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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, 447 Java projects are completed every quarter on Upwork.

447

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 4.73.

4.73
Last updated: September 1, 2015
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  1. Anton Kharuzhyi

    Java Web / Desktop Developer

    Belarus - 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. Alexander Glebov

    Alexander Glebov

    Senior JAVA Developer, JAVA Architect, Project Manager

    Russia - 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
  3. Juan David Gil Diaz

    Juan David Gil Diaz

    Not Another Java Programmer

    Colombia - 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
    2,678 hours
    4.95
  4. Nikolay G.

    Nikolay G.

    Technical Lead (Java)

    Russia - Tests: 8 - Portfolio: 2

    I'm an experienced Java programmer with solid principles in programming, architecture and code quality. I have a wide experience in Java-related technologies, so I can provide you high-level end product. I love to learn new technologies, frameworks etc, so research projects will be also interested for me. NOTE: If you are looking for bad quality, cheap, fast written code - do not distirb me, please. I'm not interested in working in a team which don't follow clean code, DRY and SOLID principles.

    $30.00 /hr
    1,037 hours
    4.86
  5. Marek Malevic

    Marek Malevic

    Software Architect (Java, SQL)

    Czech Republic - Tests: 11 - Portfolio: 1

    IT specialist experienced in software analysis and implementation of performance improvements, databases development, implementation of information & reporting systems. Developer of server, desktop and web applications, experienced in both Linux and Windows server environments. Worked for 7 years as Senior Technical Consultant for an international company (Infor) and participated in many international projects. Since 2012 a Bottleneck Team Lead in an international team responsible for software analysis and implementation of performance improvements on various platforms (mostly C/C++, Java & DBs). Since 2013 a member of a team that develops Amazon Elastic Compute Cloud (EC2) management web service used by a company with 5000+ employers, Amazon WebServices (Java API) expert.

    $40.00 /hr
    7,269 hours
    4.99
  6. Yuri M.

    Yuri M.

    Java/C++/DB Developer

    Ukraine - Tests: 11 - Portfolio: 6

    7+ years experience in various projects. In my development practice I've worked on both desktop and web-projects where I've used different libraries and frameworks. I have experience in such areas: * as Java developer: Swing, SwingX, EJB 3, Struts, Spring, GWT, Hibernate, JDBC, JSP, XStream, Jetty, JUnit * as DB developer I've worked with MySQL, Firebird, MS SQL Server, PostgreSQL, H2. * as C++ developer: boost library, ability to write cross-platform code, MFC, Qt * worked with applications for project designing: Rational Rose, Visual UML, StarUML, Microsoft Visio. Good understanding OOP and data-store concepts. Also I have some experience in following areas: Microsoft .NET, Ruby on Rails, PHP and Python.

    $30.00 /hr
    4,048 hours
    5.00