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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, 32 J2EE projects are completed every quarter on Upwork.

32

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 4.78.

4.78
Last updated: August 1, 2015

Popular J2EE Searches

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  1. Giang Le

    Giang Le

    Full-Stack Groovy/Grails Developer

    Vietnam - Last active: 2 days ago - Tests: 5 - Portfolio: 3

    Full stack developer with lots of experience in Grails, Java, J2EE, Hibernate, Spring, Struts, SpringBoot. Professional and academic background on architecting and building Multi-Tenant Software as a Service. I am a member of jcabi team. jcabi is a collection of small and useful Java components, which are not big enough to make their own projects. (http://www.jcabi.com/) I am also proficient in making bots,web crawlers, email scrapers , automation tasks based on selenium web driver/htmlunit and jsoup. I have been heralded as the "bot master" by various clients I have worked with due to my outstanding performance in automation jobs. My skill sets include: * Languages: Java, Groovy, SQL, C, Ruby, CSS, HTML, JavaScript, PHP * Frameworks Grails, Bootstrap, Ruby on Rails, Hibernate, Hadoop, Spring, SpringBoot, YII, Laravel * Libraries/APIs Java Collections, jQuery UI, jQuery, JAX-RS, Google Gson, JavaMail, Amazon API, Asterisk-Java, Selenium, HTMLUnit, Jsoup * Databases: - Relational: Mysql, PostgreSQL, Oracle, DB2; - NoSQL: Redis, Memcached, SimpleDB; In my case, I enjoy working with small businesses and individual decision makers to provide architectural and custom business solutions that help my clients resolve mission-critical problems, grow their business, and improve their revenue stream and profitability.

    $33.33 /hr
    5,952 hours
    5.00
  2. Muhammad bilal H.

    Muhammad bilal H.

    Certified Message Broke / MQ / J2EE / SOA Integration Developer

    Pakistan - Last active: 1 day ago - Tests: 2 - Portfolio: 1

    Certified Websphere Message Broker, MQ, JAVA, JEE Consultant with have around 8 years of hands on Middleware Integration Desing and development experience. Excellent working knowledge of designing and developing high performance middleware integration services using different integration technologies; i.e. IBM Websphere Message Broker v7, v8, IBM Integration Bus v9, Message Queue (MQ), Business Process Manager, Business Monitor, Web Services etc. in SOA environment, Expertise: IBM WebSphere Message Broker v7 and v8, IBM Integration Bus (V9), IBM WebSphere MQ 7.0 and MQ 7.5, Business Process Manager, Business Monitor, Servlet, JSP Struts1.x, Struts2, Spring, Hibernate, Web Services, JSTL, XML, Tomcat, MySQL, IBM informix, IBM DB2, Postgres SQL,JBoss Seam, Excellent UI development skills using HTML, CSS Java Script Jquery, YUI, XHTM, I believe in top quality work. and I am here to provide top quality services to my clients.

    Groups: Oracle Certified Professionals

    $28.00 /hr
    830 hours
    4.87
  3. Priyamvid R.

    Priyamvid R.

    Excel Modelling Consultant with VBA Macro programming

    India - Last active: 25 days ago - Tests: 11 - Portfolio: 4

    Over the last 5 years, I have developed a wide range of models using Microsoft EXCEL, Access, VBA Macros, and SQL including forecasting, transactional and analytical models for startup companies and small businesses. My core competency lies in complete end-end management of a new excel modelling project, and I am seeking opportunities to build models from the ground up for you or your business. I also have some experience in the following areas: Business Analysis, SQL, Android apps, and software design and testing.

    $22.00 /hr
    259 hours
    4.85
  4. Vitali H.

    Vitali H.

    Software Architect / Developer, Java/J2EE, Android, Web

    Belarus - Last active: 1 month ago - Tests: 1

    Wide experience in software engineering. Languages: - Java (Spring, EJB, Jersey, Atmosphere, Hibernate, OpenJPA, JMS, OAuth, Morphia, Web Services (SOAP, REST), Android, GWT, JSF/JSP, Swing, etc), - HTML, CSS, XML, Javascript (jQuery, Prototype, etc), Databases: MySQL, PostgreSQL Oracle, MongoDB; SEO & User behavior tracking: Google Analytics, Yandex Metrika OS: Ubuntu, Debian, CentOS, Windows; Web servers: Apache, Nginx, Tomcat, Glassfish, Jetty; Other services & tools: SVN, Git, Red5, JasperReports, Maven, JProfiler, Zabbix, Sonar;

    $20.00 /hr
    22 hours
    5.00
  5. Alain C.

    Alain C.

    Java, Web and Google Maps Engineer

    United States - Last active: 1 month ago - Tests: 2 - Portfolio: 5

    Experienced professional with 6 years of experience of Java/J2EE web projects. I have a good knowledge of Google products and APIs as well (Google Maps, KML/KMZ). I also have a strong testing background (JUnit, JMock, Cobertura, Concordion, Selenium, Webdriver...) and developed a couple of testing frameworks based on these technologies. Specialties include: Java, J2EE, JEE, KML, KMZ, Google, Maps API, Javascript, AJAX, XML, SAX, DOM, JAXB

    Groups: Application Developers Alliance

    $74.00 /hr
    25 hours
    4.91
  6. RJ Ali

    RJ Ali

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

    Pakistan - Last active: 19 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
    2,617 hours
    4.90
  7. Mykhailo Smyrnov

    Mykhailo Smyrnov

    Java Developer

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

    I am a Java Developer with 3+ years of experience. I have skills in building Java-based web-applications using following technologies: - Core Java - JavaEE (Servlet, JSP, JSTL, JDBC, JPA) - Spring Framework (Spring MVC, Spring Security) - Hibernate - JavaScript (jQuery, AngularJS) - JUnit - Maven - Git I also have a great desire to start working with Scala-based technologies: Scala Lang, Play Framework, Akka, Slick. I am looking for opportunities to apply my skills. Additional language: Russian (fluent).

    $17.00 /hr
    1,790 hours
    5.00
  8. Nazar S.

    Nazar S.

    JavaScript / Java Web Developer

    Ukraine - Last active: 1 month ago - Tests: 5

    I am Oracle Certified Java Web Developer and I guarantee that the work I do won't be finished till you are 100% satisfied with the result. If you'll have any issues with my code - I will fix it for free. I do the work first and only if you are fully satisfied - we start a contract. This ensures that you pay for a perfect work. Skills: Java Core, J2EE, OOP, OOA, OOD, OOM, UML, Design Patterns, TDD, HTTP, FTP, TCP/IP, UDP, SMTP, Web Services, REST, Ant, Maven, Tomcat, DHC, SQLyong, JSP, JSTL, Velocity, VTL, Servlet API, JDBC, JUnit, JMA, Spring framework, Hibernate, JPA, SLF4J, Log4j, Reflection API, SQL, HQL, (X)HTML, HDOM, XML, JSON, CSS, JavaScript, AngularJS, RegExp, AJAX, JQuery, JQuery-UI, i18n, l10n, JSF, Facelets, RichFaces, PrimeFaces, PrettyFaces, Tomahawk, SVN, Git, Liquibase, PostgreSQL, MySQL, Oracle, JIRA, Mantis, Scrum, Objective-C, X-code, IntelliJ IDEA, Eclipse, NetBeans Interests: Gaining new professional skills and mastering them to perfection - that's my way. I am one of these 'lucky' people whose work is their hobby, interest and passion. Personal qualities: Openness to new ideas and concepts, positive attitude, possibility to work independently or as a part of team, honesty, responsibility.

    $12.00 /hr
    70 hours
    5.00
  9. Akbar A.

    Akbar A. Agency Contractor

    SugarCRM,PHP,MYSQL,Javascript,jQuery,AJAX Developer

    Pakistan - Last active: 2 days ago - Tests: 6 - Portfolio: 8

    Sugar CRM Expert, Have more than 4 year extensive Customization, Integration, Reporting and Workflow experience having command over SugarCRM framework, SOAP/REST API's **Other Technical Skills I have:** SugarCRM, HTML, PHP, AJAX, Java Script, Jquery, WordPress, Server administration, Data Bases using Oracle,MySQL and SQL, Relational Data Bases. C#, Dot NET, XML. Human Computer Interaction, Java. JMS, Web Services. Installation and Deployment of Eucalyptus Cloud.

    Groups: Bluehost Developers and Designers, Crossrider

    Associated with: Alleviant IT Solutions

    $15.00 /hr
    1,912 hours
    4.99
  10. Oleg Andreyev

    Oleg Andreyev Agency Contractor

    Java/J2EE/Android Developer

    Ukraine - Last active: 1 day ago - Tests: 3 - Portfolio: 4

    My main skills lie in the development of enterprise applications with Java EE and related tools. During recent years I was involved in development of the opentaps opensource ERP/CRM system and custom solutions based on opentaps/Apache OFBiz projects. I am able to develop rich web applications based on HTML5/JQuery/GWT, including sites with a focus on mobile devices. I am also Android developer. Have experience in creating client-server applications using Google Cloud Endpoints, App Engine and Restlet. Good knowledge of OSGi and the frameworks.

    Associated with: PowerLogic

    $25.00 /hr
    1,839 hours
    5.00