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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, 406 Java projects are completed every quarter on Upwork.


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 4.73.

Last updated: October 1, 2015
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Ilesh Malani

Ilesh Malani

Openerp Developer

India - Tests: 1 - Portfolio: 1

I am a freelancer who have a good expert of OpenERP industry. I have worked on OpenERP 6, 7 and the last release OpenERP 8(odoo) for more then 2 year. I am sure that I can do all things of your requirements and know how to release a good product for you. Believe on me and you will have the best result!

$17.78 /hr
21 hours

Brad A.

Brad A.

Database design specialist.

United States - Tests: 2 - Portfolio: 1

I am a computer programmer with decades of experience using computers and peripherals in a variety of applications. I have worked independently on unique projects creating automated databases so that management (top-level to lower) can have useful data easily presented to them in a format that they can quickly use to make necessary adjustments. All of my work has met or exceeded expectations, and I do not stop until my employer is satisfied with my work. Before beginning a project, I will ensure that I understand well what is expected of me and work diligently and efficiently to accomplish it. Although I strive to do the best work possible, I realize that it may not be exactly what was wanted. Therefore, I welcome direction on necessary changes and strive to implement it quickly.

$29.00 /hr
1 hours

Muhammad ali H.

Muhammad ali H. Agency Contractor

Mobile & Web Developer

Pakistan - Tests: 2 - Portfolio: 9

Over the last 5 years, I have developed a wide range of Websites and Mobile Applications using ColdFusion, PHP, Android, IOS, MySQL , Javascript, jQuery , Coldfusion , AJAX including sites for startup companies and small businesses. My core competency lies in complete end-end management of a new website development project, and I am seeking opportunities to build websites from the ground up for you or your business. I also have a good experience in working with modern Frameworks and latest OOP concepts in PHP and Coldfusion. Experience in entire software development life cycle and decision- making.Skilled at building effective and productive working relationship with clients and team members.Software Product/Tools worked with: ColdFusion JavaScript , MySQL SQL Server, Oracle, Ajax, JQuery PHP Macromedia Dreamviewer ,Eclipse ,Microsoft Visual Studio. Coldfusion Freelancer , pakistan coldfusion company , pakistan coldfusion freelancer, Hire coldfusion developer, Hire Coldfusion programmer, Freelance Coldfusion developer ,Freelance Coldfusion Programmer , company specializing in coldfusion ,How to find a coldfusion developer, Hire coldfusion experts, Top coldfusion freelancer, odesk certified coldfusion developer, Android Developer, IOS Developer, Android, IOS, Objective-C, iPhone Applications Development, Android Applications Development

Associated with: AlBurraq Technologies

93% Job Success
$20.00 /hr
1,083 hours

Muhammad bilal H.

Muhammad bilal H.

Certified Message Broke / MQ / J2EE / SOA Integration Developer

Pakistan - 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

98% Job Success
$28.00 /hr
830 hours

Ralph Swartwood

Ralph Swartwood

Certified WebSphere Administrator

United States - Tests: 1

I have 10 years experience working with WebSphere Application Server version 3, 4, 5, 6 and 7 on AIX, Solaris, HP/UX, Linux, zLinux and Windows. I am certified in versions 5, 6 and 7. I am looking for short and long term engagements including installations, resolution of a specific problem and ongoing support. I also have experience working with WebSphere Portal Server, Process Server, IBM HTTP Server and Apache. I developed JACL and Jython scripts to automate application deployments and to make configuration changes. I am very familiar with Java programming of servlets, JSP, SQL and JMS. I developed a Nagios plugin that monitored JVM availability and Performance Monitoring Infrastructure (PMI) metrics. I can analyze thread dumps for JVM hang problems and heap dumps for OutOfMemory issues. I also have experience with DirectConnect and training in DataPower appliance administration.

Groups: TrueBLUE

100% Job Success
$50.00 /hr
44 hours

Sergii K.

Sergii K.

.Net/Java Developer | IT PRO

Ukraine - Tests: 8 - Portfolio: 5

★★★★★ Top .Net Developer ★★★★★ I am highly skilled developer in .Net stack of technologies with strong network/server administration experience which allow to build full and the best solution depending on customer requirements. I am one who says ‘I am glad I did’ rather than one who says ‘I wish I had’ on top of all my experiences with cut-edge technology. My skill-set: : Back-end: ✔ Java : Java EE, JCF, Multithreading, JDBC, Spring MVC, Hibernate ✔.Net : C#, ADO.NET/Entity Framework, ASP.NET MVC, RESTful API ✔ Grails / Groovy Front-end: ✔ HTML, CSS/Bootstrap ✔ JavaScript/JQuery/AngularJs Hosting: ✔ Windows Azure, GlassFish. IIS, Tomcat Additional background : ✔ Server technologies / AD DS, DNS, Hyper-V, IIS, DHCP, VPN, PowerShell. ✔ Computer science, Artificial Neural Networks, common math and physics. I hope own my company in future. Therefore I look forward to long-term relationship for projects from scratch/"have only specifications" stages.

100% Job Success
$50.00 /hr
39 hours

Sergey M.

Sergey M.

Java, Vaadin, Grails developer

Russia - Tests: 4 - Portfolio: 9

IT-Specialist with more then 10 years experience in software development. Over last 8 years I was working on software development using Java and related technologies. Of these, 4 years on position as a senior Java developer, team leader, project manager. The most important human quality which I appreciate in myself and in other people is a responsibility. Very punctual and as much as possible I understand details. I always adhere and stay in the planned project budget. The basic technical specialisation: - Web services development. - Server side, integration and middle-ware development. - Web applications development. - Development of Rich Web applications, using Vaadin (GWT) Technologies and tools: - JDK, Multi-threading, IntelliJ IDEA - Vaadin, GWT, Grails - XML, JAXP, JAXB - WebServices, SOAP, WSDL, JAX-RPC, Axis2, REST - JavaEE, Spring - JPA, Hibernate - JCE (Java Cryptographic Extension API) - Tomcat, Sun Application Server, WebSphere - ANSI SQL, MySQL - SVN, Maven, Ant, Teamcity - JIRA, RedMine

$24.44 /hr
66 hours

William Grzybowski

William Grzybowski

(Web)Development and Unix-like Consultant

Brazil - Tests: 7 - Portfolio: 2

Before I even go to university i started working with Web-development. My first experience was about 6 years ago with pure HTML using frames in Dreamweaver 3. Since then I have worked hard to improve my skills in every way possible, not just as a web-developer but as a general programmer, and now I work essentially with Open Source software like Python(+Django), PHP, Linux/FreeBSD, PostgreSQL, etc.My degree in computer science helped me to understand the basics of a computer from the bits in the processor instructions to multimedia, and thus can be used everywhere to improve the final result of a project.

$33.33 /hr
3,500 hours

Denis Kuzmenok

Denis Kuzmenok

Perl Developer

Ukraine - Tests: 8 - Portfolio: 2

Experienced in building e-commerce projects (online shops, price comparison systems). Latest projects: 1) Online shops, all backend, frontend programming. Used technologies: Perl, mod_perl, FCGI, TT, HTML::Template, memcached, MySQL, etc. 2) Price comparison system ( close analog). All backend, frontend programming, database administration. Used technologies: Perl, mod_perl, PLP Plack/PSGI, FCGI, HTML::CTPP2, etc. Mysql (Partitioning, Replication, Triggers, Procedures, Queries optimization).

100% Job Success
$22.22 /hr
1,491 hours

Ievgen Gusher

Ievgen Gusher

Java Software Engineer

Ukraine - Tests: 2

I'm J2EE developer. During my work I have hands-on experience with Spring, Hibernate. Also I have developed secure web-services with various authentication methods (OAuth, LDAP, CAS) using HTTPS as a transport layer and designing PKI infrastructure. I have dealt with HTML5, Ajax, Javascript, JSON, SQL. As a datasource I worked with Relational DB as well as NoSql DB (redis) and Graph DB (neo4j). I am familiar with Iterative+Incremental methodologies (XP, Scrum, Kanban, RUP). I have applied TDD on my projects to control their quality.

$18.89 /hr
67 hours