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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. John Clarke

    John Clarke

    Web, Desktop Applications and Database Developer

    United States - Last active: 03/18/2011 - Tests: 1 - Portfolio: 2

    Over the past five years I have developed skills in HTML, PHP, MySQL VB, DotNetNuke, and C#. I have worked with both start-ups and established organizations. My strengths include a strong work ethic, versatility, and I am a quick learner. I have experience learning new languages and systems on the job. I am seeking opportunities to build applications or websites from the ground up or to join an existing team.

    $40.00 /hr
    1,697 hours
    5.00
  2. Masoom Raza

    Masoom Raza

    Software Engineer, Java/J2EE Developer

    India - Last active: 1 month ago - Tests: 3 - Portfolio: 3

    • 7 years of experience in Analysis, Design, Development and Maintenance of various J2EE applications. • Extensive knowledge of Core Java. • Dynamic Software Engineer and Team Member with rich, cross-functional exposure to the entire spectrum of SDLC functions for diverse range of processes, products / services. • Worked on Struts, Hibernate, iBatis, Spring, Zend, CodeIgniter, Ruby on Rails framework. • Worked in design pattern, OOAD, data modeling, development and integration. • Experience in Integration of various data sources like Oracle, PostGre SQL Server, SQL Server, Flat Files. • An effective communicator with exceptional relationship management skills with the ability to relate working with customers, projects managers and technical teams. • Highly motivated, quick learner, positive and goal-oriented, with demonstrated professionalism, attention to detail as well as the ability to be a good team member and able to lead a team. • Expert in in opensource chat system setup for an organization.

    $16.67 /hr
    269 hours
    5.00
  3. Robert Joseph Batac

    Robert Joseph Batac

    Java Developer/Project Management/Applications/Wordpress

    Philippines - Last active: 1 day ago - Tests: 5 - Portfolio: 1

    I specialize in Java Application Software Development, Project Management, and Hardware Interfacing. Other areas I've been involved in are Web Design, Wordpress, VPN, CMS, Open Source Solution/Customization and Testing for both Manual and Automated, and I recently added Android App Development in my portfolio. I have endeavored in freelance, business, and team and enterprise solution projects. Primary technologies I use are Java SE, Swing, Webstart, NetBeans, PostgreSQL, third party APIs, OpenVPN, Mysql, Selenium and Android Studio. Other experiences I've had are in the line of CCTV Surveillance and Security Systems integration. Please visit my profile website for past projects I have been involved with. http://bertbatac.weebly.com/ Thanks, Bert Batac

    $20.00 /hr
    1,031 hours
    4.95
  4. Gofur H.

    Gofur H. Agency Contractor

    pro*C/C++, plsql, CSS, PHP, flex, AS3, Oracle, Ajax, OOP, C#, .NET

    Czech Republic - Last active: 1 day ago - Tests: 12 - Portfolio: 5

    Over the last 10 years, I have developed a wide range of websites using HMTL,DHTML,CSS, PHP, flex, actionscript including sites for startup companies and small businesses. My core competency lies in complete end-end management of a new website development project, and I am seeking opportunities to build websites from the ground up for you or your business. I also have solid skills in the following areas: MySQL, PostgreSQL, Oracle, Plsql, Interbase Pascal/Delphi, JDK 4,5 and 6JEE 5, c/c++, Pro*c, Web Services SQL, Ajax, OOP, and software design and testing.

    Associated with: Wise solutions

    $38.89 /hr
    1,449 hours
    4.99
  5. Stefano Fratini

    Stefano Fratini

    Software Engineer / Java / PHP / Cloud / NoSQL / Cryptography

    Australia - Last active: 11/18/2013 - Tests: 6 - Portfolio: 8

    I'm a software engineer based in Sydney I'm always after the simplest solution that deliver value to the business Areas of expertise - Web development (Java & Php) - Cloud computing (paas and saas) Google/AWS - API development - Security and Network Security - Mobile applications development (Android) with scalable Cloud Backends - NoSQL solutions - Mentoring and team management - Binary protocols (Hessian / Apache Thrift) Skills Programming languages: Php / Java Core / JEE / Android /Struts / Guice / Spring / Spring MVC, Hibernate / Google Application Engine / C/C++ Databases: MySql / MongoDB / Google Bigtable / Bigdata / CouchDB Interests: Cryptography / Secure API development Platforms: Windows / Linux (Ubuntu) / Linux ARM

    $55.56 /hr
    1,288 hours
    4.86
  6. Andres Vergara

    Andres Vergara

    Software Engineer + Expert Developer [English-Spanish]

    Colombia - Last active: 02/18/2014 - Tests: 6 - Portfolio: 14

    I'm software engineer/developer. I have around 5 years of experience in the area, managing IT projects and developing a wide range and variety of applications, including: web portals, information systems and other custom solutions as scripts & templates. In this way I have worked with a variety of technologies & platforms at the back, middle and front end such as: Java, JEE, Spring, PHP, Zend Framework, CSS, HTML, JavaScript, JQuery, Ajax, Flash + Action Script SQL, PLSQL, Oracle, MySQL, Postgres SQL, SQL Server. I also have experience developing for Moodle LMS and apps for Android devices & tablets. I am seeking to build opportunities for you and your business. Thanks & regards

    $15.60 /hr
    1,370 hours
    5.00
  7. Janos D.

    Janos D.

    Java expert (web, desktop, mobile, server-side, cloud)

    Hungary - Last active: 1 day ago - Tests: 2

    Although I am a new guy on oDesk I am an experienced freelancer, I have worked for years for big companies in Europe as a freelancer Java developer. I can help you: - planning, architecting and - building a new website for millions of users - organising and reviewing a team for you - and of course I can help you in development also #my-tags: Java, J2EE, Hibernate, Spring, Google App Engine, GWT, Javascript, Dart, Html5, Css3, Knockout, Angular, Polymer, Cloud, Android, C#, Azure Java: I have worked lots of years on the server side (Hibernate, Jpa, J2ee, Google App Engine, Spring, Sql, No-Sql) Web clients: I am experienced in a wide range of client technologies (GWT, Javascript, Knockout, Html5, Css, JQuery, Dart, Angular, Polymer) Mobile: I will build you Android apps in Java and hybrid apps in Html5 Mobile optimization: I can help you to (re)build a site to be responsive that will work on all the devices Desktop: I have created several desktop apps with Swing and I had a few projects with Windows Forms. Technologies not in my main focus, but worked with: C#, Azure, PHP, OpenCart, Liferay

    $38.89 /hr
    626 hours
    0.00
  8. Manu Jaggi

    Manu Jaggi

    Mobile Application Developer

    India - Last active: 2 days ago - Tests: 4 - Portfolio: 6

    My overall experience in programming is about 3 years. In the past 3 years i developed several client-server based application on android and IOS for various clients. you can check my profile on Stackoverflow also http://stackoverflow.com/users/1878943/anddevmanu I worked in below mentioned areas. - Facebook and Twitter Integration - Google cloud messaging(GCM) - Ads Integration -Call and Message Tracking - XMPP based chat application - Scoring app for Golf and Cricket - VOIP Implementation - Inapp - purchase - Social Mobile App Development - Photo/Camera App Development - Push Notification - Video Streaming , Audio Streaming - Android Development - GPS Apps - Near field communication(NFC) - Barcode and QR Code Scanner - 3 D Ad Implementation and Video Ad Integration - I-Beacon Expert

    $9.86 /hr
    1,618 hours
    4.43