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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. Alexander Monakhov

    Java EE experienced software engineer

    Ukraine - Last active: 02/16/2014 - Tests: 3

    I've worked on Java EE web application about 5 years. I developed web applications based on most popular enterprise frameworks like: Hibernate, Spring, Apache Struts, Apache Beehive, Apache Wicket - and well known technologies: EJB, Web services, JSF, Servlets/JSP, Portlets. I have a good experience in working with Google App Engine and several Google API libraries. Also I've got basic knowledge of PHP programming language and I used to work with Javascript, Dojo, Cometd frameworks. I've worked with MySQL and Oracle DB database servers. I've got good knowledge of SQL, software engineering, architecture development, automated testing, etc.

    $27.78 /hr
    8,578 hours
    4.99
  2. Grigori Paslari

    Grigori Paslari

    Experienced Flash / Flex / Java Developer

    Moldova - Last active: 1 month ago - Tests: 1 - Portfolio: 6

    7+ years of experiance in leading and development on various web technologies such as: Java, Flash, Flex, Game development, video streaming, extention development, etc. My core competency lies in complete end-to-end management of a new web application development project, and I am seeking opportunities to build web applications on Flash and Java from the ground up for you or your business. I'm sure: 7+ years of experience + strong communication skills = happy client. My hobby used to be flash game development. This is something I adored. Here are few of my games http://activeden.net/user/goshashakagi/portfolio/. Now I switched from development hobbies to sport (have yiou eve heard about Ironman?). Backend experience: * Hibernate * Spring * Wicket * BlazeDS Frontend experience: * Java Web Application development * Flash game/site development * Chrome extension development Certifications: * SCJP (Sun Certified Java Programmer) * SCWCD (Sun Certified Web Component Developer) * Scrum master You can find me on: * FB - https://www.fb.com/gpaslari * Linkedin - https://www.linkedin.com/profile/view?id=51888210 * Blog (RU) - http://gpaslari.blogspot.com/ * Blog (EN) - http://paslari.blogspot.com/

    $20.00 /hr
    0 hours
    0.00
  3. Varuzhan Sargsyan

    Varuzhan Sargsyan

    C/C++/VC++, C#, Android Java

    Armenia - Last active: 1 month ago - Tests: 4 - Portfolio: 4

    Over 5 year I was freelancer and have developed the Android applications. Made few apps which are on Google Play now and which are very perspective projects. And more then one year, I'm working as Senior Android developer in company. Look into my portfolio to find the project links I have freelancer experience working on C# windows forms, WCF, MS SQL Server. Project Internal Audit System with 10.000 clients. Project is working nowdays beginning from 2011. Duration of working period takes more then 2 year. Biginning from 1997, I developed in 3-4 companies and have experience in c/c++ programming language, using all Visual Studio versions. I made a lot of programs for a few companies and a production. Using strong knowledge, experince, my programs made companies work more easy and automated. Also I can speak English, Russian, Armenian, and the draft software for production was made using Russian language(menus, messages and all other tools).

    $20.00 /hr
    73 hours
    5.00
  4. Vasil T.

    Vasil T.

    Senior Project Manager, Java/Android developer.

    Belarus - Last active: 1 day 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
  5. Vitali H.

    Vitali H.

    Software Architect / Developer, Java/J2EE, Android, Web

    Belarus - Last active: 1 month ago - Tests: 1

    Wide experience in software engineering. Languages: - Java (Spring, EJB, Jersey, Atmosphere, Hibernate, OpenJPA, JMS, OAuth, Morphia, Web Services (SOAP, REST), Android, GWT, JSF/JSP, Swing, etc), - HTML, CSS, XML, Javascript (jQuery, Prototype, etc), Databases: MySQL, PostgreSQL Oracle, MongoDB; SEO & User behavior tracking: Google Analytics, Yandex Metrika OS: Ubuntu, Debian, CentOS, Windows; Web servers: Apache, Nginx, Tomcat, Glassfish, Jetty; Other services & tools: SVN, Git, Red5, JasperReports, Maven, JProfiler, Zabbix, Sonar;

    $20.00 /hr
    22 hours
    5.00
  6. Lalith Jayasinghe

    Lalith Jayasinghe

    JAVA | PHP |Automation | Linode | OpenShift | Heroku

    Sri Lanka - Last active: 23 days ago - Tests: 3 - Portfolio: 4

    Looking for challenging desktop/web Application development(cross-platform) and Linux system administration. I am specially interested in... 1. Cross-Platform Automation. 2. Cross-Platform SEO Utility. 3. Linux server administration. 4. Cloud app development (OpenShift,Heroku,AWS,Google) I achieved sun(oracle) certification in 2005 and I have 7 years+ experience as coder.

    Groups: Corona Labs

    $11.11 /hr
    7 hours
    5.00
  7. Saeed ahmed D.

    Saeed ahmed D.

    An Expert C++, Java, SQL, Unix Developer

    India - Last active: 12 days ago - Tests: 2

    To become an expert in cutting edge technologies by means of imparting and implementing them. An experienced Freelance Online Or On-site Developer which is quick learner looking For: 1> Application Designing, Developing, Code Review Jobs. 2> Tier-2, Tier-3 Support for Debugging and Maintaining of any C++, C#, Java, Unix based applications, could be any Products or Projects.

    $44.44 /hr
    0 hours
    0.00
  8. Denis Grabok

    Denis Grabok

    Java EE/Oracle DB/Python programmer

    Russia - Last active: 6 days ago

    Hi, My name is Denis Grabok. I believe my strong points are Strong Professional Knowledge, Creativeness and Punctuality. My #1 goal will always be to meet your needs and deadline. When working on a new project, I like to speak with the client, so that I can have a clear understanding of his/her needs and vision of the project. I'm honest and fair. Since 2010, I'm programmer in Mobile TeleSystems OJSC for the development of the main billing systems in company. Developing UI and server (big data, cluster programming, high load). Also from 2011, I develop Java EE applications. Thank you in advance for your time and consideration. I look forward to working with you soon. I have a Master in Quantum and Optical electronics from Far Eastern Federal University, in the Russia. Listed below are my experience and skills. — Java Core: Java Core, Multithreading, Collections API, etc; — Java EE: Servlet, JSP, JSF, EJB, JPA, CDI, JASPI(C), JAX-WS, JAX-RS — Oracle SQL/PLSQL — Python & Django framework — JavaScript, JQuery, AngularJS (more than 2 year) — Core web: XML, JSON, HTML/CSS; — OS: Linux, Windows, Mac OS X; — VCS: Git, SVN; — UML.

    $10.00 /hr
    0 hours
    0.00