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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. Robert Schwin

    Robert Schwin

    Game Designer / Software Developer

    United States - Last active: 10/17/2014 - Tests: 1 - Portfolio: 1

    Hi, I'm Paul. I have a passion for making fun games that offer unique and engaging experiences. Over the past decade or so, I've written and designed several tabletop roleplaying games. More recently, I've turned my attention to software development, and I've had a great time creating virtual universes ever since. My specialties include: game design, user experience, Unity 4.x, C# scripting, object-oriented programming, 2D and 3D physics, procedural generation, writing, editing, management. I have experience with: Objective C, Javascript, Python, Java, HTML 5 I am eager to learn more about: Artificial intelligence, path-finding, mobile/ web development, 3D animation.

    $33.80 /hr
    347 hours
    0.00
  2. Thomas Congrove

    Thomas Congrove

    Software Developer, Production Support, entry level DBA ltd. avail.

    United States - Last active: 04/16/2014

    Currently working as an Sr. IT Applications Developer for a Fortune 100 company. Recently retired from a two year tour as a software engineer and DBA for the military. My availability is limited by my primary development job, but if you have something small or just want a second set of eyes on your project, I'd be glad to assist!

    $25.56 /hr
    27 hours
    0.00
  3. Hitesh Pahuja

    Hitesh Pahuja

    Senior Java Developer

    India - Last active: 10/14/2013 - Tests: 3

    Let me introduce myself as Hitesh Pahuja, having 9 years of IT experience as Senior Java Developer/Analyst. I have a strong background in Object oriented architecture, analysis, design and software development using latest technologies like Java, J2EE , Scala, Akka technologies. • Expertise in Product Iterative Development Model, Agile software development technique using principles like Test Driven Development, Continuous Integration and Automation testing etc. • Expertise in working throughout the project full-lifecycle, had worked on every phase of SDLC e.g. Application Security, Deployment, Requirement Handling, High level designing, Data Analytics and Statistics, Enhancement etc. . Experience in Application security at various layers like Web layer [ Fiddle, Nessus etc.], Web-Services Layer [ SSL, Fuzzing] etc. Extensive experience in Agile delivery of software using practices from Scrum, eXtreme Programming etc. Well versed experience in Test Driven Development, Mocking techniques and CI tools like Bamboo, Cruise Control and Hudson etc. I had worked with various types of applications like • SOA based using web services technologies. • Messaging based using JMS over JBoss/IBM Web Sphere. • Web-based application using technologies like Spring MVC, HTML, JavaScript, Ajax, JQuery etc. • E-Commerce based application. • Customer Support based application which involves dealing with client calls and resolving their technical issues. I have expertise in various domains like Banking [Retail and Loan based], e-Learning, Publishing Education and Retail etc. I am very keen to learn new technologies and business knowledge. I accept challenges and can work independently, can lead a team and act as a mentor to my juniors on technical front. For employment prospective I am open to contract role and on negotiable rates. I can make assure my stability with company and available immediately. Sincerely, Hitesh Pahuja, Hitesh.pahuja@gmail.com http://www.linkedin.com/pub/hitesh-pahuja/8/55b/3a

    $27.78 /hr
    550 hours
    0.00
  4. Victor Macik

    Victor Macik

    Software Developer

    Germany - Last active: 07/22/2013 - Tests: 1

    Over the last 12 years, I have developed a wide range of websites and backend solutions using Java, C++, PHP, and MySQL including sites for different scales of clients. My core competency lies in complete end-end development of backend solutions, along with turn-key products. Feel free to consult with me on any matter, as I'm working independently I promise to provide help even if you aren't interested in conducting business together - this is just the friendly way.

    $33.33 /hr
    33 hours
    0.00
  5. Aarthy Ramachandran

    Aarthy Ramachandran

    Senior Developer

    India - Last active: 4 days ago - Tests: 1

    4 Years of Experience in design, development and deployment of object-oriented application using Java and Perl Develop applications for integration with backend databases to facilitate web services. Develop functionality based UI tools to integrate services. Programming and EIM design for data processing, data mining and extraction for customized reporting.

    $25.00 /hr
    1,079 hours
    0.00
  6. Mark Heramis

    Mark Heramis

    Programmer and SEO

    Philippines - Last active: 5 months ago - Tests: 2 - Portfolio: 1

    Hey there! I'm Mark Heramis - your savvy web development specialist. I'm here to help you fire up your business with web based solutions that work like a charm. I share ideas & offer services related to web development, web design, and of course, search engine optimization (SEO). I am open to new technological advancement and can quickly adopt to it. I learn fast, work hard, and pay attendion to details. I am cooperative and is willing to take the extra miles to achieve the expected ends. How to reach me Skype: chum.heramis Email: chumheramis@gmail.com Time: 4pm - 5am philippine time In case we have incompatible time, you can send me an email to schedule for a discussion.

    $5.00 /hr
    60 hours
    0.00
  7. Nasir Habib

    Nasir Habib

    .Net Developer

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

    Having a BS Software Engineering Degree. I am a .Net Developer developer with experience in Mobile/Desktop and in Web technologies. • More The 2 years of experience in SDLC (Planning, Requirements, Analysis, Design, Development, Testing and Implementation). Experience in developing Client Server Applications, SOA, REST, N-Tier Architectures and Windows Forms Applications. • Expertise in design and development of web applications/Windows with .NET framework using ASP.NET, VB.NET, C#.NET, ADO.NET, XML, XSLT, SOAP , Web Services and WCF. • Expertise in Designing Applications using OOAD and Creational Patterns(Factory, Singleton),Structural Patterns (Façade) and knowledge of Implementation methodologies. • Extensive experience in architecture, design and development of Client-Server and Distributed Web Applications with ASP.NET MVC 3.0, 3-Tire and N-Tire Architecture Web Programming: Flash, HTML ,HTML5, JavaScript,XML, MySQL, PHP, XML, Joomla, Drupal, Wordpress,YII etc Networking: Microsoft SharePoint 2010, Exchange Server, Active Directory, DNS, DHCP, FTP

    $8.89 /hr
    287 hours
    0.00
  8. JAHANZAIB BUKHARI

    JAHANZAIB BUKHARI

    Mobile Developer | Website Developer

    United Arab Emirates - Last active: 14 days ago - Tests: 1 - Portfolio: 4

    My objective is to provide quality work in the domain of Mobile App Development. I have hands on professional experience in the field of over 3 years. Web Projects: URL: http://uaeapps.ae/ URL: http://uaef.ae/ Aldawliyah Insurance Services I have made android App for Aldawliyah Insurance Services LLC in my company. This app contain information regarding the Info details of Company like personal insurance, corporate insurance. User can check their policy within the app and also cancel its previous policy. I have also made lots of changes in Aldawliyah Insurance Service App in IOS as well and also upload it on ITunes and published it. https://play.google.com/store/apps/details?id=com.uaeapps.aldawaliyah&hl=en https://appsto.re/ae/xRb55.i Projects: Tap Fish 2, the next generation of Tap Fish the #1 aquarium / fish app in the Appstore! You are taps away from owning multiple aquariums, where you can decide what fish to grow, sell, and breed! Technologies and Tools: Cocoa touch, Objective-C, Cocos2d, SQLite3, X-code 4.0, iPhone SDK 3.0/4.3 Tap Fish Seasons (Game, #1 top free game) This game is about fish and aquariums. In this game you can own multiple aquariums, where you can decide what fish to grow, sell, and breed! My role was to work as a developer to add new features in the game. Technologies and Tools: Cocoa touch, Objective-C, Cocos2d, SQLite3, X-code 4.0, iPhone SDK 3.0/4.3 Tap Fish HD (Game, among top free games) This game is about fish and aquariums. In this game you can own multiple aquariums, where you can decide what fish to grow, sell, and breed! My role was to work as a developer in creating this iPad only version. Technologies and Tools: Cocoa touch, Objective-C, Cocos2d, SQLite3, X-code 4.0, iPhone SDK 3.0/4.3 I have worked on multiple wordpress websites projects. Below are the links www.adeelsoft.com www.noorsofttech.com www.cricclassic.com

    $12.22 /hr
    8 hours
    0.00
  9. Alexander C.

    Alexander C.

    Experienced Java Developer

    Germany - Last active: 11/25/2014 - Tests: 1 - Portfolio: 14

    I have 12+ years of experience developing commercial projects. My skills and experiences: - Core JAVA, J2SE (Threads, Sockets, IO/NIO, Reflection, Swing/Applets), OOP and java/design patterns - J2EE (Servlets, JSP, EJB3), Hibernate/JPA, XML, UML, JUnit - SQL and RDMS (Oracle, SQL Server, Postgres, SQLite), Excel/VBA - Virtualizations: VMware ESX/ESXi (VMware VI-SDK, VIJava), Microsoft HyperV 2008/2012 (J-Interop), Xen/Citrix (XML-RPC), KVM (libvirt) - Network protocols: SNMP (snmp4j), CIM (sblim-cim-client), IPMI/DCMI/RMCP, XML-RPC, COM/DCOM - Ant, Maven, Eclipse (+Plugins/SWT/JFace/GEF), Netbeans, JBuilder - CVS, SVN, ClearCase, StarTeam - Apache Tomcat, JBoss 6/7, OpenDS - HTML, CSS, JavaScript - Linux (RHEL/Suse/Ubuntu)

    $22.00 /hr
    835 hours
    0.00