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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

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Upwork Java Jobs Completed Quarterly

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


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Time needed to complete a Java project on Upwork.

Average Java Freelancer Feedback Score

Java Upwork freelancers typically receive a client rating of 4.73.

Last updated: October 1, 2015
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Jesu Rajaram Agency Contractor

Java / J2EE Web developer

India - Tests: 5

Java/J2EE Developer with more than 7+ years of IT experience. + Expertise in end to end implementation and delivery of challenging and innovative projects + Experience in building highly scalable/available systems + Expertise and experience in delivering with technologies like spring struts jquery ajax Rest web services ejb etc.. Looking forward to own and execute innovative and challenging assignments

Associated with: 10DECODERS-SERVICES

$11.11 /hr
109 hours

Lei Zhang

Python/C++/Java/Web/Mobile Software Developer

Canada - Tests: 6

Over the past four years, I have been working in roles like mobile application programmer, security application developer, and J2EE web portal consultant for financial and engineering companies. I have solid design and programming skills in Java, Python and C++ with solid domain knowledge in application security and secure protocol design. In addition, I have also worked with a variety of mainstream web servers, databases and open source libraries in my previous projects. I am seeking opportunities to help create software that best suit you or your business needs with customer's satisfaction guaranteed.

$16.67 /hr
73 hours

Adrian B.

Senior Java | J2EE | Scala | Large scale apps

Romania - Tests: 2 - Portfolio: 6

As a java web developer with over 9 years of experience, I have been involved in all aspects of the software life-cycle, from analysis, design, development and testing, to installation and deployment of web applications.I have extensive knowledge of Java, J2EE, SQL and unit testing.

Groups: Application Developers Alliance

$22.22 /hr
325 hours

Ramya S.

Java J2EE expert with SQL knowledge and testing skills

India - Tests: 1

Deliver my best and have a good working knowledge in all the phases of software development life cycle, from requirements analysis to maintenance and support. Possess excellent communication skills, innovative, good team player and sound in interpersonal relationships.

$27.78 /hr
677 hours