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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, 575 Java projects are completed every quarter on Upwork.

575

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: July 1, 2015
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  1. Biju J.

    Biju J.

    Web applications,Access & Excel VBA/Macro developer

    India - Last active: 1 day ago - Tests: 4 - Portfolio: 7

    Seeking challenging assignments for software development (windows and web), VBA Programming, auto processing / manipulation of excel and word documents. Technically sophisticated professional, offering 16+ years of insightful experience in Computer Programming, Software Training and Troubleshooting in India and abroad. During my 16 years of work experience, I have developed many software applications using the technologies Java / JSP / HTML / JavaScript / ajax, C#, Visual Basic, VB.Net, Visual Foxpro, Excel VBA, Word VBA, MS SQL Server, Sybase and MS Access. Example of work done : Work Order Tracking System, Call Desk Ticket Scheduling System,Payroll system, Water Connection & Billing System, Time Sheet & Cost Tracking System, Estimation System, Mail Server System, IT Help Desk & Tour Management System etc. I also have very good experience in Microsoft Office Package Excel,Word and PowerPoint. Expert in making forms in MS Excel and Word with validation, functions, macros and VBA application. Example of work done in excel : Developed function using excel macro to convert number to word (spell number). Developed excel form with look up functions, validation to verify the invoice of contractor. Developed a MS Word VBA application for extracting content from another word file and insert data in a new document based on the selection criteria in a cascading list box. Award: I received award from Saudi Arabian Oil Company for the automation of Work Order Processing with paperless workflow.

    $22.22 /hr
    1,209 hours
    4.98
  2. Prasetyantoro R.

    Prasetyantoro R.

    Odsek freelancer

    Indonesia - Last active: 1 month ago - Tests: 4 - Portfolio: 1

    my objective is to show that i can complete all the job given to me as fast as posible. with your satisfaction become my first priority. my speciality is at linux server configuration, php, html,css,javascript (vanilla / jquery), java, ruby on rails, mikrotik router, bash scripting . basicly im still college but i've got some freelance work in my country as server administrator gaming server for about 2 years and hotspot internet service with mikrotik router and ubnt device as access point.

    $9.00 /hr
    1 hours
    4.78
  3. Serena Trere

    Serena Trere

    Italian retoucher and photographer

    France - Last active: 16 hours ago - Tests: 9 - Portfolio: 2

    I'm a photographer and a retoucher with a specialization in beauty retouch. I've spent the last two years traveling around the world to discover different cultures, languages and people and to progress in photography, field in which I am freelance since 4 years with a specialization in retouch. My web site contains my travel blog in both english and italian as well as my photographic and retouching portfolio: http://www.artificialstage.net In 2014 I've also took graphic design and typography and calligraphy classes. I've lived 28 years in Italy and 4 in France, I'm italian mother tongue and fluent in written and verbal english and french. I've past working experiences as java developer for a IT company in France. Having worked in different domains allows me to be open and reactive and having lived in different countries helps me in understanding different ways of working and communicating.

    $15.00 /hr
    4 hours
    4.82
  4. Ahsan Shahid

    Ahsan Shahid Agency Contractor

    Web , Mobile apps Developer, Matlab expert and Google SoC 2013 Winner

    Pakistan - Last active: 1 day ago - Tests: 10 - Portfolio: 7

    I am a goal-oriented professional with an aim to provide customer-satisfactory solutions in minimum time possible and with minimal supervision. I was GOOGLE SUMMER OF CODE 2013 WINNER, which is a program initiated by Google in which I had to write code for Open Source Organizations under Google's Supervision. Moreover, I also worked in the past for a software firm named App-Desk. I have been developing software since High School. I have 5 years of experience with Drupal and Code-Igniter frameworks. I have attained a number of skills during my Electrical Engineering Degree as well. I have sufficient expertise in programming languages as: 1. C/C++ 2. C# 3. JAVA 4. Python 5. PHP 6. JavaScript/JQuery 7. CSS 8. HTML 9. MATLAB 10. Octave I have experience in the following frameworks: 1. Drupal ( PHP ) 2. WordPress (PHP) 3. Code-igniter (PHP) 4, Qt ( C++) 5. Django (Python) I also have extensive experience working with MySQL databases. Moreover, I also have experience in building mobile applications on android.I have made a course-manager on android as my final year project. So I am also comfortable with developing applications for android. I also have sound knowledge of working with sub-version systems as well ,like 1. Git. 2. Mercurial. It is my commitment and promise to provide best possible work by following industry-level coding standards , and in minimum possible and with 100% client's satisfaction.. I also possess expertise in Electrical Engineering softwares and technologies as: 1. ISIS Proteus. 2. Verilog. 3. AutoCAD 4. MATLAB 5. OCTAVE. (I volunteer for octave development as it is an open-source software). 6. ARES. 7. Atmel Atmega Microcontroller programming. 8. Digital Image Processing. 9. Beagle Bone and Raspberry pi related embedded systems configuration. 10. Circuit Designing. During the course of my degree , I have studied following subjects: -Digital Image Processing. -Calculus -Control Systems -Embedded Systems -Software Engineering -Digital Logic Design -Computer Organization and Architecture. I also possess certificate from Google for working for Open-Source organizations during the summers which speaks itself about my skills and dedication to my work. Some Notable Projects relating to Electrical Engineering that I have done are: 1. Autonomous Road-Traffic Control System. 2. Line-Following robot purely based on Digital Logic Design. 3. a TV-remote controlled home automation system with a capability to set timers to turn on/off the appliances. 4. A go-to-goal and obstacle avoider robot based on ultra-sonic sensors. I am a software developer by passion. I love writing code , that is the reason I also volunteer to open-source organizations as well. Now I am starting my professional career as a free-lancer to fulfill my dream to be an entrepreneur. Why You should choose me? 1. I am passionate about writing code and helping others. I also volunteer for open-source organizations like GNU Octave. 2. I am Google Summer Of Code 2013 winner as well. 3. I have ability to work through 24 x 5 . 4. I can work on a timezone comfortable to Client. 5. Able to share reports with the client on daily-basis. 6. Able to work under minimum-supervision. 7. Able to work more-efficiently if goals are clearly-stated. 8. Can also on week-ends if needed. 9. Keep total transparency during the project development. 10. Despite being a student, I have experience for working with the industry-leading professionals and companies.

    Associated with: ASH Solutions

    $21.67 /hr
    314 hours
    4.33
  5. Atid Gharbi

    Atid Gharbi

    Freelance Programmer: Java, PHP, HTML, JavaScript, CSS, PL/SQL, Prolog

    Tunisia - Last active: 04/17/2012 - Tests: 7 - Portfolio: 6

    Hi, I'm Atid Gharbi and I have a licence degree and a masters degree in computer engineering. Over the last 4 years, I have developed a number of Desktop Applications using mainly Java and MySQL, I also worked on a few Web Applications using J2EE, PHP, HTML and CSS. Some of those applications were personal projects and others where for other people. My main field of expertise is Java and PHP programming, but I also have some experience in the following areas: SQL, PL/SQL, OOP modeling and Prolog. I'm fluent in English, Frensh and Arabic (written and verbal). I'm available more then 40 hour per week, I hope you contact me

    $11.11 /hr
    17 hours
    5.00
  6. Alexander L.

    Alexander L.

    Java J2ee Master

    Ukraine - Last active: 11/27/2014 - Tests: 1 - Portfolio: 2

    With over 8 years of experience in IT, my goal is to build professional Java applications. My areas of expertise include a broad range of technical experience focused on software development and data design. In the last projects I've used Java-Swing, Applets, Java Processing 2.1, MT4j, JBoss 5.1, Oracle 9, YUI, Javascript, HTML, CSS, JDBC, EJB 2.1 and a lot of other libraries and technologies. Also I have some experience with Python.

    $150.00 /hr
    259 hours
    5.00
  7. Abhishek Bhambri

    Abhishek Bhambri

    Expert Php,Testing,Jquery, QA, Test Automation,JIRA,SVN,

    India - Last active: 08/20/2014 - Tests: 7 - Portfolio: 4

    Over the last 3 years I have devloped a wide range of websites using PHP, CSS3, HTML5, Jquery, Jquery UI, MySQL, Ajax, DHTML including sites for startup comapnies as well as social networking sites. I am a team oriented person with excellent interpersonal skill and strong analyticall skills. I have also worked as a senior web developer for social networking site mihubs. I can build a medium to big size custom CMS application using structure based on Wordpress, phpBB Drupal using various techniques such as Php, AJAX, JavaScript and Jquery. I have developed websites on Social Networking platform using BuddyPress,Wordpress and I have an expertise in developing custom modules, plug-ins and components of Buddypress and Wordpress. I am well versatile with layout or website designing with CSS driven tableless and div tags for better search engine visibility. Some other API Intgerations i know and have worked with -CC Avenue Integration - Facebook Integration - Twitter API Integration - Facebook Appilications

    Groups: Bluehost Developers and Designers, LoginRadius

    $20.00 /hr
    128 hours
    5.00
  8. Shadab Hussain

    Shadab Hussain

    Expert Java Developer

    Pakistan - Last active: 4 months ago - Tests: 1 - Portfolio: 8

    Experienced Software developer with skills Java,XML, C#, Android and C++. I have over 3 years of web development experience in JavaEE, ASP.NET and PHP platforms with different databases SQL Server, Apache Mysql, Oracle and Derby. • Strong OOP and Software engineering concepts. • Very Good Knowledge of Java SE & JSF, JSPs and Servlets • Basic knowledge of Spring Framework • Excellent at application programming in Java and data structures • Have developed Software application following whole life cycle i.e. from requirement gathering to implementation phase keeping agile development practices in mind. • Very good understanding of databases and database modeling • Extensive knowledge of data structures and have implemented myself • Can Model classes from specification and very good at Project Documentation • Very good knowledge of XQuery and SQL • Very good experience of working with RSS and Media RSS • Worked with relational as well as NoSQL Databases • Developing Electronic Medical Record System (Medical Drop Box) according to standards of HL7 as my Final Year project of undergraduate degree. • Excellent communication skills in English both oral and written.

    $22.22 /hr
    5 hours
    4.97
  9. Lalith Jayasinghe

    Lalith Jayasinghe

    JAVA | PHP |Automation | Linode | OpenShift | Heroku

    Sri Lanka - Last active: 17 days ago - Tests: 3 - Portfolio: 4

    Looking for challenging desktop/web Application development(cross-platform) and Linux system administration. I am specially interested in... 1. Cross-Platform Automation. 2. Cross-Platform SEO Utility. 3. Linux server administration. 4. Cloud app development (OpenShift,Heroku,AWS,Google) I achieved sun(oracle) certification in 2005 and I have 7 years+ experience as coder.

    Groups: Corona Labs

    $11.11 /hr
    7 hours
    5.00