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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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On average, 406 Java projects are completed every quarter on Upwork.


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Time needed to complete a Java project on Upwork.

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Java Upwork freelancers typically receive a client rating of 4.73.

Last updated: October 1, 2015
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Maxim Konovaliuk

Maxim Konovaliuk Agency Contractor

Java Architect. Java Instructor. Java Developer

Ukraine - Tests: 3 - Portfolio: 1

Experience with processes and methodology: - Agile/Scrum - Code reviews - Test-driven development - Planning sessions, Demonstration functionality to customer Experience with technologies: - Algorithms and Data Structures - Java Core - Design Patterns, UML - Collection - Multithreading - Servlet - JSP (EL,JSTL, Session, Cookie,Filter, Custom tag) - JPA - EJB (Security, Transaction) - JMS - JSF (HTML, XTML, Facelets, Manage Beans) - Spring - Spring MVC - Hibernate - SQL - Maven - XML (DTD,XSD,DOM, SAX) - JUnit - Git - Web Services

Associated with: Alex's Developers, Global Network Solutions

$25.00 /hr
0 hours

Anton P.

Anton P. Agency Contractor

Java developer

Russia - Tests: 3 - Portfolio: 3

I am an IT specialist with over 10 years of experience, particularly in the area of software development. My principal interest is the development of software in the Java language, as well as web development and integration. Throughout my career I have participated in many projects with varying complexity. I worked as a Project Manager and Developer with products such as Service Desk class systems (IBM SmartCloud, HP ServiceDesk, BMC and others), Electronic Workflow (Documentum, Nuxeo etc.) and Sapiens IDIT related software among others. The main technologies that I use are - J2EE, JSP, JSF, EJB, Hibernate, GWT, HTML, CSS, Javascript and frameworks (JQuery, dojo), Ajax, databases (Postgres, MySQL, Oracle, MSSQL), ant, maven, various Control Version Systems and Continuous Integration.

Associated with: XDevel

$33.33 /hr
0 hours

Maksym Rybalchenko

Maksym Rybalchenko

java developer

Ukraine - Tests: 1

Hi there. My name is Maks and I am a software developer with a 10 year experience. During all that time I developed a lot of solutions for all kind of businesses from tiny entrepreneurs to large companies. Recently I started developing using java. Now it's my primary technology and I am on my way to achieve great results in this area. Hope my previous experience will be useful for you and waiting for a good cooperation.

$10.00 /hr
0 hours

Francis Kigaita

Francis Kigaita

Java/ Java EE software Developer


Hi. Thank you for visiting my profile. Over the last 3 years, I have actively developed web and desktop applications. I extensively used technologies such as Java EE, Java SE, PHP, Scala. I have also worked with version control tools such as Git and Subversion (SVN). List of my skills includes : Java Technology : Core-java, Java EE, Java SE Web Technology : HTML, CSS, Foundation & bootstrap CSS Scripting : Jquery, Javascript, PHP OS : Windows, Linux, Unix DBMS : Mysql, Oracle DBMS Frameworks : JPA, Hiernate 3.0 Frameworks : Codeigniter, Play framework, JSF, Seam 2.3 Others : Pyrocms, ISO8583, POS/ATM protocols, Richfaces, Primefaces, Scala I'm always keen to learn new technologies and improve my software development skills.

$17.00 /hr
114 hours