magento). Ebay API, Amazon MWS AWS, Etsy API, Magento,... - Java Programmer Certified - Backend: Java, PHP - Frontend: Bower, Grunt, Angular JS, jQuery, HTML5, SSE. Twitter-Bootstrap. - Technologies: Spring Framework, Hibernate, MyBatis, Iron.io, memcache, jUnit, Maven, Git, AWS, GAE - Experience in BPM/Cloud services. Cordys Fundamentas and Cordys BPMS certified. - Experience in agile methodologies (SCRUM). Degree in Computer Sciences. Visit my portfolio: http://rfvallina.com

    Groups: Application Developers Alliance, ebay

    $55.56 /hr
    1,813 hours
    4.90
  4. Stanislav M.

    Stanislav M.

    Alfresco / Liferay / J2EE (Java) Senior Developer

    Germany - Last active: 17 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. Jonathan C.

    Jonathan C.

    Consultant

    United Kingdom - Last active: 4 days ago - Tests: 1

    I have a UK university PhD, in Artificial Intelligence, and the business management skills to match, together With 15 years of Delphi, C++, Java, SQL, and Object-oriented analysis and design experience. I specialise in development including protocol specification, thread management, distributed communication and database transaction management. I have retro-fitted software in tasks ranging from installing improved modules to sophisticated Artificial Intelligence sub-systems. I can provide the often essential empathy with the contract holders, and the pragmatics to satisfy the demands of management. I have 20 years of competency in the software industry, and have a proven track record that will guarantee the successful realisation of your system requirements. I have designed and implemented systems used by multi-billion turnover corporations around the world, saving millions of pounds savings per year. My scope in system design and development ranges from individual utilities and embedded operating systems, through to large-scale corporation-wide distributed architectures. I am also able to provide a code debugging and fixing service, either onsite or online. I can give workshops and can facilitate training of new software developers, both in-house and online. I have managed my own team and maintained their skills matrices, ensuring training has been current. I have defined and managed new product releases and have written instruction manuals for new and "super" users at the customer end of the project.

    $105.56 /hr
    2,418 hours
    4.96
  6. Ashish Kumar

    Ashish Kumar

    Java,SOA,Mule ESB ,Hadoop,Jenkins,Spring,Cassandra,MongoDB

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

    Developed wide range of websites using Server Side Technologies :- Java,J2ee,Spring (Spring AOP, Spring Dependency Injection, Spring MVC,Spring Security,Spring WebServices, Spring Social ), Hibernate, Struts 2, MULE ESB . Spring -Jersey REST. Client Side Technologies Extjs 4. Sencha Touch 2, Jquery 1.7 , Dojo .HTML 5 , Css3 , Ajax . Databases :- NOSQL :MongoDB , Cassandra PLSQL : Oracle , Mysql, Sybase Cache : Ehcache , Memcache and Gemfire JMS & AMQP : (Active MQ , Rabbit MQ , QPid ) SOA : Service Oriented Architecture using Spring BPM : JBPM and Drools Testing Mockito , Spring JUnits , JMOCK , Cucumber. Continuous Integration : Jenkins Version Management :- SVN , CVS and Git hub Server :- Tomcat , JBoss and IBM WAS Data analytic and Management : Hadoop and Big Data 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.

    $50.00 /hr
    3,422 hours
    4.89
  7. Lei L.

    Lei L.

    Experienced J2EE/.Net, Delphi Developer,Oracle Fusion Middleware

    China - Last active: 1 month ago - Tests: 8 - Portfolio: 9

    Over the last 10 years, I have developed many enterprise level business applications using Html, Flex, J2EE, Resin/Tomcat, IBM WebSphere/Bea Weblogic, Oracle/MySQL for medium/large companies and medium businesses in Oil & Gas industry.My main customers are PetroChina,Sinopec,Haier. (NOTE:These experiences are not included in my "Portfolio" section, Because they are deployed in enterprise's internal environment and invisible to public) My personal interests are making desktop application using C#,Delphi,VB.I have developed many productions, Some of them can be found in my "Portfolio" section. I also provide English to Chinese translation services and Software/Website localization services. As a professional person, Supply best services to employer is my duty, And customer satisfaction is my eternal pursue.And i also believe "Cooperative Relationship" will better than "Employment Relation". "Good communication is the foundation of a successful project".

    $35.00 /hr
    246 hours
    5.00
  8. Rida BENHAMMANE

    Rida BENHAMMANE

    Sr. Java Developer/Architect, Oracle Certified

    Morocco - Last active: 19 hours ago - Tests: 10 - Portfolio: 3

    I'm a senior Java/Jee developer/architect with +9 years of experience and Oracle programmer/developer certified (SCJP, SCWCD, SCBCD & SCJDWS). I'm well-versed in backend development as well as frontend development. In the backend, I have used plenty of Jee frameworks, from the core Jee APIs (EJB, JPA, JAX-WS, JAX-RS ...) to the other Jee frameworks (Spring, Struts, Hibernate ...). I have also done some Php development using raw Php, CodeIgniter and Laravel. In the frontend, I have been developing SPAs for about 3 years, using frameworks like Backbone and Angular and some other cool frameworks libraries like: jQuery, underscoreJS, requireJS ... Other skills that I'm also experienced in are: Unix/Linux scripting, SVN/CVS/Git versions control systems, Oracle/MySQL/PostgreSQL databases, ANT/Maven build tools, Tomcat web container, Apache web server ... In addition to my years of experience, I hold a engineering degree, in computer science.

    Groups: Sun Certified Professionals

    $111.11 /hr
    833 hours
    4.99
  9. Thomas Luca

    Thomas Luca

    Web Developer | Ruby, Rails, Python, AngularJS

    Canada - Last active: 19 hours ago - Tests: 5 - Portfolio: 2

    Full-stack web developer with over 7 years of experience in delivering software products to market. I've extensively participated in projects leveraging Ruby, JavaScript(both client- and server-side with AngularJS and NodeJS), Python, Java, .NET, MySQL, PostgreSQL, CouchDB, MongoDB, as well as numerous related frameworks/technologies. I value clear and honest communication and aim to deliver simple and effective solutions to the tasks at hand. Skills - C++/.NET/Ruby/JRuby/PHP - Ruby on Rails/Django/Spring/CMS(RefineryCMS, LocomotiveCMS)/Spree & Shopify - Front-end with HTML5/CSS3/Javascript(AngularJS, NodeJS) - Data Visualization(d3.js, highcharts,js, jQuery.flot) - Integrating APIs(pyament gateways, social apis, various third party APIs) - Hosting server management(Heroku, AWS EC2, Digital Ocean, Linode) - Git/Github/Bitbucket/SVN - AND MUCH MORE...

    $50.00 /hr
    474 hours
    5.00
  10. Denis M.

    Denis M. Agency Contractor

    Senior C++ Developer

    Russia - Last active: 3 days ago - Tests: 1

    For long years of my experience, I finished different kinds of projects. Now in every project I easily can show all my professionalism and high quality. I’m interested in projects where I could apply all my technical and communication skills. I have responsibility to manage projects and share my experience with young developers and help them to solve difficult problems.

    Associated with: ISS Art, LLC

    $36.11 /hr
    4,507 hours
    5.00