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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. Akashdeep S.

    Akashdeep S.

    Wordpress Developer

    India - Last active: 29 days ago - Tests: 1

    Intend to build a carrier with leading corporate of hi-tech environment with committed & dedication people, which will help me to explore myself fully and realize my potential. Willing to work as a key player in challenging & creative environment.

    $16.67 /hr
    2,949 hours
    4.79
  2. Maksym L.

    Maksym L.

    expert in test automation, certified C# specialist

    Ukraine - Last active: 22 hours ago - Tests: 4

    Have overall 6+ years of commercial experience in test automation and development using C#/Specflow/Selenium/BDT/Python/Ruby/Java. Experts in automation framework creation for desktop/web/SOA, continuous delivery process, agile methodologies (Scrum, KANBAN). Have setup lots of CI/CE systems (Jenkins, Hudson). Develop tools and customized test reports according to customer's needs.

    $16.67 /hr
    609 hours
    4.95
  3. Razi Iqbal

    Razi Iqbal

    Creative Writer with Professional Writing Experience

    Pakistan - Last active: 11/26/2014 - Tests: 2

    I am a Ph.D. in Computer Science and Engineering graduated from Japan in 2011. Currently i am working as Head of Research and Development at Lahore Leads University, Lahore, Pakistan. My Major responsibilities are to administer ICT research projects, supervise M.Phil, Masters and Bachelors students in their thesis and conduct lectures on Computer Networking and Mobile Application Development. Furthermore i am working as a Research Scientist at University of Engineering and Technology, Lahore, Pakistan. My major responsibilities are to write down proposals for funding, write papers for publications in International Journals, and provide my expertise in ICT projects in the field of Agriculture, Transportation and Education. I am also working as a creative writer for one of the country's finest IT magazine, "MORE". In the past I have worked as a Coordinator of Pakistan for UNESCO's Education on Sustainable Development program for 3 years at United Nations University, Tokyo, Japan. I am here to utilize my Professional writing skills at an international level to keep myself updated with industry standards.

    $8.89 /hr
    0 hours
    4.99
  4. Mike Kruskal

    Mike Kruskal

    Software Developer / Physicist

    United States - Last active: 3 months ago - Tests: 15 - Portfolio: 1

    I've been programming for 14 years and have a Masters degree in Computer Science from Johns Hopkins. I am currently working on a PhD in physics at BU (which does involve plenty of programming), but I enjoy more general software development in my spare time. I am fluent in: C, C++, Java, Javascript, PHP, MySQL I have a lot of experience with: web design (primarily backend), database design, Java UI development, working with big data, writing APIs, and more I can also learn new languages and APIs very quickly if a project requires me to, and because of this I have had experience with: Objective-C (iOS apps), C#, Python, Fortran, Bash scripting, various C-based scripting languages, and some less known languages.

    $40.00 /hr
    5 hours
    5.00
  5. Michal Buczek

    Michal Buczek

    Android Developer

    Poland - Last active: 3 months ago - Tests: 2 - Portfolio: 2

    I'm Michał from Poland, I'm doing native Android apps for 2 years. I also have one year of commercial Java experience with technologies like SQL, GWT and OOP principles. I'm very honest person when it comes to communication, I'm no spamming every job posting with copy-paste linking my whole portfolio like some devs here do. Here is my personal page, google play account and github if you want to check my code quality http://michalbuczek.com https://play.google.com/store/apps/developer?id=michalbuczek.com https://github.com/iccub/freestyle-timer

    $30.00 /hr
    0 hours
    5.00
  6. Nicolás R.

    Nicolás R.

    Bs Software Engineer

    Uruguay - Last active: 3 months ago - Tests: 2

    I'm a Software Engineer backed by 12 years of experience and proven ability to develop high-performance applications and technical innovations. My core competency lies in complete (front-end & back-end) development, I am seeking opportunities to build responsive applications from scratch. My technical experience areas includes : - Built solutions using several scripting/programming languages (Java, Python, JavaScript, PHP, C#, C++, VisualBasic 6.0). - Working on cross-platform solutions (Windows, Linux). - Experience in data storage solutions (PostgreSQL, MySQL, Mongodb). - Advanced knowledge of web development frameworks/tools and best practices (HTML, CSS, play, Django, Yii, CodeIgniter, jQuery, angular.js, bootstrap, tastypie) - Mobile Deveplopment (objective-c) - Large data processing tools (Hadoop) - Media Streaming Systems (Wowza) - Web servers like (Apache, lighttpd, Tomcat) - Dependency Management (Apache Maven, bower) - Unit testing frameworks and continuous integration tools (JUnit, NUnit, Selenium). - Cloud Services (AWS, Rackspace) Also: - Timezone overlapped with the US (UTC-3). - Always searching for challenges to demonstrate my skills. - I have a private portfolio that I can show you upon request.

    $25.00 /hr
    0 hours
    5.00
  7. Bisher T.

    Bisher T.

    R&D Software Engineer

    Jordan - Last active: 2 months ago - Tests: 6

    I'm a software engineer and a computer scientist with over 15+ years of experience in C++, Java, AI, computer graphics and image processing.Over the course of my career I have successfully created and delivered high end software for the desktop, web and mobile platforms. I hold a Masters degree in Computer and Data Security and two Bsc. degrees in computer science and electronic engineering and have taught computer science for over 4 years to undergraduate students.

    $55.56 /hr
    6 hours
    4.98