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Post your Java projects on Upwork and hire expert software engineers and senior Java developers. They can create mobile applications for Android and iOS, redevelop Android widgets, modify and add new Java scripts to your custom Java software, or develop GUI applications with the Swing GUI widget toolkit. The java developers on Upwork are experienced in Java persistence frameworks (like Hibernate), web development, security or database frameworks and Java project lifecycle management tools (like Maven). They can also check, fix or add new Java classes into your Java code, or manage your software debugging, quality control software development or testing tool programming.

Java is a class-based, object-oriented computer programming language that is ideal for cross-platform application development. It comes with a library of commonly used classes and utility functions, called the Java API. On Upwork, the world’s largest online workplace, companies hire experienced Java architects and software engineers to develop all kinds of cross-platform applications, from torrent clients and media players, to helpdesk tools and mobile apps.

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Java Job Cost Overview

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

Upwork Java Jobs Completed Quarterly

On average, 489 Java projects are completed every quarter on Upwork.

489

Time to Complete Upwork Java Jobs

Time needed to complete a Java project on Upwork.

Average Java Freelancer Feedback Score

Java Upwork freelancers typically receive a client rating of 4.72.

4.72
Last updated: August 1, 2015
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  1. Anton Kharuzhyi

    Java Web / Desktop Developer

    Belarus - Tests: 4

    I have worked with various Java technologies for over 5 years, with 1 year of professional experience.

    $11.11 /hr
    1,396 hours
    0.00
  2. Ivan javier R.

    Ivan javier R. Agency Contractor

    Java developer, Web programming, Desktop Applications.

    Colombia - Tests: 1

    Over the 5 last years, I have developed applications in java and in the last 4 years web applications using gwt. I also have experience using the following tecnologies: hibernate, ibatis, jasper report, apache poi, c++, sql.

    Associated with: BGX

    $18.00 /hr
    10,657 hours
    5.00
  3. Ostap M.

    Ostap M. Agency Contractor

    Java Developer

    Ukraine - Tests: 3 - Portfolio: 3

    I am Java Developer with more 3 years of experience. I have developed many projects using modern frameworks and able to learn new one quickly if needed. Before I worked as team member developing networking client-server application and some web projects using MVC frameworks or plain JSP/Servlets. Languages : Java, Python Technologies : JSP, Servlets, JDBC, Web Services, REST Databases : MySQL Frameworks/Libraries: Spring, Hibernate(JPA) , JUnit, JavaFx, Netty Design skills: OOP, Gof patterns, UML Software Development Methodology: Agile, XP, TDD Tools: Maven, SVN, Git, Jenkins IDE: Intellij Idea, NetBeans Other: HTML, JavaScript, jQuery, XML, JSON, JIRA

    Groups: Corona Labs

    Associated with: Progost

    $22.22 /hr
    189 hours
    4.15
  4. Ben afia S.

    Ben afia S.

    Java Developer

    Tunisia - Tests: 4 - Portfolio: 2

    I'm a web and software developer having more than 5 years of experience in advanced textual search best practices. I can ensure high quality work in: - HMI: Flex , GWT, JQuery - JEE: Spring Framework, Hibernate, Lucene, - Reporting: Jasper report, Quark Xpress, iText, ... - DB: Postgres, Oracle, Mysql, Firebird - Servers: WAS 6.1 & 7, Weblogic, JBoss Seam, Tomcat - JSMPP, MMS, PUSH, Cisco CTI

    $22.22 /hr
    423 hours
    4.54
  5. Sergey Gladunov

    Java developer

    Ukraine - Tests: 1

    Professional programming since 1999, Java development since 2003.

    $27.78 /hr
    8,558 hours
    5.00
  6. Alexander Glebov

    Alexander Glebov

    Senior JAVA Developer, JAVA Architect, Project Manager

    Russia - Tests: 1

    My latest achievement is Full-stack rich web application development. I'm using AngularJS and Bootstrap for the front-end. RESTful back-end powered by Java and following frameworks: Jackson serializes JSON, Spring for controllers and services, Hibernate as data mapper. • Having overall 15 years of professional experience. 12 years of Java development experience, 3 years of experience in Project Management • Expertise in database driven J2EE Development. Distributed and Clustered Application. Client-Server TCP-IP socket Application. • Experience in Project Management • Experience in Oracle and MySQL Database Administration • I have the ability to define system architecture, ability to research and fix non-trivial bugs, ability to fine tune system performance (optimizing DB queries, minimizing distributed calls, tuning GC parameters etc.). Teamwork rate high.

    $55.56 /hr
    1,768 hours
    5.00
  7. Juan David Gil Diaz

    Juan David Gil Diaz

    Not Another Java Programmer

    Colombia - Tests: 6 - Portfolio: 1

    During the last years, I have been working as an employee as well as an academical student/researcher with J2EE Web and J2SE stand-alone environments. During the last year I worked for PSL (www.psl.com.co), CMMI level 5 company qualified for their good practices and awarded with the Software Process Achievement Award by the IEEE and the SEI (Software Engineering Institute). In PSL I developed some modules for a large Web proyect called Impacta, sold to a important motorcycles assembler in Colombia. Impacta is a Web application module that communicates with the company's ERP through Web-services, it has a multi-layer arquitecture that supports a with a CRM like functionality. Impacta uses JSF(Java Server Faces) for its presentation-layer, along with Ajax, in its business-layer uses pure Java integrated with Spring and Web- Services(Xfire) and in its persistence-layer, a PSL's propietary persistence framework was used against an Oracle DB.

    $25.00 /hr
    2,677 hours
    4.95
  8. Nikolay G.

    Nikolay G.

    Technical Lead (Java)

    Russia - Tests: 8 - Portfolio: 2

    I'm an experienced Java programmer with solid principles in programming, architecture and code quality. I have a wide experience in Java-related technologies, so I can provide you high-level end product. I love to learn new technologies, frameworks etc, so research projects will be also interested for me. NOTE: If you are looking for bad quality, cheap, fast written code - do not distirb me, please. I'm not interested in working in a team which don't follow clean code, DRY and SOLID principles.

    $30.00 /hr
    1,037 hours
    4.86
  9. Diwas Pathak

    Diwas Pathak

    Experienced Java Developer

    Nepal - Tests: 2 - Portfolio: 4

    I've been in the web/mobile development field for more than 6 years. When I started developing JavaEE applications for a local company. I've worked on a variety of applications using numerous frameworks like struts, spring MVC, hibernate,JSF,etc. Most of my web application has been developed using MVC design pattern. I am able to not only build applications from the ground up but also to add functionalities to existing application, open source and commercial applications. As an experienced Developer i give special attention in the security and understand risk involved in web application. Apart from being a web developer I am also a experience with databases like MsSql, MySql,CTree,etc. Besides this I use to teach Java courses to professional working in other companies and Engineering students.

    $12.22 /hr
    131 hours
    4.77
  10. Roman S.

    Roman S.

    Java/Android Software Engineer

    Ukraine - Tests: 3

    Over the last 5 years I've developed a wide range of Android apps. Currently participates in the development of applications for the Android and BlackBerry mobile platforms. Successfully participated in the design and development of many small-sized, medium and large projects. Apart from development, was also responsible for project management, in particular these were healthcare, entertainment, and educational development projects.

    $20.00 /hr
    170 hours
    5.00