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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. David M.

    David M.

    Systems Engineer - Web Developer

    Colombia - Last active: 6 months ago - Tests: 4 - Portfolio: 1

    My principal goal is to became a fulltime freelancer so I can use all my skills and learn more and more while developing what you need. Also, I think is very important to know new people all over the world that have similar professional interests that I have.

    $3.33 /hr
    19 hours
    5.00
  2. Abhishek Bhambri

    Abhishek Bhambri

    Expert Php,Testing,Jquery, QA, Test Automation,JIRA,SVN,

    India - Last active: 08/20/2014 - Tests: 7 - Portfolio: 4

    Over the last 3 years I have devloped a wide range of websites using PHP, CSS3, HTML5, Jquery, Jquery UI, MySQL, Ajax, DHTML including sites for startup comapnies as well as social networking sites. I am a team oriented person with excellent interpersonal skill and strong analyticall skills. I have also worked as a senior web developer for social networking site mihubs. I can build a medium to big size custom CMS application using structure based on Wordpress, phpBB Drupal using various techniques such as Php, AJAX, JavaScript and Jquery. I have developed websites on Social Networking platform using BuddyPress,Wordpress and I have an expertise in developing custom modules, plug-ins and components of Buddypress and Wordpress. I am well versatile with layout or website designing with CSS driven tableless and div tags for better search engine visibility. Some other API Intgerations i know and have worked with -CC Avenue Integration - Facebook Integration - Twitter API Integration - Facebook Appilications

    Groups: Bluehost Developers and Designers, LoginRadius

    $20.00 /hr
    128 hours
    5.00
  3. Alexander L.

    Alexander L.

    Java J2ee Master

    Ukraine - Last active: 11/27/2014 - Tests: 1 - Portfolio: 2

    With over 8 years of experience in IT, my goal is to build professional Java applications. My areas of expertise include a broad range of technical experience focused on software development and data design. In the last projects I've used Java-Swing, Applets, Java Processing 2.1, MT4j, JBoss 5.1, Oracle 9, YUI, Javascript, HTML, CSS, JDBC, EJB 2.1 and a lot of other libraries and technologies. Also I have some experience with Python.

    $150.00 /hr
    259 hours
    5.00
  4. Shadab Hussain

    Shadab Hussain

    Expert Java Developer

    Pakistan - Last active: 4 months ago - Tests: 1 - Portfolio: 8

    Experienced Software developer with skills Java,XML, C#, Android and C++. I have over 3 years of web development experience in JavaEE, ASP.NET and PHP platforms with different databases SQL Server, Apache Mysql, Oracle and Derby. • Strong OOP and Software engineering concepts. • Very Good Knowledge of Java SE & JSF, JSPs and Servlets • Basic knowledge of Spring Framework • Excellent at application programming in Java and data structures • Have developed Software application following whole life cycle i.e. from requirement gathering to implementation phase keeping agile development practices in mind. • Very good understanding of databases and database modeling • Extensive knowledge of data structures and have implemented myself • Can Model classes from specification and very good at Project Documentation • Very good knowledge of XQuery and SQL • Very good experience of working with RSS and Media RSS • Worked with relational as well as NoSQL Databases • Developing Electronic Medical Record System (Medical Drop Box) according to standards of HL7 as my Final Year project of undergraduate degree. • Excellent communication skills in English both oral and written.

    $22.22 /hr
    5 hours
    4.97
  5. Vasil T.

    Vasil T.

    Senior Project Manager, Java/Android developer.

    Belarus - Last active: 16 days ago - Tests: 5

    Project/department manager with over 8 years (since 2007) of management experience and 15 years overall (since 2000) experience in IT. Got reasonable technical background by starting as a junior Java developer and growing up to Java department manager. Good intercultural communication skills. Willing to solve complex tasks. Doing some Android development as a hobby and to keep technical knowledge up to date. Android: GPS (NMEA), Bluetooth, Accelerometer, Maps, GCM, Google Play Services (Leaderboard, Achievements), AdMob, Google Analytics, Chat (XMPP, Smack, OpenFire), Voice Recognition, Augmented Reality (OpenCV)

    $20.00 /hr
    69 hours
    5.00
  6. Hendrik Tukunang

    Hendrik Tukunang

    Professional web, mobile and desktop developer

    Indonesia - Last active: 20 days ago - Tests: 9 - Portfolio: 6

    I specialize in web development, specifically Django-python Framewrok, PHP, MySQL, Ajax, jquery including but not limited to mobile (Android specifically), java desktop etc. I also rank in the top of my field in regards to Artificial Intelligence. My specialties compliment a wide array of industries. For example, a few of my recently completed projects include; hotel and tour reservation, library information systems, supermarket information systems through to more complex infrastructure such as cloud technology systems and more.. I pride myself on going the extra mile for my clients. But don’t take my word for it, please read my cliental feedback for an unbiased opinion. Kind Regards, Hendrik Tukunang Web Developer, Entrepreneur, Business owner/operator. Client for life..

    $12.00 /hr
    25 hours
    5.00
  7. Ivan K.

    Ivan K. Agency Contractor

    Senior Coldfusion Developer, Dev Team Leader

    Russia - Last active: 19 hours ago - Tests: 4 - Portfolio: 16

    I have 13 years experience in software development. Coldfusion is my primary area of expertise. I am focused on web application development. Here is a list of my most recent and current work: 1. Developed Hackers trap subsystem. I came up with the algorithm to protect web applications from hackers. 2. Help reduce the cost of application maintenance. There are a lot of applications with bad code quality. It leads to a lot of defects while maintenance + clients over pay for adding new functionality. I rewrote a lot of applications with clear architecture, design and code reduce the cost of application maintenance. 3. Help improve web applications performance (page loading): code optimization, sql queries optimization, changing of settings in Coldfusion Administration and MS SQL, hardware upgrades. 4. Integrated eCommerce web applications with Amazom (AWS) to upload products to Amazon, receive orders and so on. Products like Gold Rings, Stones, Candles, Clothing. 5. Integrated eCommerce web apps with eBay to upload products to eBay, receive orders, etc. 6. Integrated eCommerce web apps with payment systems like Paypal (including credit cards via Paypal), Secure Trading, SagePay, Pay4Later 7. Developed mobile version of websites using Jquery Mobile or flexible version with Bootstrap. 8. Integrated schema.org into products page for eCommerce web apps 9. Resolved issues with indexing of pages and images on Google 10. Installed and configured Coldfusion 11/IIS 8 on Win 2012 by using Coldfusion 11 Lockdown guide (Secure Installation) My previous work experience includes working with Luxoft and Gehtsoft Companies. Developed and managed applications for Boeing and FXCM companies. - 4 years in project management (up to 25 specialists in my team: analysts, developers, architects, testers); - 6 years in developers team management (up to 15 specialists in team: developers and architects); - 6 years in code development. About 40 projects with content hours from 1000 to 10000 were successfully completed. I have an advanced knowledge in SDLC (Macroscope P+ methodology). Participated in preparing projects for CMMI auditing. I provide the following services: 1. Project schedule development 2. Risk management 3. Operative team management 4. Budget management 5. Requirements development 6. Architecture and design development 7. Code development 8. Test design development and testing 9. User guide development 10. Deployment documentation development

    Associated with: Handsoft

    $55.00 /hr
    8,668 hours
    5.00
  8. Andres Vergara

    Andres Vergara

    Software Engineer + Expert Developer [English-Spanish]

    Colombia - Last active: 02/18/2014 - Tests: 6 - Portfolio: 14

    I'm software engineer/developer. I have around 5 years of experience in the area, managing IT projects and developing a wide range and variety of applications, including: web portals, information systems and other custom solutions as scripts & templates. In this way I have worked with a variety of technologies & platforms at the back, middle and front end such as: Java, JEE, Spring, PHP, Zend Framework, CSS, HTML, JavaScript, JQuery, Ajax, Flash + Action Script SQL, PLSQL, Oracle, MySQL, Postgres SQL, SQL Server. I also have experience developing for Moodle LMS and apps for Android devices & tablets. I am seeking to build opportunities for you and your business. Thanks & regards

    $15.60 /hr
    1,370 hours
    5.00