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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. Oleg Yatskiv

    Oleg Yatskiv

    Java Developer

    Ukraine - Tests: 3 - Portfolio: 5

    My personal experience in software industry is 2 years for the leading software company. I was working on more than three projects, carried out planning/estimation. I have experience in developing REST-full web services, complex server side solutions, integration testing. automated testing, scoping, and executing tests of new and existing features across projects, requirements management and development, and collaborated closely with Product Owners and the entire development team. I am reliable, flexible, and adaptable person being able to learn fast and to handle complex tasks.

    $30.00 /hr
    337 hours
    5.00
  2. Danijel Jambrečina

    Danijel Jambrečina

    Java developer

    Croatia - Tests: 8

    I'm a master of science in Information and Communication Technology. Over the last 5 years I have worked on several projects with several different technologies. I prefer Java, but also have experience with ASP.NET and C#. I also have experience with databases (PostgreSQL, MySQL) as well as with HTML, CSS and PHP. For more details, check my LinkedIn profile: http://www.linkedin.com/profile/view?id=212992409

    $16.67 /hr
    0 hours
    5.00
  3. Kirill Vlasov

    Kirill Vlasov

    Java Developer

    Russia - Tests: 6

    I have developed various server software for more than 10 years. I have mainly worked with: - Java 7/8 - Spring framework and MVC - Hibernate ORM - PostgreSQL as relation database I offer not only development but also analyzing requirements and development, providing architectural engineering, QA and software testing automatisation.

    $18.89 /hr
    0 hours
    5.00
  4. Minh N.

    Minh N.

    Experienced Java Developer

    Vietnam - Tests: 2

    - Over twelve years' experience in software development using JAVA. - Strong experience in the analysis, design, development and implementation of web applications using JAVA frameworks. - Strong experience in databases: MySQL, PostgreSQL and Oracle. - Strong skills included Java/JSP/Servlet, JavaScript/HTML/CSS, GWT, Spring, Hibernate, Tapestry, Struts. - Good knowledge in Android programming. - Good knowledge in other programming languages such as C/C++, C#, PHP and Erlang. - Good English in communication skills. - Worked as a team leader in both independent and inter-dependent environments.

    $20.00 /hr
    41 hours
    5.00
  5. Nazar S.

    Nazar S.

    JavaScript / Java Web Developer

    Ukraine - 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, TDD, UML, HTTP, FTP, TCP/IP, UDP, SMTP, Web Services, REST, Ant, Maven, Tomcat, Bamboo, DHC, SQLyog, Design Patterns, JSP, JSTL, Velocity, VTL, Servlet API, JDBC, Selenium, JUnit, jMock, Mockito, PowerMock, JAXB, Guava, Quartz Scheduler, Lucene, Atlassian SDK, Groovy, JMA, Spring framework, Hibernate, JPA, JTA, SLF4J, Log4j, Reflection API, NIO.2, SQL, PL/SQL, HQL, (X)HTML, HDOM, XML, JSON, CSS, JavaScript, AngularJS, D3, SVG, RegExp, AJAX, JQuery, JQuery-UI, YUI Compress, TagCanvas, CKEditor, i18n, l10n, JSF, Facelets, RichFaces, PrimeFaces, PrettyFaces, Tomahawk, SVN (TortoiseSVN), Git (SourceTree), Liquibase, PostgreSQL, MySQL, Oracle, MongoDB, JIRA, Mantis, Stripe API, Streak API, Linux, Scrum, Objective-C, X-code, IntelliJ IDEA, Eclipse, NetBeans, 0xDBE, Linux, english (written/spoken, intermediate level), Soft skills.] 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.

    $16.00 /hr
    70 hours
    5.00
  6. Maxim A.

    Maxim A.

    C++/C#/Java Developer

    Ukraine - Tests: 4

    Hi everybody! I'm experienced developer from Ukraine. I'm writing a quality source code. My applications is using design patterns successfully. My source code is lightweight, flexible, easy to understanding. 10 years experience in a development of applications using C#, C++, Objective-C, Java, PHP, and MSSQL/MySQL/PostgreSQL/Oracle Stack of programming languages: Desktop Application (Windows): C# (with C++ for performance) Web-sites: PHP, CGI(C++), ASP.NET Web application/services: Java, ASP.NET Sometimes I'm developing mobile application for IPhone, Windows Mobile. My experience is advanced in the following area: - Multi-threading programming. - XML technologies - WPF (MVVM) - Socket programming - Autogeneration of source codes As unit-tests framework I'm using NUnit and JUnit I like the Scrum methodology and I try to use it. I have a following infrastructure (it ready to use in your project) Bug tracking: Jira Continuous Integration: Hudson (nightly build, autotest) Version control: Svn, Git Autotests engine: Robot Framework We make business together :)

    $33.33 /hr
    579 hours
    4.66
  7. Oleg Andreyev

    Oleg Andreyev Agency Contractor

    Java/J2EE/Android Developer

    Ukraine - Tests: 3

    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
    1,906 hours
    5.00
  8. Sergey M.

    Sergey M.

    Java, Vaadin, Grails developer

    Russia - Tests: 4 - Portfolio: 9

    IT-Specialist with more then 10 years experience in software development. Over last 8 years I was working on software development using Java and related technologies. Of these, 4 years on position as a senior Java developer, team leader, project manager. The most important human quality which I appreciate in myself and in other people is a responsibility. Very punctual and as much as possible I understand details. I always adhere and stay in the planned project budget. The basic technical specialisation: - Web services development. - Server side, integration and middle-ware development. - Web applications development. - Development of Rich Web applications, using Vaadin (GWT) Technologies and tools: - JDK, Multi-threading, IntelliJ IDEA - Vaadin, GWT, Grails - XML, JAXP, JAXB - WebServices, SOAP, WSDL, JAX-RPC, Axis2, REST - JavaEE, Spring - JPA, Hibernate - JCE (Java Cryptographic Extension API) - Tomcat, Sun Application Server, WebSphere - ANSI SQL, MySQL - SVN, Maven, Ant, Teamcity - JIRA, RedMine

    $24.44 /hr
    66 hours
    4.20