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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. Nasir Habib

    Nasir Habib

    .Net Developer

    Pakistan - 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
  2. Jose S.

    Jose S.

    Web/Windows Developer(C#, VB,) .NET

    Bolivia - Tests: 1

    Have more than 13 years of experience in analysis, management and application development Possess expertise in development with different program languages like Visual Basic.Net, Visual C#.Net, ASP.NET, Java, Power Builder. Proficient in system analysis and design with UML and E/R modeling. Skilled at analysis and design of complex processes. Experience leading developer teams. Highly motivated and problem-solver, look for the best solution and maintain open mind for different opinions or solutions. Data Base Administrator and Webmaster. Interest in acquiring new computer skills.

    $12.50 /hr
    101 hours
    0.00
  3. Sunny Kharbanda

    Sunny Kharbanda

    Java / J2EE Developer

    India - Tests: 7

    I have more than 3 years of experience in developing java / j2ee application. I have been working with one of the largest IT firm in India. Here is the list of technologies I have worked on: Core Java, Springs, Struts, Hibernate, JSP, JSF, JPA, HTML, JavaScript, CSS, Servers (Tomcat, Weblogic, JBOSS EAP), Oracle ADF, Oracle Database (PL/SQL), Mongo Database

    $5.56 /hr
    7 hours
    0.00
  4. Lilit Nersisyan

    Lilit Nersisyan

    Bioinformatics Researcher

    Armenia - Tests: 3

    I'm a Bioinformatics researcher with background in biology and computer science. I effectively implement Java, R and Matlab programming skills for scientific problem solving and research. I have research and software development experience in sequence analysis, high throughput data analysis, biomolecular network analysis, and protein structure modeling. I also have working experience in image processing. Areas of my competence include software development, biomedical data analysis, biological research and academic writing.

    $22.22 /hr
    1,295 hours
    0.00
  5. Amitava S.

    Amitava S.

    Software Developer and Tester

    India - Tests: 1 - Portfolio: 2

    I am a software developer. Till now I have gathered knowledge from colleges and now I have actually started developing software. I have good knowledge in C, C++, JAVA, ASP.net, Visual Basic and painting. I am already working as a software tester in Odesk and I am doing quite good in it. I hope if I am given chance, I can prove my actual talents in the languages, i mentioned above, rather I am a good software tester.

    $11.11 /hr
    539 hours
    0.00
  6. Nguyen Sarah

    Nguyen Sarah Agency Contractor

    Software Tester

    Vietnam

    I have been working 2 years and have had the opportunity to work in some large projects. Have deep experience in Functional, performance, Regression testing, Cross Browser Compatibility, Black box & White box testing, expert in usability testing for website and applications. Can use online bug tracker tools like Atlassian JIRA, Quality Center, Bugzilla, Agile Task Tracking, etc... + Manual testing: Web Application, Networking and Telecommunication. + Automation testing: CATT, TCL/TK, Selenium IDE,Web Driver,XPath, Java.

    Associated with: AMT

    $8.89 /hr
    790 hours
    0.00
  7. Taqui Mohammed WaliUddin

    Taqui Mohammed WaliUddin Agency Contractor

    Atlassian Expert / JAVA Developer

    India - Tests: 3

    Software developer with three years of experience in developing application in java and python on Linux platform. Have strong experience of developing web 2.o platform UI on HTML5, CSS3, Java Script, JQuery framework. Have implemented web deployment and management in NGINX, Apache Httpd and implemented advances system management mechanism like reverse proxy, SSL termination, load balancing. Solid implementation experience of databases – mysql , oracle , postgres , mongodb. Implemented Mysql Galera cluster replication and Oracle RAC. Very good shell scripting experience towards system automation. Solid understanding on software development methodologies and implemented Atlassian ALM tools towards setting application lifecycle management.

    Associated with: PTR Technologies

    $15.00 /hr
    106 hours
    0.00
  8. Stephanie Hintzen

    Stephanie Hintzen

    Bioinformatics Scientist

    United States - Tests: 2 - Portfolio: 1

    I am looking to keep learning and to expand my skills through some free lance work. I hope to try new things and to earn some extra money. Most of my skills are in biology, but I have considerable computer experience. In addition to the skills listed below, I have also dabbled (and can code my way out of a bag) in: C++, PHP, MSQL But as I don't code in them often, I didn't want to list them as something I am "skillful" in. Check out my professional profile and connect with me on LinkedIn. http://lnkd.in/GgsAN6

    $12.00 /hr
    10 hours
    0.00
  9. Mohammad Ali

    Mohammad Ali

    Software Engineer

    Pakistan - Tests: 2 - Portfolio: 7

    During my 6+ years of software development experience, I came across developing diverse set of applications for different platforms (MacOS-X, Windows, Linux) using C/C++, Objective-C, C#, Java, and Golang. I have worked on Data Synchronization, Backup & Recovery, Cryptography Modules (authentication, integrity, authorization, confidentiality), Web Applications, Server and client services. I have worked in different frameworks (Symfony, Apache MINA, GATE, libpcap, EWS, openSSL, Casablanca REST C++ API, WT C++ Webtoolkit etc.). Apart from development, I am also an active researcher in the field of Information Security, so I could be of double help; an experienced developer and an active researcher.

    $28.00 /hr
    35 hours
    0.00