Core Java Developers & Programmers

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Core Java Job Cost Overview

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

Upwork Core Java Jobs Completed Quarterly

On average, 407 Core Java projects are completed every quarter on Upwork.

407

Time to Complete Upwork Core Java Jobs

Time needed to complete a Core Java project on Upwork.

Average Core Java Freelancer Feedback Score

Core Java Upwork freelancers typically receive a client rating of 4.68.

4.68
Last updated: May 1, 2015

Popular Core Java Searches

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  1. David L.

    David L.

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

    China - Last active: 1 day 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
    3,754 hours
    4.87
  2. Ashish Kumar

    Ashish Kumar

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

    India - Last active: 24 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
    3,420 hours
    4.89
  3. Victor V.

    Victor V.

    Java/J2EE/ SQL / Software Architect/ Sencha Extjs Developer/ AngularJs

    Russia - Last active: 1 day ago - Tests: 5 - Portfolio: 2

    ✔ Java, J2EE, Spring (MVC/Security/Rest), JSF, Hibernate, Hibernate Search(Lucene), JSP, JSTL, Apache Tomcat ✔ MySQL, Oracle, PostgreSQL ✔ Javascript, AngularJS, doT.js, Sencha(Extjs 4.x), jQuery ✔ HTML5, CSS3 ✔ SVN, GIT I'm an experienced Java programmer with solid principles in programming, architecture and code quality. Working in web development for over 7 years I gained considerable experience in building business solutions using such languages as Java, Javascript(ExtJs, JQuery), SQL, Bash-scripting, HTML5, CSS3. Over the last four years I have been working for such companies as "Firejack Technologies", "Bank of America", "Millenial Media" etc, so i gained considerable experience in the designing of web applications architecture. I like to learn new technologies, frameworks etc, so research projects will be also interested for me.

    $35.00 /hr
    6,038 hours
    5.00
  4. Alexey Dubrov

    Alexey Dubrov

    Java Solutions Architect

    Belarus - Last active: 1 day ago - Tests: 2

    High skilled Java Developer. My specialization is web/backend development using such technologies as Hibernate, Spring (MVC, Security), JSP/JSTL, Tomcat, JavaScript/JQuery, Maven, RESTful API, Web Services (SOAP). Any desktop (using Swing) development also can be provided as well as utility program development and multi-threaded systems. I'm looking for customers for a long-term cooperation. I would like to offer you my skills and expereince to solve your issues.

    $38.89 /hr
    1,403 hours
    5.00
  5. David M.

    David M.

    Expert Excel VBA/C# Developer and Oracle-Certified Java Programmer

    United States - Last active: 4 days ago - Tests: 7 - Portfolio: 1

    I'm an expert Excel VBA/C# Developer with over 6 years of experience in developing Excel Macros, Add-Ins and Advanced Spreadsheet Applications. I can streamline your reporting, automate your spreadsheets, as well as create full-scale dashboard applications and powerful add-ins. I have tested within the top 30% of all VBA Programmers, as well as within the top 20% in Microsoft Excel on oDesk's sister site, Elance.com. I am also an Oracle Certified Java Programmer with experience in Finance, Statistics, Game Development, Data Analysis and Application Development. Tested as above average in knowledge of the Java SE7 programming language among certified Java Programmers on oDesk.com. I am skilled in Visual Basic for Applications (VBA), testing within the top 30% of all VBA Programmers, as well as within the top 20% in Microsoft Excel on oDesk's sister site, Elance.com. I have experience in Macro Development and Excel Add-In Development such as Web Scraping and Advanced Automation and Calculation for numerous uses, utilizing C#. Over 6 years of Programming experience. Responsible for developing highly sophisticated Excel Spreadsheets for High Profile Banking Transfer Agency, increasing productivity in that area by over 90%. I enjoy what I do.

    $72.22 /hr
    842 hours
    5.00
  6. Anuradha Gunasekara

    Anuradha Gunasekara

    Java Software Consultant

    Sri Lanka - Last active: 6 days ago - Tests: 1

    - a Java Client/IDE Tooling 8*-development experience, Including both *Netbeans and *Eclipse Platforms. - a Passionate and dedicated open-source contributor. - Specialised in integrating technologies together. - a Professional certifications from Sun Microsystems on Java Technologies. - a Sun Microsystems/NetBeans Innovators Grant Gold Award Medalist http://netbeans.org/grant/ Specialties: Java SE/EE, Open Source, Netbeans RCP/Swing, Eclipse RCP/SWT/RAP,RAP,OSGi, Maven, Tycho,IDE Tooling., Task-focused interface,EMF,JavaFX, M2T(Acceleo),

    $35.00 /hr
    272 hours
    5.00
  7. Bigyan Shrestha

    Bigyan Shrestha

    Software Engineer

    Nepal - Last active: 1 month ago - Tests: 4

    I have 2+ years experience in software development as a Software Engineer. * Languages: Java, PHP, Common LISP, C/C++, python * OS: Linux (Redhat, Debian), Windows * Databases: MySQL,Oracle, MsSQL, SQLite, Berkeley DB * Miscellaneous: # HTTP, SOAP, Web services # JBoss, Apache Tomcat, Slide (WebDAV) # Ant, Maven, Bamboo, SVN, CVS, GIT ** Specialties: Research, design, development, and testing of enterprise and desktop applications. Release engineering and tools development more info: http://np.linkedin.com/in/bigee

    $44.44 /hr
    13 hours
    4.94
  8. Pedro Tavares

    Pedro Tavares

    Java | GWT | Spring | Mobile Cloud Consultant

    Ireland - Last active: 8 days ago - Tests: 2 - Portfolio: 1

    Pedro is a Java/J2EE/JEE Consultant end-to-end Developer and Architect with over 15 years experience, in sectors such as Healthcare, Telecoms, Banking/Payments and the Public Sector. Master in Java, in the top 5% as tested by Smarterer.com Expert in Spring, top 10% http://smarterer.com/PedroTavares Also on: linkedin.com/in/pedroalexandretavares Pedro has experience across the full Software Development Life Cycle (SDLC), being an enthusiast of Lightweight/POJOs design, Agile Methodologies, SCRUM and Test Driven Development (TDD).

    $40.00 /hr
    6 hours
    5.00
  9. Sara S.

    Sara S. Agency Contractor

    United States - Last active: 8 days ago - Tests: 2 - Portfolio: 4

    The revelbliss team has come together from a desire to produce quality products. We are a team of hand picked individuals who have all excelled in our own careers but have decided not to take the corporate route and actually dedicate a little more attention to our customers and our products. Yes, we are a just another startup made up of brilliant minds, that individually have the track record to prove it. At revelbliss, our main goal is to take the process of app creation and make it straightfoward, concise and keep you involved every step of the way. We are here to create your brain child, and we vow to keep the integrity of your idea intact from the whiteboard to app store. Here is a closer look at the journey that will turn your brilliant idea into a reality.

    Associated with: RevelBliss, LLC

    $55.56 /hr
    665 hours
    4.94
  10. 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