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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. Diksha G.

    Diksha G.

    My MANTRA is Client Satisfaction + Job Satisfaction

    India - Last active: 5 days ago - Tests: 12 - Portfolio: 56

    I am working as a freelancer since June 2013. I specialize in-- + PHP/MySQL + Dreamweaver + WordPress Website Development + Video Transcription, Production and uploading + Logo creation + Banner design + Technical and Creative article writing + Amazon kindle creation + Ebook-cover creation + MS Powerpoint ppts. + Data Entry and Research Strength- + Creativity skills + Quick learner + Explorer + Dedicated + 100% Client satisfaction + Available 24x7 via emails, skype + Responsiveness and Communication When I am completing a job, my focus is solely on the job! I have worked in a core software development company where my project is - 'Online Shopping' in addition to several other modules related to Online Library Portal.My project name is 'lsnet.in'. I worked on the front-end (the Look & Feel part) where I do basic scripting, form designing using our company's in-house interface as well as on the Back-end (the DataBase part), wherein I develop several utilities for the maintainence of the website. Complete project is Java based.

    $11.11 /hr
    89 hours
    4.87
  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. 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
    1,453 hours
    4.99
  4. 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
  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. 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
    666 hours
    0.00
  7. Amitesh Chauhan

    Amitesh Chauhan

    Web Developer

    India - Last active: 19 days ago - Tests: 1 - Portfolio: 4

    The opportunity presented in this listing is very interesting, and I believe that my strong technical experience of 1.6 year and education will make me a very competitive candidate for this position. The key strengths that I possess for success in this position include: · I have successfully designed, developed, and supported live use applications. · I strive for continued excellence. · I provide very good contributions to development team. With a B.Tech degree in Electronics and Communication, I have a full understanding of the full life cycle of a software development project. I also have experience in learning and excelling at new technologies as needed. Please see my resume for additional information on my experience.

    $10.00 /hr
    136 hours
    4.82
  8. Muhammad S.

    Muhammad S.

    A results-driven, customer-focused, and analytical Senior Software Eng

    Pakistan - Last active: 1 day ago - Tests: 23 - Portfolio: 1

    Are you searching for a senior IT Professional with a proven ability to develop high-performance applications and technical innovations? Over the last 8+ years, I have have been repeatedly recognized for developing innovative solutions using ASP.NET (C#) MVC, WFC, WPF,, SQL Server, PHP/MySQL. I am responsible for full life cycle development of next-generation software, from initial requirement gathering to design, coding, testing, documentation and implementation. My technical expertise includes cross-platform proficiency (Windows, Unix and Linux); fluency in more than 10 scripting/programming languages (including C, C++, C#, VB, Java, PHP and SQL); and advanced knowledge of developer tools, methodologies and best practices (including OOD, client/server architecture and self-test automation).

    $25.00 /hr
    7,303 hours
    5.00
  9. Victor D.

    Victor D.

    iOS(Swift) | Android(Java) | Kony | Titanium | PhoneGap | AngularJS

    Singapore - Last active: 1 month ago - Tests: 4

    iOS(Swift) | Android(Java) | Kony (Certified Developer) | Titanium | PhoneGap | AngularJS | Sencha | Spring MVC | ASP.NET MVC | Liferay Portal | Wordpress | PHP | Node.JS (Express) | GreenSock | D3 I have expertise in delivering high quality websites with cutting edge technology with support for latest browser and mobile. Further I can also help you in digital content development for your site if you require as I've expertise in Creative Content Development and Business Analysis. 1. HTML5 Web and Mobile MVC Applications Angular JS, BackboneJS, KnockoutJS, Can JS and API viz. Audio, Video, Canvas, WebSocket, FileReader, Local Storage, Applicaiton Cache 2. Hybrid Mobile Applications (Cross Platform) Phonegap and Titanium 3. Native Android and iOS Applications 4. Web Design. (Fixed and Responsive) CSS3 Animation, Grid CSS like Twitter Bootstrap, 1140 Grid, Square Grid, Topcoat (CSS for Mobiles), Media Queries, Web 2.0 Standards, W3C Compatible 5. Javascript Libraries jQuery, jQuery Mobile, ExtJS, Sencha, Dojo 6. ActionScript 3.0 + Flex Framework 7. Server Side NodeJS, PHP, Ruby, Rails, Java, JSP, Servlet, JSF, Primefaces 8. CMS Wordpress, Drupal, Joomla, Liferay Portal 9. Shopping Platform Magneto, Shopify, Prestashop 10. Databases MySQL, Microsoft SQL Server, MongoDB (no sql database)

    $35.00 /hr
    1 hours
    5.00
  10. Yahya Sabry

    Yahya Sabry Agency Contractor

    Senior game developer and producer

    Egypt - Last active: 5 days ago - Tests: 2 - Portfolio: 1

    I'm Yahya, Senior game developer and producer, I would like to help in building your success story. I have built my own experience in both development and producing though my gaming start-up Funwave Games. So, most likely I know what exactly you are looking for and can help in many other points that you might have not much experience in like: 1- Games KPIs and our targeted values (Activation, Retention, Virility, Engagement, ARPU, ARPPU, DAU/MAU) and provide reporting system to keep track with your your game with daily and weekly report. 2- Top F2P monetization techniques and how to have healthy successful game (Acquisition cost < LTV ) like introducing virtual currency, using progress gates and reward removal model with the effect of fun pain. 3- Growth hacking, market and SEO best techniques, and more 4- Socialization and get max effect of social networks as I believe one of the most important keys to have successful game is social effect and if we have well engineered social game, most likely we have successful game. -------------------------------------------------------------------- Please let me share with your some info about me. Titles: ............ * CTO – Funwave Games, 2011 - Present =>League Champion: Football manager simulation game, Available on: Mobile and Web – Using Unity => Ultras: Football simulation game, Available on: Facebook - Using Flash and AS3 *Game Producer - Nezal Ltd, September, 2014 – April, 2015 =>Football Rush: Casual football game available on: Facebook, Android, iOS and Web – Using HTML5 ------------------------------------------------------------------------------ Skills Technical Experience ............................................. Front End: ..................... AS3 (2011 - 2013), Unity and C# (2014 - Present), Java (2007 - 2011), Android (2010 - 2011) and BlackBerry (2009 - 2010) Back End: ..................... Ruby on Rails (2014 - present), Sinatra (2013 - present), PHP (2011-2012), Java EE (2009 - 2011), Couchbase (2011 - 2013), MongoDB (2013 - present) and AWS (2011 – present). Strong organization, analytical and management skills. Deep knowledge about games KPIs and targeted values Writing gaming insightful insights on funwavegames.com/blog.html --------------------------------------------------------------------------- Education: ....................... Bachelor of Engineering – Alexandria University, Computer Software Engineering, 2007 – 2011 ------------------------------------------------------------------------------------ Funwave Games website: http://funwavegames.com/ Please find me in Linked in here: https://www.linkedin.com/profile/view?id=87913213 Skype: yahya.sabry eMail: yahya.sabry@gmail.com Mobile: +2-0100-45-49-167 Thanks a lot for visiting my profile Yahya Sabry

    Groups: Android

    Associated with: Funwave Games Ltd

    $24.00 /hr
    158 hours
    5.00