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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. Juan felipe M.

    Juan felipe M.

    Software developer

    Colombia - Tests: 2 - Portfolio: 1

    I have worked on enterprise Java projects for the past two years under CMMI 5 guidelines and SCRUM methodologies. I am goal oriented and highly assertive in my communication. Capable of adapting to new changes and new technologies, and incorporate good practices in my every day work. I also have a background in the videogame industry having worked in 4 different videogames for flash portals in AS3.

    $22.22 /hr
    276 hours
    5.00
  2. Denis Jefimov

    Denis Jefimov

    Android / Javascript / Java / PHP / MySQL developer

    Finland - Tests: 8

    I have over 4 years of solid IT experience. My core competency lies in back end technologies like API development and/or integration and databases design. Having a business administration experience I'm able to contribute to project from technical and from business points. I love to expand the domain of my knowledge and work experience in any field. Areas of expertise: - Gathering and analyzing project requirements - Android App Development (Phonegap, Ionic) - JSON, XML, SOAP - Wordpress - HTML5, CSS - Oracle, MySQL, PostgreSql - Facebook API, SMS Gateway, Payment Processor - Java, Spring

    $25.00 /hr
    367 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 - 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
    1,454 hours
    4.99
  4. Masoom Raza

    Masoom Raza

    Software Engineer, Java/J2EE Developer

    India - 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
  5. Andres Vergara

    Andres Vergara

    Software Engineer + Expert Developer [English-Spanish]

    Colombia - 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
  6. John Clarke

    John Clarke

    Web, Desktop Applications and Database Developer

    United States - 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
  7. Janos D.

    Janos D.

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

    Hungary - 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
    682 hours
    0.00
  8. waqar ul haq

    waqar ul haq

    Software developer skilled in Mobile and web development

    Pakistan - Tests: 4 - Portfolio: 3

    Over the last 5 years i have developed my programming skills mainly in web and mobile development. I am a free lancer for more than 2 years now. In total i have more than 250 ratings of doing different projects of web development, mobile development in Android, Windows phone, I phone, Titanium on different freelancing forums like odesk. My skills in detail: Desktop and windows development in VB.net, C++,C#, mysql, XML, html, Java, ajax, OOP. Web development and web programming in asp.net, php, Zend, wordpress, Joomla, Ruby on rails, Mobile development: in android SDK, Eclipse, titanium, phonegap, Windows Phone and titanium development for android and i phone both.

    $11.11 /hr
    1,176 hours
    3.97
  9. Karsten Priegnitz

    Karsten Priegnitz

    Java, Linux, PHP, Android, SQL Expert and Translator

    Germany - Tests: 5

    I'm a highly skilled Java developer. I'm also excellent in Javascript, Linux administration and scripting, Database / SQL programming, Android development and HTML, JSP, AJAX, PHP and perl. I studied informatics in Germany and Spain and worked for 11 years in a state owned bank in Lower Saxony as a software engineer and project leader. I finished both with outstanding appraisals. My second biggest interest is the English language. I studied English in school as one of my favourite subjects (besides math). I can translate from English to German quickly and communicate in English fluently.

    $50.00 /hr
    463 hours
    5.00
  10. Muhammad S.

    Muhammad S.

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

    Pakistan - 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
    7,348 hours
    5.00