Senior Java Developers & Programmers

Get Your Java Programming Project Started Today!

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, 623 Java projects are completed every quarter on Upwork.

623

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 4.70.

4.70
Last updated: May 1, 2015
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  1. Dmitry Slepnev Agency Contractor

    Java/C++/PHP/python Developer

    Russia - Last active: 03/03/2013 - Tests: 4

    Programming Languages and Technologes: Java, C++, SQL, PHP, python, HTML, XML; Databases: MySQL, Access, MS SQL Server; Tools: Borland Delphi (7, 2009), Microsoft Visual Studio 2005/2008/2010, ErWin; Libraries: Boost, Qt;

    Associated with: KM Ware Ltd

    $5.56 /hr
    0 hours
    0.00
  2. Serge Rudometov

    Serge Rudometov

    Expert Java and iOS developer

    Russia - Last active: 3 months ago - Tests: 2

    My job experience is 14 years. I am a scientist (area - computer science), and I received my PhD in area of computer simulation. But also I am interested in any area of work related both to the newest and old-good areas of computers. This is not only a good chance for me to earn some money, but also improve my overall level of computer knowledge and life experience. My primary areas are Java and (since last years) mobile applications development for iOS (primarily). I finished a number of applications for iPhone and iPad, some of them are still in Apple Appstore. One of them was even elected as best appstore application of a week. And I know Java development in nearly all its areas, starting from first java applets, down to the contemporary enterprise server-side solutioins and Eclipse desktops and mobile solutions. This also includes knowledge of all related technologies like RDBMS (Oracle, MySQL, etc), PHP programming, server management. My other areas of intrerest are: - scientific programming; - driver development; - development of compilers (Fortran, Java) - real-time systems (development and management) - face recognition systems (opencv, openbr-based) I also have an experience in project management.

    $15.00 /hr
    104 hours
    3.00
  3. Seif Allah Bader

    Seif Allah Bader

    Wordpress Developer|| SEO Consultant || Java Programmer

    Tunisia - Last active: 12/13/2014 - Tests: 2 - Portfolio: 4

    Programmer with background in system software, applied mathematics, statistical machine learning, and application development available for medium-term and short-term contract projects. Comfortable taking on projects involving algorithms, compilers, servers, databases, multithreading, drivers, distributed systems, Unix, OpenGL, embedded systems, application development, cloud computing, and web programming. C, C++, Java, JavaScript I am: ► work seriously & accurately, very pedantic in my work, attentive to details; ►"respect" deadlines and always trying to fit in it; ► hard-working, responsive, sociable and always positive; ► extremely fair and honest;

    Groups: BigCommerce, BoonEx...

    $3.33 /hr
    4 hours
    5.00
  4. Mani G.

    Mani G. Agency Contractor

    Mobile Application Developer (Android and java)

    India - Last active: 1 month ago - Tests: 4 - Portfolio: 5

    Expert in Android apps / html / javascript / css / java / android / sql / sqlite / database / webservices / json / xml parsing and much more Working for the past 2 years developing Android mobile apps.

    Associated with: dataman Compuer Systems (P) Ltd

    $33.00 /hr
    0 hours
    5.00
  5. Igor Tyulkanov

    Igor Tyulkanov

    Android/Java developer with good experience

    Russia - Last active: 20 days ago - Tests: 3

    Currently I am software developer. I have a good and interesting experience in developing of software for Android platforms. Totally I have 4 years experience in Android development and over 4 years experience in Java development. Also I have some experience with Databases (SQL and no-SQL) communication, web (HTML, CSS, JS) and server side (Python and PHP). And I try to get more and more experience for creating really good and useful products. Until recently, I worked on the Russian market, but few projects have been carried out for the European customers and they were happy.

    $16.67 /hr
    46 hours
    4.43
  6. Waleed Adel

    Waleed Adel

    Professional English-Arabic translator / Expert java developer

    Egypt - Last active: 16 days ago - Tests: 4

    I am an accurate translator, I can translate English to Arabic and vice versa . I am fluent in English and my Arabic is my mother tongue. I have been doing translation for three years. I have translated websites, Android applications, letters, menus, articles, business documents, and personal documents. I am a Software Engineer with 3+ years experience solving problems by designing and building a good quality software. 3+ years Java, C and C++ development experience as primary languages. I have a good experience in Android development . I have done projects like : Paint App Fishdom (game) with Java . and Tic Tac Toe (game) with Android . I can type 60 words per minute and i am good at converting PDF and images into a Microsoft Word document.

    $5.00 /hr
    10 hours
    5.00
  7. Anshul Maheshwari

    Anshul Maheshwari

    Sr. Java / .NET / ASP.NET / C# Developer

    India - Last active: 18 days ago - Tests: 7 - Portfolio: 2

    Microsoft Certified Application developer (MCAD), Having total 7 Years of experience in (ASP.NET 2.0/3.5/4.0, C#, VB.NET, WCF, SQL Server, XML, XSLT,Java,J2EE, JavaScript, Ajax, Web Services, ASP Map, Actual map, Google map)software analysis, design, implementation, testing, deployment and maintenance Key Skills : ASP.NET, C#, VB.NET, WCF, WPF, SQL Server, JavaScript, AJAX, JQuery, Web Services, Google Map API,Crystal reports and SSRS.

    $16.67 /hr
    28 hours
    4.97