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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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Last updated: October 1, 2015
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Victor Macik

Victor Macik

Software Developer

Germany - 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

Hitesh Pahuja

Hitesh Pahuja

Senior Java Developer

India - 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,

$27.78 /hr
550 hours

Chamille A.

Chamille A.

I Can Get It Done

United States - Tests: 4 - Portfolio: 1

I am an experienced Saleforce.Com Certified Administrator (2008,2012) I also love data entry, database administration, customer service and writing. My Type A personality makes my work virtually error free and my attention to detail and ability to multitask make for great work done quickly. I am also a beginning developer learning HTML, CSS AND Javascript.

$16.00 /hr
5 hours

Mustapha Said

Mustapha Said

Senior Java \ iOS Engineer

Egypt - Tests: 2 - Portfolio: 1

I am a Software Consultant specialized in Software Development Life Cycle, Systems Integration, Service Oriented Architecture, Enterprise Service Busses, Java technologies and Open Source frameworks. I have broad understanding and experience in IT technologies including languages, technical architectures, enterprise applications integration, testing methodologies, databases, system design, and modeling. I am experienced in Telecommunication, Health Care, Business Process Automation industries with over seven years of experience as following: • 8+ years of experience in design and development of technical solutions. • 6+ years of experience in business and technical areas of Integration. • 4+ years of experience in team leading.

$30.00 /hr
9 hours

Nasir Habib

Nasir Habib

.Net Developer

Pakistan - Tests: 1 - Portfolio: 2

Having a BS Software Engineering Degree. I am a .Net Developer developer with experience in Mobile/Desktop and in Web technologies. • More The 2 years of experience in SDLC (Planning, Requirements, Analysis, Design, Development, Testing and Implementation). Experience in developing Client Server Applications, SOA, REST, N-Tier Architectures and Windows Forms Applications. • Expertise in design and development of web applications/Windows with .NET framework using ASP.NET, VB.NET, C#.NET, ADO.NET, XML, XSLT, SOAP , Web Services and WCF. • Expertise in Designing Applications using OOAD and Creational Patterns(Factory, Singleton),Structural Patterns (Façade) and knowledge of Implementation methodologies. • Extensive experience in architecture, design and development of Client-Server and Distributed Web Applications with ASP.NET MVC 3.0, 3-Tire and N-Tire Architecture Web Programming: Flash, HTML ,HTML5, JavaScript,XML, MySQL, PHP, XML, Joomla, Drupal, Wordpress,YII etc Networking: Microsoft SharePoint 2010, Exchange Server, Active Directory, DNS, DHCP, FTP

$8.89 /hr
287 hours

David B.

David B.

iOS & iPhone & iPad & Android App & Game Developer

Netherlands - Tests: 4

I have experienced 5 years iOS app development, 3 years Android app development. During those years, I developed a lot of iOS/Android app, and uploaded 20+ apps iTunes app store and Google play store. My purpose is making clients satisfied by producing mobile product. My Skills: - Objective C, Swift, C/C++, C#, Java - PhoneGap, Xamarin, Titanium - Cocos2d, Cocos2d-x, Box2d, Corona - Restful, SOAP, - Post with Facebook and Twitter, Get Facebook friends. - Push/Local notifications, In-App Purchase, In-App Billing, Game Center - NextPeer. - Admob, Revmob, Chartboost, Vungle, AppLovin, PlayHaven etc I am looking for long term business relationships with customers.

$22.22 /hr
44 hours

Jose S.

Jose S.

Web/Windows Developer(C#, VB,) .NET

Bolivia - Tests: 1

Have more than 13 years of experience in analysis, management and application development Possess expertise in development with different program languages like Visual Basic.Net, Visual C#.Net, ASP.NET, Java, Power Builder. Proficient in system analysis and design with UML and E/R modeling. Skilled at analysis and design of complex processes. Experience leading developer teams. Highly motivated and problem-solver, look for the best solution and maintain open mind for different opinions or solutions. Data Base Administrator and Webmaster. Interest in acquiring new computer skills.

$12.50 /hr
101 hours

Sunny Kharbanda

Sunny Kharbanda

Java / J2EE Developer

India - Tests: 7

I have more than 3 years of experience in developing java / j2ee application. I have been working with one of the largest IT firm in India. Here is the list of technologies I have worked on: Core Java, Springs, Struts, Hibernate, JSP, JSF, JPA, HTML, JavaScript, CSS, Servers (Tomcat, Weblogic, JBOSS EAP), Oracle ADF, Oracle Database (PL/SQL), Mongo Database

$5.56 /hr
7 hours

Sankalpana K.

Sankalpana K.

Experienced codeigniter Developer

Sri Lanka - Tests: 3 - Portfolio: 2

Programmer with OOP background , over two years employed as , Java SE developer PHP developer SQL DB designer joomla/codeigniter/wordpress designer Seeking for jobs that can complete with experience in developing comprehensive algorithms and data-processing logics .

$5.56 /hr
4 hours