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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. Adeeb A.

    Adeeb A.

    Quickbase Applications Architect

    United States - Last active: 3 days ago - Tests: 11 - Portfolio: 3

    -Over 12+ years of experience in IT concentrating on Database (SQL) and Quickbase development. Quickbase Expertise: -Systems Analysis and design -Process workflows -Dashboards and reports -Custom forms (JS, HTML) -Custom Coding -3rd party application integration (client and server side) -Quenect ODBC integration Other Programming:expertise: Java, JavaScript, PHP, SQL, Ruby, C++,C, VB Please invite me for an interview to discuss my skills and experience in more detail.

    $85.00 /hr
    3,933 hours
    4.25
  2. Ashraful S.

    Ashraful S.

    Software Engineer

    Bangladesh - Last active: 1 day ago - Tests: 9 - Portfolio: 12

    To work as a part of a dynamic team where there will be opportunities to make significant contributions. The work environment should require innovations that would utilize my educational qualifications, capabilities and practical and professional experience. javascript - 6+ years ajax - 6+ years extjs - 4+ years jquery - 5+ years angularjs - 2+ years node.js - 3+ years html - 6+ years css - 6+ years php - 6+ years java - 6+ years spring - 3+ years struts - 3+ years database - 6+ years bitcoin/litecoin technology - 2+ years

    $27.78 /hr
    5,376 hours
    4.81
  3. Muhammad bilal H.

    Muhammad bilal H.

    Certified Message Broke / MQ / J2EE / SOA Integration Developer

    Pakistan - Last active: 1 day ago - Tests: 2 - Portfolio: 1

    Certified Websphere Message Broker, MQ, JAVA, JEE Consultant with have around 8 years of hands on Middleware Integration Desing and development experience. Excellent working knowledge of designing and developing high performance middleware integration services using different integration technologies; i.e. IBM Websphere Message Broker v7, v8, IBM Integration Bus v9, Message Queue (MQ), Business Process Manager, Business Monitor, Web Services etc. in SOA environment, Expertise: IBM WebSphere Message Broker v7 and v8, IBM Integration Bus (V9), IBM WebSphere MQ 7.0 and MQ 7.5, Business Process Manager, Business Monitor, Servlet, JSP Struts1.x, Struts2, Spring, Hibernate, Web Services, JSTL, XML, Tomcat, MySQL, IBM informix, IBM DB2, Postgres SQL,JBoss Seam, Excellent UI development skills using HTML, CSS Java Script Jquery, YUI, XHTM, I believe in top quality work. and I am here to provide top quality services to my clients.

    Groups: Oracle Certified Professionals

    $28.00 /hr
    825 hours
    4.87
  4. Kirill Reva

    Kirill Reva

    Web Developer

    Russia - Last active: 1 day ago - Tests: 8 - Portfolio: 2

    I have been building web applications for over 7 years now. I have a deep background in fundamental PHP5 (with MVC architecture), MySQL, HTML5, CSS3 and jQuery. I am currently focused on Laravel and Wordpress web application work, including building plugins and creating responsive design sites. My previous expertise includes Codeigniter, Yii framework, AJAX, PL/SQL, Oracle DB and Java. Even though I have no proven track record in developing Zend 2 - and Kohana-based sites, I am ready to deal with such projects as well. Regardless of the programming, I am passionate about providing first class results and excellent service. I love presenting the solution I feel is best for my clients and work with them to get them what they need. I am looking for interesting full-time, and ideally long-term projects to keep busy.

    Groups: Application Developers Alliance

    $33.33 /hr
    6,688 hours
    4.99
  5. Mariya Volzheva

    Mariya Volzheva

    DB dev(Oracle,MSSQL,MySQL) + Java/JSP/PHP/CSS

    Ukraine - Last active: 18 days ago - Tests: 5 - Portfolio: 2

    I prefer to work in the field of database development: Oracle, MSSQL, MySQL, Postgres, that includes database design, optimization, migration and integration. Besides I gained experience in developing software: web-portals (Java / JSP / Java Servlets, PHP, HTML, CSS, java script), C# applications (web services mostly), Java apps. I'm looking forward for opportunities to improve existing skills and to learn new technologies.

    $20.00 /hr
    884 hours
    4.89
  6. Nipuna Dananjaya kumara

    Nipuna Dananjaya kumara

    Skilled Programmer/Developer Web/Applications With Magento Experience

    Sri Lanka - Last active: 12 days ago - Tests: 7 - Portfolio: 6

    Programmer and Developer for Web and Software with 4 years of experience. Over the past 4 years, I have developed a variety of software and websites which covered many areas of the IT field and the non - IT fields. I am proficient with the following programming and markup languages • HTML • CSS • XML • JavaScript • PHP • MySQL • AJAX • jQuery • Java • C# • C++ I also have hands on experience in the following CMSs and eCommerce software. • Magento • WordPress • Joomla • Highwire Some more about them and skills of mine, Experienced Magento Developer/Administrator • Everything Magento. • Magento Installation • Template installation • Template customization • Building Custom Templates • Payment Gateways • Products setup • Teaching Magento for clients who need it. Need help with Magento? I'm your man. Joomla / WordPress & Highwire Superuser. Have a strong knowledge of Joomla , WordPress and Highwire and the functions behind the systems. If you need some projects done in the systems I can help you out at a good price. Skilled Developer for Web and Software. Need a Website or a Software created? I am here to help you by applying my knowledge and experience to solve your problems. And at the end you'll be amazed. Let me hear what I can do you for! Language skills • Communicates fluently in English. • Prefer to have a close dialog with my contractors - for a better end result. Education • Done A/L Examination in Commerce stream in 2010. • Following BIT (Bachelor of Information Technology) of UCSC (University of Colombo School of Computing) - External Regards Nipuna

    $16.67 /hr
    600 hours
    4.95
  7. Topher L.

    Topher L.

    Specializing in Server Administration, Configuration, and Deployment

    United States - Last active: 2 days ago - Tests: 5

    I have been in the telecommunications industry for over 13 years and have worked as a consultant to major Fortune 500 companies in the past for both business and technology needs. I have a vast knowledge of anything that relates to the internet, both hardware and software realms and have worked on a variety of projects ranging from the simple to large scale transition ones spanning months at a time. I understand a business' need to get projects done right the first time and have always exceeded my clients goals. If they're not happy, I'm not happy. I have a dual bachelors degree from the University of Colorado at Denver in Business Information Technologies and Business Management. My Masters in Business Administration is in International Business and most IT skills I have picked up on my own or through various courses either online or at the local community college. I look forward to working with you and completing any projects you may have, from the quick fix to an entire server farm rebuild. I am also a word class back end programmer familiar with MySQL, Bash, PHP, Perl, and Python. Please, no front end design work, I don't have an eye for creativity (unless it's something simple of course). I look forward to working with you and any projects you may have for me.

    $39.00 /hr
    459 hours
    4.98
  8. Billel H.

    Billel H.

    Master's Degree in Computer Science

    Algeria - Last active: 28 days ago - Tests: 18 - Portfolio: 2

    An outline of my skills and experiences will show what I have to offer, I am professional in: -Web Development : html5, xhtml, CSS, PHP, JavaScript , jQuery, Resposnive Web Design, SEO, xml, ASP.NET using C# and VB -Integrated development environment (IDE): Microsoft Visual Studio 2010, Netbeans, Eclipse, Adobe Dreamweaver CS6. -Database: SQL, SQL server 2008R2, MySQL, Oracle Database, PostgreSQL and Data warehouse. -Programming language: C# ,java , python, Visual Basic, C++. -Office Suite: Microsoft Office (Word, Excel, PowerPoint, Access and Outlook), SharePoint. -Design and Multimedia: Adobe Creative Suite CS6 (Photoshop and Acrobat X Pro). -Operating System: Windows(XP, Vista, 7,8), Linux(Ubuntu, Red Hat), IOS. -Networking: Open Systems Interconnection (OSI) model, Internet protocol suite (TCP/IP) model, LAN, VLAN, WAN, DNS, DHCP, switch, Access point and Router Configuration. -Modeling language : Unified Modeling Language (UML) and Merise. -Architecture and Mechanical engineering: Technical drawing, Architectural drawing. -Management: Human Resource management. -languages: English, French and Arabic. I am at your disposal to DO THE BEST.

    $25.00 /hr
    82 hours
    4.79
  9. Vivek Viswanathan

    Vivek Viswanathan

    Expert Web App Developer & Manager

    India - Last active: 10 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
  10. Flavius Iftode

    Flavius Iftode

    Software Engineer with big data experience

    Romania - Last active: 1 day ago

    I'm a software engineer, tester, DevOps, Linux/Windows/Mac administrator, Cloud Security & Provisioning expert. As a developer, my ability to write code in multiple languages (Java, Scala, python, C++, C#) allowed me to be assigned to critical core components of internal software platform for my current company. As DevOps Engineer I build the entire deployment and cloud provisioning story, which requires comprehensive and deep knowledge of an entire software platform with all the modules and components that needs to be packaged, the open source components (Hadoop, Spark, Mesos, Tachyon, Cassandra, Zookeeper, Rabbit, nginx, PostgreSql etc) as well as the company internal components built on top of them. I've become expert in configuring and performance tuning all these systems for optimal results.I'm the go-to person when it comes to configuring the target OS for deployment and development environments (Ubuntu, RedHat, MacOS, Windows), VPC, EC2

    $27.78 /hr
    263 hours
    4.45