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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, 575 Java projects are completed every quarter on Upwork.

575

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: July 1, 2015
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  1. Kirill Novikov

    Kirill Novikov

    Senior Java and Web Developer

    Russia - Last active: 1 month ago - Tests: 7 - Portfolio: 1

    Hi, i am java and web developer. I have 5+ years experience in Java EE technologies , such as Spring, JPA/Hibernate, JSP, Servlet API and many other technologies in Java EE stack. I prefer a full circle project, from specification to production version. In my work i use modern approaches to software development. Another i have interest in responsive web development.

    $18.00 /hr
    493 hours
    4.73
  2. Kashif S.

    Kashif S.

    Ruby on Rails/ Java programmer

    Pakistan - Last active: 1 month ago - Tests: 2 - Portfolio: 2

    Ample experience heading and leading large teams while working on domains from low level linux kernel driver to high-end web and mobile applications. Over time, interacted with professionals from around the world including UK, USA, Canada, and Japan. Have hands-on experience of social websites, B2B (Business-to-Business) e-commerce applications, and Caching systems. In addition to writing clean and efficient code, also responsible for implementing and enforcing agile practices as SCRUM master. Contributed in different presales activities where proposed suitable solution and technologies according to clients needs

    $30.00 /hr
    1,092 hours
    4.89
  3. Bob Y.

    Bob Y.

    Expert C/C++/Java Developer

    China - Last active: 20 days ago

    I have some project experience, such as *SMS Spam monitoring system A big application write by C in linux to anaylsis message to detected Junk message which runing more that 10 server in distribution system way. Experience: Linux, C, RPC, Socket, Pro*C, Oracle PL/SQL, Regex, XML *Room electrical capacity of early warning system A application write by Java and Flex to analysis Room like IDC electrical capacity to analysis electric node capacity of device, can calacuate in diffient electric route to analysis electrical safety, such as Air Switch, UPS, and so on. This application can using FLEX technical to build a visual electrical graph to show electrical structure and data. Experience: Java, Flex, Oracle, The power distribution of knowledge *Monitor for Embedded Systems A application write by C++ Builder to access the embedded system and communication with the device using RS232/485. Experience:C++,RS232, STM32 and so on.

    $5.00 /hr
    4 hours
    5.00
  4. Evadney P.

    Evadney P.

    Web/Graphic Designer & Java Programmer

    United States - Last active: 7 days ago - Portfolio: 2

    Hi! I have been freelancing before I knew what freelancing was. Professionally 2 years. I currently have a bunch of websites that I've developed and maintain. I also love to design graphics, flyers, ads and logos. I am professional and always available by phone, text or email, so you won't have to worry about wasting your time and money on another lazy person. I've also programmed my own Android application that is currently published on the Google Play Store.I would love to work with you and help make your vision a reality.

    $25.00 /hr
    0 hours
    5.00
  5. Mohd shahid K.

    Mohd shahid K. Agency Contractor

    Lead/Architecht - Java/JEE Expert

    India - Last active: 1 day ago - Tests: 4 - Portfolio: 5

    I am having 13+ years experience in Java/JEE Developer/Tech Lead/Architect. I am having expertize on Core Java, J2EE, Multithreading, Spring MVC, Struts 1.2/2.0, Hibernate/JPA, Web Services, XML, AJAX, JSON, AngularJS, ExtJS, JQuery, HTML5, CSS3, Javascript, JSP, Servlet, JSTL, Tiles, MySQL, Oracle and Sybase etc. I am also very good at Java Design Patterns and JEE Design Patterns.

    Associated with: Logicum Technology Solutions

    $16.00 /hr
    1,992 hours
    4.70
  6. Sergey B.

    Sergey B. Agency Contractor

    Senior Java / C++ / PHP / JavaScript

    Russia - Last active: 1 month ago - Tests: 8 - Portfolio: 2

    I have developed sites using PHP, MySQL, JS over last 10 years. In development I used Drupal, MODx, Joomla, OpenCart. I'm familar with their core code and popular extensions and I created many custom extensions for these CMS. Also often I'm working with Yii framework, which is best PHP framework to my mind. I have experience in development of commerce systems, social networks, media sites, integration of 3rd party services. I'm familar with C++ (desktop and server development), Java, C#. In my work I use git. It improves work in team, allows to be sure that any changes in source code will never lost, allows update dev, test and prod enviroment by one command. To improve communication with customers I like to use Redmine.

    Associated with: Datacrafts, Brilliant Technology

    $25.00 /hr
    1,991 hours
    4.99
  7. Alexey K.

    Alexey K.

    Android/Haxe/C++/Java developer

    Belarus - Last active: 07/07/2013 - Tests: 3 - Portfolio: 3

    Over the last 5 years, i have developed a wide range of systems and services using C++/Java/Javascript/PHP/SQL including Geosocial network, browser-like unix system daemon, CORBA bridgess for Forex broker and countless websites.I have extensive experience in drafting technical specifications, in collaboration with non-IT professionals.My core competency lies in knowledge of wide range of technologies in many areas (networking, high-load, user interface design), I can quickly look into your needs and provide optimum solutions to your tasks, identify possible problems and suggest ways to solve them.

    $33.33 /hr
    80 hours
    5.00
  8. Mykhailo Maikovych

    Mykhailo Maikovych

    Senior Flex/Flash/Java Developer

    Ukraine - Last active: 12/31/2013 - Tests: 3

    I am a Flex/Flash developer with over 6 years solid experience with creating Flash and Flex based applications with different complexity. Also I have a high level of knowledge in HTML, PHP, JavaScript, Java and SQL which allows me to build client-server solutions. I am seeking for the opportunity to work on a projects where I can apply my skills at the full extent.

    Groups: Coding Champs

    $35.00 /hr
    178 hours
    5.00
  9. Dino Rakipović

    Dino Rakipović

    Junior Java and Python developer

    Croatia - Last active: 2 months ago - Tests: 2 - Portfolio: 1

    I'm good in algorithmic thinking and have experience from numerous competitions during high school mostly using C/C++. I have good knowledge of object oriented programming mostly in Java/Python. In Python I have worked on several web based projects using Flask framework and in Java I worked with swing graphics and multi-threading applications. On my college I have finished course basing on evolutionary algorithms(genetic, simulated annealing, PSO, etc) in Java. I am seeking opportunities to build websites or desktop applications.

    $13.00 /hr
    0 hours
    5.00