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.

Browse Java job posts for project examples or post your job on Upwork for free!

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, 489 Java projects are completed every quarter on Upwork.

489

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: August 1, 2015
Clear all filters
  1. Cromer C.

    Cromer C.

    5,000+ Hrs. Wordpress Migration, Malware Removal, Security Specialists

    Philippines - Last active: 1 day ago - Tests: 36 - Portfolio: 27

    I have developed a wide range of skills that I believe useful in today's online businesses. My main competencies are: --- Wordpress site migration --- Wordpress site malware removal --- Wordpress site security enhancement --- Wordpress site loading speed optimization --- Installation, setup, and configuration (using semi-automated or manual method) --- Wordpress Multisite installation and configuration and domain mapping --- Wordpress plugin installation and configuration (both premium and paid ones) --- Wordpress theme installation and configuration to make the site identical to the theme's demo page. --- E-Commerce data entry/upload (using WooCommerce, Cart66, WP e-Commerce, X-Cart, etc.) --- PDF to Microsoft Word conversion --- Excel data entry --- Wordpress post/page formatting using CSS and HTML --- Minor site adjustments that requires HTML, CSS, and PHP intermediate knowledge --- Basic On-page SEO --- Installing, configuring, and setting up Wordpress affiliate sites --- Domain registration and DNS configuration I'm familiar with the following tools/technology: --- Wordpress --- Joomla --- cPanel (used by Hostgator, Bluehost, etc) --- WHM (used by Reseller Hosting Package) --- Linux Command Line Interface --- SSH --- .htaccess --- FTP/SFTP --- HTML --- CSS --- PHP --- SQL statements --- Hosting Providers such as Hostgator, Bluehost, Dreamhost, Hostmonster, InMotion, iPage, Fatcow, WebHosting Pad, 1 and 1, GoDaddy, Dreamhost, WP Engine, Pressable.com, DigitalOcean.com, etc. --- Reseller Hosting Package --- VPS Hosting Package --- CDN Sevices (MaxCDN, Rackspace Cloud Files) --- Plesk (used by GoDaddy) --- WebAdmin (used by Dreamhost hosting account) --- Google Analytics --- Google Webmaster Tools --- Site optimization tools: Google Pagespeed and YSlow --- Google Drive: Google Document and Google Spreadsheet --- Microsoft Word --- Microsoft Excel --- Dropbox --- Wordpress site backup plugins: BackupBuddy, WPTwin, etc. --- Skype --- TeamViewer --- MySQL Databases and phpMyAdmin --- Trello Project Management System --- Basecamp Project Management System

    Groups: Application Developers Alliance, Bluehost Developers and Designers

    $13.33 /hr
    5,615 hours
    4.87
  2. Vivek Viswanathan

    Vivek Viswanathan

    Expert Web App Developer & Manager

    India - Last active: 18 days ago - Tests: 6 - Portfolio: 3

    Over the last 8 years, I have developed a wide range of scalable & responsive websites on the cloud. My core competency lies in complete end-to-end management of the Project, and I am seeking opportunities to build websites from the ground up for you and your business. As part of my experience, I've worked for different companies and for various projects, from small startups to large corporations, from small device-oriented applications to multi-layer, cross-platform software. With a strong background in Agile development methodologies, I've worked with remote teams and clients from all over the world. I'm fluent in using the below programming languages/frameworks: Front-end: HMTL5, Flex, jQuery, jQuery-Mobile, BootStrap, Foundation, Canvas Libraries Back-end: Java, Spring, Struts, iBatis, BlazeDS, Php, Magento Mobile App: Phonegap Database: MySQL & MS-SQL Scripting: Perl, VB Script Other Expertise: Optimizing SQL query & web pages for performance, VB Macro I enjoy new challenges, looking to overcome my own high standard goals.

    $30.00 /hr
    911 hours
    5.00
  3. Yasen K.

    Yasen K.

    Natural Language Processing expert

    Bulgaria - Last active: 5 days ago - Tests: 2

    I have more than 5 years of experience as an R&D engineer in Natural Language Processing. I've specialized in analysis of social networks, integrating rule-based and machine learning algorithms for various tasks, such as named entity recognition, sentiment analysis, topic detection and other classification problems. Working with many startup companies, I've come to an agile mindset to quickly deliver initial demo, then gradually improve the system until it reaches client expectations. Such approach has proven to be efficient when requirements are hard to define. My programming background includes more than 4 years of experience with java and 2 years as a .net web developer. Preferred tools: GATE, mallet, libSVM, Stanford coreNLP, Apache OpenNLP, Apache Mahout.

    $60.00 /hr
    213 hours
    5.00
  4. Vitali H.

    Vitali H.

    Software Architect / Developer, Java/J2EE, Android, Web

    Belarus - Last active: 1 month ago - Tests: 1

    Wide experience in software engineering. Languages: - Java (Spring, EJB, Jersey, Atmosphere, Hibernate, OpenJPA, JMS, OAuth, Morphia, Web Services (SOAP, REST), Android, GWT, JSF/JSP, Swing, etc), - HTML, CSS, XML, Javascript (jQuery, Prototype, etc), Databases: MySQL, PostgreSQL Oracle, MongoDB; SEO & User behavior tracking: Google Analytics, Yandex Metrika OS: Ubuntu, Debian, CentOS, Windows; Web servers: Apache, Nginx, Tomcat, Glassfish, Jetty; Other services & tools: SVN, Git, Red5, JasperReports, Maven, JProfiler, Zabbix, Sonar;

    $20.00 /hr
    22 hours
    5.00
  5. Ederico R.

    Ederico R.

    WebDeveloper with 17+ years in consulting

    Portugal - Last active: 3 days ago - Tests: 1 - Portfolio: 6

    Application Developer mainly in tune with Web technologies in a variety of scripting and programming languages. New and quick challenges or build new and improve constantly are two of my main interests. More inclined to be a "Jack-of-all-trades" do all in a wide range of skills than a fixed specialist in a single narrow technology. Tenacious, hard-working and troubleshooting expert. Although i possess a wide range of skills available for you, I will always be honest and quick so you don't waste time back and forth with me - you will know straight away if I am able to do the job or not.

    $45.00 /hr
    1,665 hours
    5.00
  6. Stephen Brown

    Stephen Brown

    B. Sc. (Honours), Veteran Web Developer in C#.NET

    Canada - Last active: 30 days ago - Tests: 2

    I have had a love for programming since a very young age. I have now been programming seriously for 12 years. I graduated Memorial University of Newfoundland in 2007 with a B. Sc.(Honours) in Computer Science. I have worked a lot recently in web development in C# but also have experience with databases and scripting. Here are a few of my skills Web Programming - C#.NET, VB.NET, WET 4, HTML, CSS, JavaScript, TFS Programming - Java, C#, VB, Python Scripting - Python

    $44.44 /hr
    54 hours
    5.00
  7. Oleg Yatskiv

    Oleg Yatskiv

    Java Developer

    Ukraine - Last active: 12 days ago - Tests: 3 - Portfolio: 5

    My personal experience in software industry is 2 years for the leading software company. I was working on more than three projects, carried out planning/estimation. I have experience in developing REST-full web services, complex server side solutions, integration testing. automated testing, scoping, and executing tests of new and existing features across projects, requirements management and development, and collaborated closely with Product Owners and the entire development team. I am reliable, flexible, and adaptable person being able to learn fast and to handle complex tasks.

    $30.00 /hr
    337 hours
    5.00
  8. Yury V.

    Yury V.

    Java Developer

    Russia - Last active: 13 days ago - Tests: 4

    Java developer with more than 3 years of experience. Areas of expertise: - Expertise in Application development and support using Java, Servlets, Portlets, JSP, JDBC, Hibernate; - Expertise in JavaScript, jQuery, Bootstrap, HTML, CSS; - Expertise in WebSphere Portal 8.0 (confirmed by the certificate); If I can provide you with any further information on my background and qualifications, please let me know

    $15.00 /hr
    101 hours
    5.00
  9. Nazar S.

    Nazar S.

    JavaScript / Java Web Developer

    Ukraine - Last active: 1 month ago - Tests: 5

    I am Oracle Certified Java Web Developer and I guarantee that the work I do won't be finished till you are 100% satisfied with the result. If you'll have any issues with my code - I will fix it for free. I do the work first and only if you are fully satisfied - we start a contract. This ensures that you pay for a perfect work. Skills: Java Core, J2EE, OOP, OOA, OOD, OOM, UML, Design Patterns, TDD, HTTP, FTP, TCP/IP, UDP, SMTP, Web Services, REST, Ant, Maven, Tomcat, DHC, SQLyong, JSP, JSTL, Velocity, VTL, Servlet API, JDBC, JUnit, JMA, Spring framework, Hibernate, JPA, SLF4J, Log4j, Reflection API, SQL, HQL, (X)HTML, HDOM, XML, JSON, CSS, JavaScript, AngularJS, RegExp, AJAX, JQuery, JQuery-UI, i18n, l10n, JSF, Facelets, RichFaces, PrimeFaces, PrettyFaces, Tomahawk, SVN, Git, Liquibase, PostgreSQL, MySQL, Oracle, JIRA, Mantis, Scrum, Objective-C, X-code, IntelliJ IDEA, Eclipse, NetBeans Interests: Gaining new professional skills and mastering them to perfection - that's my way. I am one of these 'lucky' people whose work is their hobby, interest and passion. Personal qualities: Openness to new ideas and concepts, positive attitude, possibility to work independently or as a part of team, honesty, responsibility.

    $12.00 /hr
    70 hours
    5.00
  10. Omar T.

    Omar T.

    PHP / Zend framework / CodeIgniter / AJAX / AngularJs / HTML5 / CSS

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

    Full time freelance PHP Full Stack Developer with strong knowledge of front-end technologies HTML5,AngularJs, CSS, AJAX and Flex. I'm also familiar with Adobe's design software Fireworks, Photoshop. I provide quality code in record time for you and your business. I want to work on challenging projects that utilizes the latest technologies.

    $33.33 /hr
    1,807 hours
    4.98