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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. 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
  3. 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
    683 hours
    0.00
  4. Pablo Menin

    Pablo Menin

    Experienced IT professional

    Argentina - Tests: 3 - Portfolio: 1

    I'm an expert in technology with an extensive experience in java, php, C#, android, Javascript. Fan of challenging projects. Having worked on more than 15 project including integration between technologies, agile methodologies, with local and remotes teams. Committed to always to add value, creativity, confidence and professionalism to our projects.

    $20.67 /hr
    0 hours
    0.00
  5. Michael Eguruze

    Michael Eguruze

    Programmer (C++, C#, Unity, GLSL, JAVA)

    Bulgaria - Portfolio: 1

    Currently working full-time as a graphics programmer in the television broadcast industry in London, I'm seeking for opportunities in the game development industry. Education: Recently graduated in Computer Science at Technical University of Varna (Bulgaria), with massive knowledge in the problem solving and Object-Oriented Programming. In addition to my 4 years of education I developed skills in Web development, Server-side applications and even low-level memory management. During my free time I am trying out graphics libraries and game engines, as SFML (Simple and Fast Multimedia Library), SDL (Simple DirectMedia Layer ), Unity 3D, Undeal Engine. I also have some experience with OpenGL 3.3 and GLSL. Personal projects: For my Diploma assignment I made a 3D water surface simulation (pseudo-realistic physics) with Unity3D, and during my free time I made my own 2D particle engine on SFML. Improved skills: I gained commercial experience in the programming industry using C++, Java, C#, JScript and Lua Script. For web applications I use PHP, MySQL, JQuery, XML, and others. Deep understanding in linear algebra, physics and good analytic thinking. Other objectives and skills: - Team working; - Multitasking (working over several projects); - Willing to learn and improve my knowledge

    $3.00 /hr
    0 hours
    0.00
  6. Dave Black

    Dave Black

    Owner/lead engineer CoastalBytes Software

    United States - Tests: 2 - Portfolio: 4

    Web/Software developer. Expert in Java, C++/C#, C, HTML5, CSS3, JavaScript, JQuery, AngularJS, PHP/MySQL & Perl. I am an extremely detail-oriented person who loves the art of programming and creating high-quality software. I am used to hard work and getting the job done, on time, satisfying the client's requirements. Have developed front end and back end software for websites including the development of search engines. I am also an application developer in Java, C#, C++, C in Win32/64 API and Linux. While I love web programming, my greatest love is designing security algorithms and cryptography.

    $35.00 /hr
    0 hours
    0.00
  7. 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
  8. 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
    7,353 hours
    5.00
  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. Emil B.

    Emil B.

    Expert PHP developer - Yii Framework

    Serbia - Tests: 1 - Portfolio: 3

    Area of Expertise, 4+ years: Skills: PHP (Yii framework, Code Igniter) HTML, CSS Java Scipt, JQuery Oracle SQL, MySQL, MOngoDB C, C++, JAVA, Matlab Standards: Understanding client, creative and critical thinking, realistic attitude, best coding/designing software practice, responsible, reliable.. Looking forward to: Exciting projects, cool ideas, science projects, enterprise apps, long term projects.. I am also interested in algorithm development specialty:solving hard problems in combinatorial optimization Availability: From 9 am - 12 pm, 7 days a week, in +1 GMT zone

    $15.00 /hr
    0 hours
    5.00