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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. 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
  2. Dmitry Kim

    Dmitry Kim

    Java developer

    Russia - Last active: 5 months ago - Tests: 2

    I've taken part in many different IT project during last 10 years. Mostly as a Java developer. I worked with almost entire java stack from J2SE, JNI, JNA and other low-level technologies to J2EE, Spring and Liferay portal including front-end development using JQuery and CSS. In addition i wrote some commercial code on Ruby and C#(asp.net), and a lot of university tasks on c/c++/pascal/foxpro/asm and so on. Last 2 years i was focused on developing web-portals for various local and state goverment structures. Software stack includes: tomcat, wildfly(and jboss), hibernate, Spring, Spring WS (soap and rest), Crypto Pro (Russia-specific e-signature), activity(bpmn), ... I got experience in multi-threading development, report generation, working with MS file formats via ApachePOI, experience in stress testing using JMeter utility and profiling of application using JProfiler. Also i got strong experience with writing SQL queries, using such DBs like MySQL, MSSQL, Oracle DB and PostgreSQl Despite my specialization over past years on server-side enterprise development i'm also very interested in developing some "smart-home" stuff or A.I. projects and i got some experience in these fields too.

    $15.00 /hr
    0 hours
    0.00
  3. Austin R.

    Austin R.

    Experienced GNU/Linux System Administrator and Programmer

    United States - Last active: 4 months ago - Tests: 2

    Developer and Administrator with over 7 years of experience with various technologies including GNU/Linux personal computers and servers, Atmel AVR platforms, Git, KiCAD EDA, and the Go, Java, and C programming languages. My experience includes the hardware and software design of a full home automation system. I am prepared to perform many tasks, including setup and administration of servers, programming in C, Java, or Go, PCB design, and project management.

    $22.22 /hr
    1 hours
    0.00
  4. Aamir sher K.

    Aamir sher K.

    Design Engineer

    Pakistan - Last active: 19 days ago - Tests: 4 - Portfolio: 2

    i am working as design engineer for last five year and has develop different types of embedded system using microcontrollers FPGAs.I have experience in digital design,embedded programing and PCB desiging.Apart from that i have used java,C# for GUI development. Experience in Atmel/Microchip/Infenion/Dallas/TI etc 8-16bit Microcontrollers Sensors Data acquisition Systems RS422,RS485,CAN,I2C,SPI etc busses C/C++,C#,JAVA,Embedded C & Assembly PCB designing in Altium,Orcad,Design Spark etc. FPGA proramming using VHDL Xbee,GSM,RF networks PCB designing in Altium/Eagle

    $16.67 /hr
    95 hours
    4.93
  5. Maricar G.

    Maricar G.

    Graphic Designer/Web Developer/IOS Mobile App Reskin Specialist/Tester

    Philippines - Last active: 2 days ago - Tests: 1 - Portfolio: 11

    -Graphic Designer for more than 5 years. -Proficient in using Adobe Creative Suite. -A web designer for 5 years using C#.Net, javascript,CSS and HTML. -An applications designer for 5 years using SQL Server 2005 and 2008 as backend programming tools. -Knowledgeable also in using Crystal Report, JQUery and other third-party libraries. -And an experienced IOS Mobile App Re-Skin Developer -Designed,re-skinned and uploaded my very own game apps in iTunes store -Those apps are the following: Zombies Among Us- https://itunes.apple.com/ph/app/zombies-among-us/id725234230?mt=8 Ninja Dojo: Clash of the ninja and Samurai Warrior - https://itunes.apple.com/us/app/ninja-dojo-clash-ninja-samurai/id747570893?mt=8 Flying Man Escape From Boredom - https://itunes.apple.com/us/app/flying-man-escape-from-boredom/id735129150?mt=8 Mafia Turf Wars - https://itunes.apple.com/us/app/mafia-turf-wars/id690431642?mt=8 Dog Buster Maze - https://itunes.apple.com/us/app/dog-buster-maze/id876229490?mt=8 Kuting's Corner - https://itunes.apple.com/us/app/kutings-corner-adorable-cute/id889017429?mt=8 Vegas Hottest Party Slots Pro- https://itunes.apple.com/us/app/vegas-hottest-party-slots-pro/id895315778?mt=8 My goal is to render fast and reliable service, to establish a strong, and trustworthy relation with my clients, and to gain exposure in global market like "Odesk" where best of the best competes.

    $22.22 /hr
    123 hours
    5.00
  6. shakeel abbas

    shakeel abbas

    Java,J2EE,Spring,JSF,Struts,JAX-RS,Angular JS,Knockout JS,AWS,Mule ESB

    Pakistan - Last active: 6 days ago - Tests: 3 - Portfolio: 5

    Over the last 6 years, I have developed websites using HTML, CSS, JavaScript, JSP/Servlet, Struts, Spring, Hibernate, and MySQL, SQL Server, Oracle 10g,11g. I am an outstanding Java/Web Developer with experience in all phase of the software development life cycle, from requirement analysis and design to implementation, testing and maintenance. I am seeking opportunities to build websites from the ground up for you or your business. SUMMARY OF QUALIFICATIONS - Good understanding of Object-Oriented Design and Programming. Experience in full product lifecycle. - Experience in using Java, including JSP, Servlet, Spring, Hibernate, JAX-RS, JAX-WS and JUnit test. - Experience in ANT, SVN, Eclipse, and Apache Tomcat. - Experience in MySQL, JFreeChart, D3Charts, AWT/Swing, JavaScript/JQuery. HTML, CSS, and XML. - Operating Systems: Linux, Windows, and UNIX. - Strong learning and problem solving abilities. Good team worker. I have been developing web application since a while so I have had exposure to evolution of the web technologies that started from synchronous request/response and then evolution of ajax XmhttpRequest object and then a variety of ajax tools and frameworks like Prime faces, Rich Faces, JQuery and many others. And now in the current era we are moving towards pure JS front end frameworks like Ext JS, Angular JS, Knockout JS, Node JS. Therefore I believe that I can develop and design any web application with current trends and technologies.

    $22.22 /hr
    153 hours
    4.75
  7. Kostiantyn K.

    Kostiantyn K.

    Software QA Engineer

    Ukraine - Last active: 1 day ago - Tests: 4 - Portfolio: 2

    Hi, I'm Software Quality Assurance Engineer with about 2 years in testing Websites, Desktop Applications, Games, and Mobile Applications(iOS and Android). • The list of projects/applications tested include online social games (Facebook, VK, WEB, mobile versions ) and WEB sites • Utilized JIRA to report product bugs, bug isolation, to verify fixed bugs and issue resolution • Mobile devices testing: Android SDK for capturing log and steps to reproduce fails. • Created and maintained test documentation between releases: test matrix, test cases, test reports • Participating in meetings with QA and project teams to discuss testing process and suggest improvements • Performing manual functionality, smoke, sanity, localisation, regression, new feature implementation, verification, release acceptance, and integration testing on various browsers and devices • Provided installation and configuration of the Virtual Machines, Browsers, etc. • Studied each project business and technical documentation to develop and execute test cases • Communicated with other stake holders – developers, tech support reps to identify and resolve quality related issues Skype ID: korchak03 (24/7 availability for Job related discussion)

    $15.11 /hr
    3,153 hours
    5.00
  8. Ward Ghaben

    Ward Ghaben

    Expert web developer with java EE, grails and modern front end tech

    Jordan - Last active: 15 hours ago - Tests: 3 - Portfolio: 6

    With over 3 years of experience specializing in software development, as well as providing long term support, I can apply for experience and talent to your project while developing a wonderful long term relationship with you. I have confidence with my work. Once you offer me a project, I will assure sincerity, honesty, quality, 100% accuracy and results within deadlines. I have skills and experience in the following -Design Skills Html5, Css3, JavaScript, JQuery, Bootstrap, Foundation, Sass and Compass -Experience in Java SE and Java EE Servlet, JSP, JSF, Swing, JDBC, JPA, RESTFul, Soup, WebSocket, Spring, Groovy and Grails -Good knowledge in Object Oriented Programming MVC design pattern Eclipse IDE Database design with RDBMS and using sql. Object relational mapping (ORM) using JPA Good communication skills Excellent analytic and problem solving abilities Ease of learn and apply new skills Friendly and co-operative i.e. a team player My objective is to provide quality services to my clients and establish long-term business relationship with them.

    $22.00 /hr
    852 hours
    5.00