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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. Simon Weingand

    Simon Weingand

    Senior iOS and Android and Back-end Developer

    Germany - Last active: 1 day ago - Tests: 16 - Portfolio: 2

    Thanks for reviewing my profile As a creative and passionate professional programmer with 10+ years of experience. Major skills: - iOS, Android, Phonegap/Cordova(jQueryMobile, SenchaTouch, Ionic) - Objective-C, Swift, C/C++, Java, - PHP/MySql, Ruby on Rails, AngularJS, Node.js, Javascript, HTML, CSS, jQuery - Parse.com, Amazon, Heroku, MongoDB, RESTful API, AJAX, JSON/XML, RSS - Facebook, Twitter, Instagram, Google+, VK, Foursquare - Paypal, Stripe, In-app purchase - Google App Engine, Google Map Api, Google Drive, GPS, BLE, NFC, iBeacon, VOIP - Git, Bitbucket, Testflight

    $55.56 /hr
    1,363 hours
    5.00
  2. Abdul Basit

    Abdul Basit

    Web & App developer

    Pakistan - Last active: 3 days ago - Tests: 5 - Portfolio: 6

    A self taught Web & App Developer with 2+ years of experience in related fields, I specialize in back-end development along with front-end technologies. It means that I have a familiarity with each layer of development and a commitment to gaining expertise in all software technology. In my case, I enjoy working with businesses and individuals to provide them a web presence that help my clients grow their business, and improve their revenue stream and profitability. My skill sets include: Frontend skills: - Javascript , jquery, ajax; - HTML5 (audio, video, canvas, geolocation, localstorage), css3; - Adaptive layouts/frameworks - Bootstrap, skeleton, 960gs; Backend skills: - PHP, Python,java, .NET; Databases: - Relational: Mysql, MSsql, Oracle; PHP Frameworks/ - Laravel; - Codeigniter CMS: - Wordpress; - Drupal; -Joomla; Worked with: - OS: Windows, Linux - Cpanel, Hosting, Servers ... A professional developer who has worked with clients from around the globe, I am deeply involved in all my projects from start to finish. I listen to my clients attentively and provide them a vision for what they want, and then I collaborate with them to create and execute a plan of action. I continuously provide my clients with the pros and cons on each choice they make and convey my recommendations for their selections. I can fully assure you that actualizing your technical goals is my number one objective. I am 100% committed to maintaining my 5-star ranking. To me, anything less than full and complete customer satisfaction is unacceptable.

    $25.00 /hr
    18 hours
    4.99
  3. Serena Trere

    Serena Trere

    Italian retoucher and photographer

    France - Last active: 1 day 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. Charles Carlo Sio

    Charles Carlo Sio

    Java Programmer, Web Programmer, Graphic Artist, Data Encoder

    Philippines - Last active: 6 months ago - Tests: 5 - Portfolio: 4

    My aim is to be a successful odesk contractor providing consistently excellent quality of work. I am capable of working overtime and available on calls. I'am also used to beating project deadlines. I'am easy to work with and I know with the skills I have that I can do the job you want to do. I'am hardworking and reliable. I have the advance skills in java programming and web programming. I have also a knowledge in graphic works. I have done several projects engaging graphic designs. I can type up to 65 words per minute .

    $6.67 /hr
    34 hours
    4.04
  5. Vasily Dmitriev

    Vasily Dmitriev

    Android developer

    Russia - Last active: 1 month ago - Tests: 2 - Portfolio: 5

    Hello! My name is Vasily and I am android developer. Since 2013, I work in a company that develops hardware for mobile advertising. My job is writting and supporting android program that downloads and shows television commercial and some other information. my experience and skills are: -Android (2.x & 4.x): Fragments API, Location and Sensors API, SQLite, UI, Services, Maps, ActionBarSherlock, Parse.com, etc; -Frameworks: Eclipse RCP; -Web: XML, JSON, HTML/CSS, JavaScript; -IDE: Eclipse; -OS: Linux, Windows; -VCS: Git; -SQL. Also! Design of radio communication equipment is my speciality which I studied at the University. I have half-year experience as a developer of printed circuits. I know: -Autodesk, -Autocad, -SolidWorks, -P-cad, -Altium designer, -cst microwave studio, -etc. So if you need something - you are welcome :)

    $3.33 /hr
    2 hours
    5.00
  6. 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
  7. Ahmet emre A.

    Ahmet emre A.

    Senior Python Developer

    Turkey - Last active: 11/10/2014 - Tests: 3 - Portfolio: 3

    Expert Python programmer, PhD Candidate on Social Network Analysis. Developed large-scale web applications, scripts, desktop applications, scientific visualization sotware, scrapers. Performed data analysis using R and Python. I've been programming for 15 years with various programming languages (C, Java, PHP, Python, Prolog, Scheme, Javascript) and for the last 5 years, I've focused on Python, Django programming. It'd be pleasure to provide good solutions to your software projects. See my website for CV and my projects: http://goo.gl/yp5hDQ

    $37.00 /hr
    4 hours
    4.87
  8. Sarah Khalid

    Sarah Khalid Agency Contractor

    Salesforce Expert/Web Developer/APEX/Visualforce/C#/Java

    United States - Last active: 10/11/2013 - Tests: 4

    I have nine years of extensive experience in architecture, design and development of distributed systems, e-commerce, CRM (Salesforce) and n-tier applications using .Net and Java. I have strong Web development skills with experience in N-tier Client-Server based Internet technology, intranet portal design/development; Web based data reporting system, workflows, Framework development for Internet application. I am a Salesforce Consultant having worked on a couple of advanced application and data integration projects for over 6 years with clients like American Express, Citigroup, AstraZeneca, Nationwide Insurance and EnterpriseDB Corporation. I also have experience with various 3rd party Salesforce applications like Conga and DrawLOOP. Specialties: Apex, Visualforce, Integration via Salesforce API. C#, .NET, Java

    Groups: salesforce.com

    Associated with: IData Solution Inc.

    $50.00 /hr
    1,473 hours
    4.91
  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