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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. Rajvinoth A.

    Rajvinoth A.

    PHP,Wordpress,Drupal,Opencart,Cakephp,HTML,CSS, Mysql,JS,dotNet,C#

    India - Last active: 1 day ago - Tests: 6 - Portfolio: 9

    Web developer with over 9+ years of experience. I am specialized in PHP and My SQL.I’m proficient in many tools that i use html5,css3, Java Script XML and Ajax , CMS and languages (WordPress, Joomla and PHP). My mission is to provide high quality websites, eCommerce solutions, domain and hosting services that enable small and medium businesses to establish online visibility, increase sales, and improve productivity by developing modern eye-catching layout based websites. My areas of expertise are: System Analysis/performance tuning, Php, Mysql, C#, SQL, .NET, HTML 5, CSS, XHTML, UML, ASP.NET, VBScripting, UML, OpenCart, Wordpress, Paypal, Authorize.net, Payment Gateways, API Integration etc... Looking forward to assist my clients technologically.

    $19.99 /hr
    155 hours
    4.91
  2. Max Khlystov

    Max Khlystov Agency Contractor

    Full-Stack Developer

    Russia - Last active: 1 day ago - Tests: 2 - Portfolio: 10

    Professional area: Project Management, Startups, ERP, IT Security, Banking Software, CRM Systems, Web Engineer, Software Development, API Development, Dev/Ops, High performance and High availability services. Key skills: - Python (Django, Flask) - Java (Spring, Play, Hibernate, Android) - PHP (Laravel 3-5, YII 1-2, CodeIgniter, Zend 1-2, Symfony, CakePHP) - JavaScript (jQuery, AngularJS, NodeJS, Backbone.js, Ajax) - Ruby (Rails 3-4, Sinatra) - SQL / NoSQL (Cassandra, Redis, Mongodb, MySQL, PostgreSQL) - C/C++ (Qt, Android NDK) Glad to join large, long-term projects. Always open to learn and start using new language / technology / API.

    Associated with: Techies

    $22.22 /hr
    1,013 hours
    4.87
  3. Victor Macik

    Victor Macik

    Software Developer

    Germany - Last active: 07/22/2013 - Tests: 1

    Over the last 12 years, I have developed a wide range of websites and backend solutions using Java, C++, PHP, and MySQL including sites for different scales of clients. My core competency lies in complete end-end development of backend solutions, along with turn-key products. Feel free to consult with me on any matter, as I'm working independently I promise to provide help even if you aren't interested in conducting business together - this is just the friendly way.

    $33.33 /hr
    33 hours
    0.00
  4. Hitesh Pahuja

    Hitesh Pahuja

    Senior Java Developer

    India - Last active: 10/14/2013 - Tests: 3

    Let me introduce myself as Hitesh Pahuja, having 9 years of IT experience as Senior Java Developer/Analyst. I have a strong background in Object oriented architecture, analysis, design and software development using latest technologies like Java, J2EE , Scala, Akka technologies. • Expertise in Product Iterative Development Model, Agile software development technique using principles like Test Driven Development, Continuous Integration and Automation testing etc. • Expertise in working throughout the project full-lifecycle, had worked on every phase of SDLC e.g. Application Security, Deployment, Requirement Handling, High level designing, Data Analytics and Statistics, Enhancement etc. . Experience in Application security at various layers like Web layer [ Fiddle, Nessus etc.], Web-Services Layer [ SSL, Fuzzing] etc. Extensive experience in Agile delivery of software using practices from Scrum, eXtreme Programming etc. Well versed experience in Test Driven Development, Mocking techniques and CI tools like Bamboo, Cruise Control and Hudson etc. I had worked with various types of applications like • SOA based using web services technologies. • Messaging based using JMS over JBoss/IBM Web Sphere. • Web-based application using technologies like Spring MVC, HTML, JavaScript, Ajax, JQuery etc. • E-Commerce based application. • Customer Support based application which involves dealing with client calls and resolving their technical issues. I have expertise in various domains like Banking [Retail and Loan based], e-Learning, Publishing Education and Retail etc. I am very keen to learn new technologies and business knowledge. I accept challenges and can work independently, can lead a team and act as a mentor to my juniors on technical front. For employment prospective I am open to contract role and on negotiable rates. I can make assure my stability with company and available immediately. Sincerely, Hitesh Pahuja, Hitesh.pahuja@gmail.com http://www.linkedin.com/pub/hitesh-pahuja/8/55b/3a

    $27.78 /hr
    550 hours
    0.00
  5. Thomas Congrove

    Thomas Congrove

    Software Developer, Production Support, entry level DBA ltd. avail.

    United States - Last active: 04/16/2014

    Currently working as an Sr. IT Applications Developer for a Fortune 100 company. Recently retired from a two year tour as a software engineer and DBA for the military. My availability is limited by my primary development job, but if you have something small or just want a second set of eyes on your project, I'd be glad to assist!

    $25.56 /hr
    27 hours
    0.00
  6. Aarthy Ramachandran

    Aarthy Ramachandran

    Senior Developer

    India - Last active: 7 days ago - Tests: 1

    4 Years of Experience in design, development and deployment of object-oriented application using Java and Perl Develop applications for integration with backend databases to facilitate web services. Develop functionality based UI tools to integrate services. Programming and EIM design for data processing, data mining and extraction for customized reporting.

    $25.00 /hr
    1,079 hours
    0.00
  7. Vasil T.

    Vasil T.

    Senior Project Manager, Java/Android developer.

    Belarus - Last active: 17 days ago - Tests: 5

    Project/department manager with over 8 years (since 2007) of management experience and 15 years overall (since 2000) experience in IT. Got reasonable technical background by starting as a junior Java developer and growing up to Java department manager. Good intercultural communication skills. Willing to solve complex tasks. Doing some Android development as a hobby and to keep technical knowledge up to date. Android: GPS (NMEA), Bluetooth, Accelerometer, Maps, GCM, Google Play Services (Leaderboard, Achievements), AdMob, Google Analytics, Chat (XMPP, Smack, OpenFire), Voice Recognition, Augmented Reality (OpenCV)

    $20.00 /hr
    69 hours
    5.00
  8. Cuong Le

    Cuong Le

    Senior Software Developer (C/C++/MFC,Java,...)

    Vietnam - Last active: 1 day ago - Tests: 4 - Portfolio: 4

    Thanks for your reviewing. I am Cuong Le. I have over 6 years of software development experience in C/C++/MFC. Experienced in software development life cycle including requirement analysis, design and implementation. Programming Languages: C/C++, MFC, C#. Databases: PostgreSQL, SQL Server. Software process: CMMI, Agile (Scrum, Jira tool). Other: Visual Studio, Eclipse, UML, GIS, GPS, XML, XML-RPC, COM, Hook, GDI, DirectX (DirectDraw, DirectShow, Direct3D), Touch Screen device and printer device. Further information, please refer at https://vn.linkedin.com/in/ltcuong

    $8.89 /hr
    16 hours
    5.00
  9. Ivan K.

    Ivan K. Agency Contractor

    Senior Coldfusion Developer, Dev Team Leader

    Russia - Last active: 1 day ago - Tests: 4 - Portfolio: 16

    I have 13 years experience in software development. Coldfusion is my primary area of expertise. I am focused on web application development. Here is a list of my most recent and current work: 1. Developed Hackers trap subsystem. I came up with the algorithm to protect web applications from hackers. 2. Help reduce the cost of application maintenance. There are a lot of applications with bad code quality. It leads to a lot of defects while maintenance + clients over pay for adding new functionality. I rewrote a lot of applications with clear architecture, design and code reduce the cost of application maintenance. 3. Help improve web applications performance (page loading): code optimization, sql queries optimization, changing of settings in Coldfusion Administration and MS SQL, hardware upgrades. 4. Integrated eCommerce web applications with Amazom (AWS) to upload products to Amazon, receive orders and so on. Products like Gold Rings, Stones, Candles, Clothing. 5. Integrated eCommerce web apps with eBay to upload products to eBay, receive orders, etc. 6. Integrated eCommerce web apps with payment systems like Paypal (including credit cards via Paypal), Secure Trading, SagePay, Pay4Later 7. Developed mobile version of websites using Jquery Mobile or flexible version with Bootstrap. 8. Integrated schema.org into products page for eCommerce web apps 9. Resolved issues with indexing of pages and images on Google 10. Installed and configured Coldfusion 11/IIS 8 on Win 2012 by using Coldfusion 11 Lockdown guide (Secure Installation) My previous work experience includes working with Luxoft and Gehtsoft Companies. Developed and managed applications for Boeing and FXCM companies. - 4 years in project management (up to 25 specialists in my team: analysts, developers, architects, testers); - 6 years in developers team management (up to 15 specialists in team: developers and architects); - 6 years in code development. About 40 projects with content hours from 1000 to 10000 were successfully completed. I have an advanced knowledge in SDLC (Macroscope P+ methodology). Participated in preparing projects for CMMI auditing. I provide the following services: 1. Project schedule development 2. Risk management 3. Operative team management 4. Budget management 5. Requirements development 6. Architecture and design development 7. Code development 8. Test design development and testing 9. User guide development 10. Deployment documentation development

    Associated with: Handsoft

    $55.00 /hr
    8,677 hours
    5.00