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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. Anton Kharuzhyi

    Java Web / Desktop Developer

    Belarus - Last active: 05/30/2014 - Tests: 4

    I have worked with various Java technologies for over 5 years, with 1 year of professional experience.

    $11.11 /hr
    1,396 hours
    0.00
  2. MUHAMMAD ATEEQ EJAZ

    MUHAMMAD ATEEQ EJAZ Agency Contractor

    Senior Ruby on Rails| JAVA |Spree eCommerece TDD BitCoin GoogleMaps

    Pakistan - Last active: 1 day ago - Tests: 2 - Portfolio: 5

    If you're looking for the cheapest - someone who'll cut corners to save a few minutes' work - you'd better look elsewhere. I am 4+ years experienced RoR | TDD | Spree eCommerece Expert developer. I love to write clean,manageable and readable code with Rails and like Test Driven development and enjoy on deploying web applications on cloud servers. I am interested in building quality software. I do not write code that just work, but also well designed, easy to understand, maintain and extend in the future by using test-driven development (TDD). Github Profile: https://github.com/AteqEjaz StackOverflow Profile : http://stackoverflow.com/users/1522502/ateq-rana ROR Expertise: Spree eCommerce | TDD | Rspec| Capybara |Google maps Api V3 | Gem Working and customization Experience: Gems: ● Devise(Authentication) ● Can Can(Roles authorization) ● FB open Graph API | Omniauth ● Paperclip(image upload) ● carrier wave(image upload) ● Refinery CMS(Content management) ● comfortable-mexican-sofa CMS(Content management) ● Spree(eCommerece) ● Rspec / Cucumber (TDD / BDD / TAD) ● Capybara (Acceptance testing) ● Redmine(Management tool) ● Active admin(Admin View) ● Stripe(Payments) ● BitCoin [Buy,sell,accept,send](Payments) ● Rails admin(Admin view) ● Google Api V3(google maps) ● Whenever(Cron jobs) ● Elastic Search(Searching) ● Thought bought(Code standards) ● Capistrano(App deployment) ● Fog(Cloud Api for saving images on amazon) ● Obviously many many more

    Groups: Engine Yard Ruby on Rails Professionals Network

    Associated with: Coder+

    $35.00 /hr
    1,639 hours
    5.00
  3. Sarah Khalid

    Sarah Khalid Agency Contractor

    Salesforce Expert/Web Developer/APEX/Visualforce/C#/Java

    United States - Last active: 10/11/2013 - Tests: 4

    I have nine years of extensive experience in architecture, design and development of distributed systems, e-commerce, CRM (Salesforce) and n-tier applications using .Net and Java. I have strong Web development skills with experience in N-tier Client-Server based Internet technology, intranet portal design/development; Web based data reporting system, workflows, Framework development for Internet application. I am a Salesforce Consultant having worked on a couple of advanced application and data integration projects for over 6 years with clients like American Express, Citigroup, AstraZeneca, Nationwide Insurance and EnterpriseDB Corporation. I also have experience with various 3rd party Salesforce applications like Conga and DrawLOOP. Specialties: Apex, Visualforce, Integration via Salesforce API. C#, .NET, Java

    Groups: salesforce.com

    Associated with: IData Solution Inc.

    $50.00 /hr
    1,473 hours
    4.91
  4. Marios Christoulakis

    Marios Christoulakis

    Java, JSP, XML,Actionscript 3, XQuery, web services, PHP, SQL, Joomla

    Greece - Last active: 4 months ago - Tests: 2 - Portfolio: 3

    In 2008 i graduated from Technical University of Crete where i studied in the Department of Electronic & Computer Engineering. In 2007 my thesis became part of the iQtool project http://www.iqtool.eu/. In that project worked with xml standards like IMS QTI v2.1 and IMS QTI LIP. I also gained experience in web services and web development using jsp. After my graduation i enrolled in the masters program of the department. I am part of the Laboratory Of Distributed Multimedia Information Systems And Applications (TUC/MUSIC - http://www.music.tuc.gr/) where i have participated in several projects of the laboratory. My profile can be found here: http://www.music.tuc.gr/Person.show?ID=211 I have at least 3 years of experience as a teaching assistant at Technical University of Crete in different classes. Also i have worked on the pSkills European project (http://pskills.ced.tuc.gr/), Organic Med Net European project (http://www.organic-mednet.eu/), and the eShadow project which also is part of my master thesis. The development of eShadow is currently done with flex and actioncript 3. Some videos of the project can be found here: http://www.youtube.com/eShadowtheater These are the most significant project i have worked. I have also some other smaller web site development experience and programming experience in several programming languages. Also i have worked with joomla and wordpress for web sites development. I am confident that i can learn a new language in a short amount of time based on the experience that i have.

    $30.00 /hr
    4,157 hours
    5.00
  5. Alexander Glebov

    Alexander Glebov

    Senior JAVA Developer, JAVA Architect, Project Manager

    Russia - Last active: 12/24/2014 - Tests: 1

    My latest achievement is Full-stack rich web application development. I'm using AngularJS and Bootstrap for the front-end. RESTful back-end powered by Java and following frameworks: Jackson serializes JSON, Spring for controllers and services, Hibernate as data mapper. • Having overall 15 years of professional experience. 12 years of Java development experience, 3 years of experience in Project Management • Expertise in database driven J2EE Development. Distributed and Clustered Application. Client-Server TCP-IP socket Application. • Experience in Project Management • Experience in Oracle and MySQL Database Administration • I have the ability to define system architecture, ability to research and fix non-trivial bugs, ability to fine tune system performance (optimizing DB queries, minimizing distributed calls, tuning GC parameters etc.). Teamwork rate high.

    $55.56 /hr
    1,768 hours
    5.00
  6. Juan David Gil Diaz

    Juan David Gil Diaz

    Not Another Java Programmer

    Colombia - Last active: 1 day ago - Tests: 6 - Portfolio: 1

    During the last years, I have been working as an employee as well as an academical student/researcher with J2EE Web and J2SE stand-alone environments. During the last year I worked for PSL (www.psl.com.co), CMMI level 5 company qualified for their good practices and awarded with the Software Process Achievement Award by the IEEE and the SEI (Software Engineering Institute). In PSL I developed some modules for a large Web proyect called Impacta, sold to a important motorcycles assembler in Colombia. Impacta is a Web application module that communicates with the company's ERP through Web-services, it has a multi-layer arquitecture that supports a with a CRM like functionality. Impacta uses JSF(Java Server Faces) for its presentation-layer, along with Ajax, in its business-layer uses pure Java integrated with Spring and Web- Services(Xfire) and in its persistence-layer, a PSL's propietary persistence framework was used against an Oracle DB.

    $25.00 /hr
    2,676 hours
    4.95
  7. Ramesh V.

    Ramesh V. Agency Contractor

    Expert Java J2EE Developer

    India - Last active: 3 days ago - Tests: 3

    I am an expert Java J2EE developer with 9 years of coding experience I provide outsourced services for Java, J2EE and Angular JS. I can handle a project from requirement gathering, analysis, design, coding (both backend and frontend), Junit Test cases and automation tests. Project Experiences: Yayo is an eCommerce platform stitched specifically for the needs of Film Production Companies. I have designed and developed API's for both mobile and Partners, built a portal for Production Company Managers. Involved in the development of a project Moose, which uses GWT and Sencha GXT. Also implemented Full Text Search in GAE by providing an objectify kind of framework. Designed and developed Sentinel project, which provides Guest Access Portal. Used Free Radius and Jradius modules to authenticate dynamically generated Guests. Sentinel has 3 modules, Admin Portal, Sponsor Portal and Guest Portal. Paladin MultiOS is a Wireless security deployment platform and device tracking/management platform. It provides a reliable and affordable solution for deploying and monitoring secure networks in the age of BYOD. This is deployed on Amazon EC2 linux with tomcat as web server. Eostis is one of the leading classifieds website in France. I have worked to move eostis from the old legacy system to Google App Engine and made it survive from the maintenance issues and frequent server deeds. Involved in the development of several live online projects like http://www.theflowerexpert.com , http://www.pickupflowers.com , http://www.giftsnideas.com and http://www.flowersforcelebrations.com. Migration of a legacy ehealth tool to web application (Central Configurator) by using Spring, Hibernate, Web Services and Ibatis. Migration of a command line tool to GWT + EXT GWT web application. Provided a Command Line Interface for a web application by using Web Services. Google App Engine Projects: Converting SAP reports from email attachments to google spreadsheets. Developed a GAE + Vaadin application for a sales company to maintain there whole inventory.

    Associated with: Soft Suave

    $33.33 /hr
    3,847 hours
    5.00