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. Jonathan C.

    Jonathan C.

    Consultant

    United Kingdom - Last active: 10 hours 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
    2,384 hours
    4.96
  2. Hoat Le

    Hoat Le Agency Contractor

    Full-Stack Developer

    Vietnam - Last active: 2 days ago - Tests: 14 - Portfolio: 7

    • I'm a talented Web and JavaScript developer. I've got extensive experience working with Java, JavaScript and Python. I'm also co-founder, team leader at Teracy where we do outsourcing and product development. • I'm expert in the following fields: JavaScript, Python, MySQL, PostgreSQL, Java, HTML5, CSS3, OOP, AJAX, XML, Design Patterns, software architecture, jQuery... • I'm looking for opportunity to use my working experience to build robust websites from ground up for your business.

    Associated with: Teracy, Kombai Team

    $33.33 /hr
    2,539 hours
    4.88
  3. Vo K.

    Vo K. Agency Contractor

    Senior EMR Java PHP C# Engineers

    Vietnam - Last active: 6 days ago - Tests: 3 - Portfolio: 5

    - Experience in application & web development experience in consulting, design, developing and maintenance on application software development including sales automation projects. - Good R&D, Specialist Electronic Medical Record and successfully to pass 2 International Certifications for US client: (E-Prescribing and ONC certification). Specialist in Agile Software Development by using OOP, Java, Ruby on Rails, TDD, SCRUM, XP, UML, Design Patterns - Work under pressure, make decision, solve problem quickly - Good work on Java J2EE, Spring, Struts, Play, JSF, JAVAFX, Vaadin, Tapestry,Wicket, FLEX, Spring, Struts, Hibernate Frameworks) - Experience working on C# WPF, WCF, METRO WIN 8, Silverlight,... - Experience on PHP: Yii, Codeigniter, Zend FW, CakePHP. Laravel. - Application Developer, Database Administrator. Particularly interested in client/server, WebService, Remote and relational database design using Oracle, NOSQL, MYSQL, and MS-SQL Server 2000, 2005. Javascripts: Jquery, Mootool, EXTJS, XML JSON,.. - OS: Linux, Centos, Fedora, Ubuntu, Windows, ... - Experience using GIT, VSS, SUBVERSION, GITLAB, GITHUB, - Specialist on Agile Methodology: SCRUM, XP using Mingle, Pivotal Tracker - Project: 1. RealEstate (www.diaoc24g.com) BY C#, ASP.NET 2. Ecommerce Travel Photos site (http://www.josephhendrixphotography.com) by C#, asp.net 3. PTS project ( PROTOTYPE TRACKING SYSTEM) for Chartered Semiconductor Manufacturing(J2EE, Spring, Struts, Hibernate). 4. 3 years worked for HEALTH CARE software:(Get Prescription' Certification of Surescripts(NEWRX, RXHUB, REFREQ, REFRES...) - Android for Health Care that help doctor check the patient from mobile Phone and synchronize data between Mobile Phone and Server Site. This function will help the doctor is easier to check inpatient, history visit, CPT, DX, ... - Worked HEALTH CARE SOFTWARE project, SuperEMR is a proven, affordable, and comprehensive electronic medical record system designed for small practices. Patient information including past medical and social history, encounters, diagnosis, medication, laboratory results, hospital reports, and medical imaging dicom results can all be stored electronically in secure databases. The system is web-based, allowing simple yet secure access to the patient information from anywhere and anytime. Daily remote backup in available for free for protection against system failures or natural disaster Development on this project (superemr.biz, superemr.com,superemrusa.net) Responsible for working with the client on implementation, fix bug, maintenance, managing project resources I did good job AND got the SURESCRIPTS AND RXHUB INTERNATIONAL CERTIFICATION for HEALTHCARE SOFTWARE (superemr.com). Work on DICOM open source project that used JAVA SWING to help the doctor can view XRAY, DICOM images, Web Application development. Database: MYSQL Client: US, Language: JAVA, WEBSERVICE, JNLP, PHP, webservice on UBUNTU, FEDORA

    Associated with: agileitvn

    $33.33 /hr
    1,272 hours
    5.00
  4. Fabio B.

    Fabio B.

    Software engineer

    Colombia - Last active: 3 months ago - Tests: 3

    I am a developer and architect with vast experience in many areas and languages. I love complex issues and especially am eager to jump on new challenges and learn new stuff. Expect well-delivered work above expectations with excellent documentation, reporting and communications. This is your chance to hire an experienced professional matured in Switzerland in high-demanding Swiss bank environments and now living in South America at unbeatable rates! And I fluently speak 7 languages...

    Groups: Crossrider

    $44.44 /hr
    265 hours
    5.00
  5. Alexander L.

    Alexander L.

    Java J2ee Master

    Ukraine - Last active: 11/27/2014 - Tests: 1 - Portfolio: 2

    With over 8 years of experience in IT, my goal is to build professional Java applications. My areas of expertise include a broad range of technical experience focused on software development and data design. In the last projects I've used Java-Swing, Applets, Java Processing 2.1, MT4j, JBoss 5.1, Oracle 9, YUI, Javascript, HTML, CSS, JDBC, EJB 2.1 and a lot of other libraries and technologies. Also I have some experience with Python.

    $150.00 /hr
    259 hours
    5.00
  6. Paruyr H.

    Paruyr H.

    Lead Java/JavaScript Engineer

    Armenia - Last active: 1 day ago - Tests: 2 - Portfolio: 7

    Over the last 8+ years, I am working as java software developer, mainly specializing on web and/or mobile based applications development. I'm creating Single Page Applications with RESTFul API support and/or any type of applications based on Java/JavaScript.

    Groups: Application Developers Alliance

    $33.33 /hr
    3,546 hours
    4.82
  7. Amir P.

    Amir P.

    Agile Project Manager

    Canada - Last active: 04/19/2011 - Tests: 1

    - PMP, PSM 1 Certified. - Masters of Computer Science. - Expert in product and project development in IT industry. - In-depth knowledge and experience of Agility for product and project development using Scrum, Kanban, Scaled Agile Framework (SAFe), Continuous Integration, and Extreme Programming. - Have more than 12 years of working experience in different domains of software developments in various sizes of IT enterprises. (co-located and remote) - In-depth knowledge and experience of different development architecture such as Service-oriented architecture (SOA), Cloud, Mobile Development and etc.

    $50.00 /hr
    0 hours
    5.00
  8. Leonardo Pelegrini

    Leonardo Pelegrini

    Senior Systems/Business Analyst (15 years Exp.)

    Brazil - Last active: 07/18/2013 - Tests: 2 - Portfolio: 6

    Experienced Business and Systems Analyst, J2EE Certified Architect and Programmer. Post Graduate degree in Web-Based Software Development. Have been working with system development for the last 15 years, 8 of it eliciting requirements and building knowledge base for IT systems. Expertise in business, functional and technical levels. Also a specialist in requirements management, traceability, impact analysis and reverse engineering from source code. Strong ability to communicate with developers, management and customers, to keep every party at the same page, while detailing and approving the given solution. Technical Writing skills and 4 years work using English. Also a committed and collaborative professional who fits very well with the culture of remote teamwork. Primary services : ► System design using UML 2.0 diagrams (structure and behavior) : Use Case, Class, Sequence, Component, Deployment. ► Business process modeling using BPMN 2.0 ► Requirements gathering to use cases and user stories. ► Software Requirements Specification ► Agile-related: Product backlog, sprint planning, sizing, review and management. ► Requirements management and Integrated Change Control ► Create traceability between documentation and source code ► Reverse engineer legacy code to documentation ► Work in Strategic Planning and Project Management areas

    $66.67 /hr
    0 hours
    5.00
  9. Alexey Zolotarev

    Alexey Zolotarev

    Program / Project Manager with strong technical background

    Russia - Last active: 06/27/2014 - Tests: 7 - Portfolio: 1

    Over the last 4 years, I have managed to deliver variety of platforms for telecommunications and investment banking as a supervisor In addition, I have 5 years of hands on experience with Java Enterprise and Open source technology stack I should also mention that I have vast experience with agile scrum methodology, but I'm not pursuing its usage in every project, cause there is no "one size fits all" in real life At my last position I managed portfolio of 3 high tech products, having more than 8,000 cores and installed in 7 locations worldwide. I managed team of 30 + 10 vendors and built local team. Also I created SL3 and SL4 support processes from scratch and significantly tuned software development process in distributed team in 4 locations Currently I'm seeking opportunities in program and project management in mid-size or small enterprise with limited amount of bureaucracy Eligible to work in different time zone and travel to client

    $40.00 /hr
    0 hours
    5.00