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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. Ilya Obshadko

    Ilya Obshadko

    Software development professional

    Israel - Tests: 5 - Portfolio: 4

    Seasoned software developer, worked as software engineer, software development team leader, system architect, business analyst and project manager. Accurate and well-organized, always looking for the elegant and efficient solutions. Experienced in: - web development (mostly Java and Perl server-side technologies) - mobile software development for Apple iOS Technology background: - programming languages: Perl, Java, Objective C, C/C++, PHP, Clojure, Python, JavaScript - client-side: HTML5, CSS, jQuery, Bootstrap and other JS/CSS frameworks - system administration: Linux, FreeBSD, virtualization (KVM/QEMU), TCP/IP based networks - databases: PostgreSQL, MySQL, Oracle, MongoDB and others - Java development: J2EE, Apache Tapestry, Hibernate, JAX-RS, EclipseLink etc. - XML technologies: XSLT, XSL-FO - mobile development: Apple iOS (iPhone and iPad platforms) LinkedIn public profile: http://ru.linkedin.com/in/iobshadko

    $40.00 /hr
    2,142 hours
    5.00
  2. Andrew Lynch

    Andrew Lynch

    Expert Java/Scala/J2EE/Web Developer

    Australia - Tests: 5 - Portfolio: 2

    I'm looking for challenging and creative projects which allow me to focus on my true passion : coding! I'm an expert in Java development with over 10 years experience, and I've worked for some of the best software development houses in Australia. I also have several years of Scala development experience. I'm looking for additional challenges outside the usual demands of a typical 9-5 job.

    $45.00 /hr
    800 hours
    4.80
  3. OLEH VOLKOV

    OLEH VOLKOV Agency Contractor

    Expert in C# technical drawing, 3d-modeling, database

    Ukraine - Tests: 9 - Portfolio: 6

    I am writing programs last 22 years. I have been programming languages ​​C, C++, Java, C#, SQL, javascript, html, pascal, php, assembler, basic. I worked with Linux, Novell Netware, Windows, OS/2(ATM). I have been working for 10 years in different banks. I have deep knowledge in programming for financial institutions. Of course I create software and services for bank data base. I create 3d details in Solidworks and CAD system. I write desktop applications, web and mobile applications. I am writing code easier to understand, I do a lot of comments, I try to maximize test and exclude all of the error. I am also record in the log file to identify any errors in the application. This approach pays off when the need to make changes to it in the future. When I work, I am constantly in touch with the customer to ensure better cooperation between us. So, if we work together, you can expect that I will be constantly available, because if I were in your position, I would like the same thing. Experienced in: + Small and Very Large Databases + Desktop application + Client-server applications + Mobile application + 2D Game application + Small Web application development + Structured and OOP development best practice. + Work within a technically complex and fast-paced environment. + Solution researching and prototype development. + 3D modeling parts of mechanisms Specialties: + Application Platforms: Desktop, Mobile and Web + Concepts: OOP, Design Pattern, 3D modeling + Languages: C#, Java, PHP, AJAX, SQL, C/C++, Pascal, Markups (XML, html, CSS) + Database Systems: PostgreSql, Sybase ASE, MySQL, Microsoft SQL Server, Oracle, Firebird, MS Access + Application Server: Apache, IIS + Operating Systems: Linux, Windows, Android + Tools: Visual Studio, Eclipse, C++Builder, Delphi, Solidworks, Archicad Why should you hire me? - 100% money back guarantee if not satisfied for any reason - I am always available to communicate

    Associated with: Region IT

    $16.67 /hr
    152 hours
    5.00
  4. DynamIT Solutions

    DynamIT Solutions Agency Contractor

    Web | Mobile | Desktop | App Development Experts

    Pakistan - Portfolio: 8

    DynamIT specializes in providing professional services by developing and supporting complex custom-made Software & Web Applications with the drive of increasing the effectiveness of your business. We have more than five years of experience in the development of complex and multi-functional systems. If you have a complex project, which requires integrating several platforms and technologies - never hesitate to contact us. Our experts will help you to take the right decision. We are always looking forward to develop a long-term relationship with clients. Please find below some of the salient features that you will enjoy after you have decided to choose us for your projects. - Daily project progress reporting mechanism. - Multiple communication channels to ensure extensive interaction with client. - Complete training to ensure that client is acquainted with the final product. - Compliance with project scope defined. - Thorough testing/QA is being conducted. - Ensure delivery

    Associated with: DynamIT Solutions

    $11.00 /hr
    36 hours
    4.97
  5. Van Wilson

    Van Wilson

    BIG DATA, BI Analytics, DBA, ERP, Tableau, Java, Datawarehouse

    United States - Portfolio: 1

    Being a Programmer for over 15 years I have worked with many GUI, Websites, dotcoms, ERPs and languages. I also have a BA and graduate classes towards MBA at Pepperdine. I am Microsoft Certified Trainer and DBA for MS SQL, MSSAS, NAV and SAGE Certified for SAGE 300. I recently created 5,840 tableau reports and automated the xml, server, and desktop of tableau. The report data came from a data warehouse that I created using ETL, indexes, views, cubes, agents, automation, and performance tuning for. I have programmed to SAGE 100,200,300, MS NAV, Peoplesoft, Xtuple, Oracle, Quickbooks Enterprise. I have made datawarehouse indexes, tables, views, cubes and been DBA for Oracle, SQL Server, Mysql, PostgreSQL. I program in VB, PHP, .NET, ASP.net, Java, D3, jscript, Jasper, To view my full profile, email me for at vfw4444@gmail.com.

    $29.44 /hr
    74 hours
    4.00
  6. Boris G.

    Boris G.

    Certified web/desktop applications developer

    Russia - Tests: 6

    Proficient, efficient, self-motivated PHP / Javascript / C++(Qt) developer. Have strong skills in both web and desktop applications development: 7+ and 3+ years of experience correspondingly in commercial programming; together with strong mathematical background.

    Groups: Zend Certified Engineers

    $25.00 /hr
    132 hours
    5.00
  7. Ehtesham Choudhury

    Ehtesham Choudhury

    Database Specialist

    Bangladesh - Tests: 2 - Portfolio: 4

    As an adaptable, analytical and creative person, I am trying to establish myself as an IT Professional where I can be an asset to the industry by utilizing my strong problem-solving, organization, technical and communication skills in performing concerned duty at concerned organization.

    $11.11 /hr
    3 hours
    4.16
  8. Ruben Souto Perez

    Developer / Desarrollador

    Spain - Tests: 1 - Portfolio: 3

    I work as a programmer, analyst and consultant in a spanish software development company. I'm experienced working with the following development tools: - C/C++. - Delphi. - Visual Basic 6. - vb.net. - Java. - Python. - PHP. - HTML. - CSS. - Javascript. - XML. - SOAP. - Sql Server. - PostgreSQL. - MySQL. - dBase. --------------------- Realizo funciones de programador, analista y consultor en una empresa de desarrollo de software española. Tengo experiencia trabajando con las siguientes tecnologías: - C/C++. - Delphi. - Visual Basic 6. - vb.net. - Java. - Python. - PHP. - HTML. - CSS. - Javascript. - XML. - SOAP. - Sql Server. - PostgreSQL. - MySQL. - dBase.

    $11.11 /hr
    229 hours
    5.00
  9. Vladimir E.

    Vladimir E.

    Lotus Notes/Domino Web developer

    Russia

    I have experience designing solutions based Lotus Notes/Domino platform, geographically distributed systems, RDBMS store data systems (DB2). My core competency lies in Web based development (XPages, DHTML), but I have a rich-client development experience also. Also I good in: Lotus Notes/Domino system administration, deployment, SQL-query optimization, project management. I use languages and technologies: Lotus Script, @formula, Java, Java Script, SQL, XPages, Ajax. I can work about 20 hours in a week.

    $17.00 /hr
    0 hours
    0.00