Senior Java Developers & Programmers

Showing 37,792 freelancers

Senior Java Developers & Programmers

Showing 37,792 freelancers

Get Your Java Programming Project Started Today!

Post your Java projects on oDesk 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 oDesk 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 oDesk, 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 oDesk for free!

Java Job Cost Overview

Typical total cost of oDesk Java projects based on completed and fixed-price jobs.

oDesk Java Jobs Completed Quarterly

On average, 575 Java projects are completed every quarter on oDesk.

575

Time to Complete oDesk Java Jobs

Time needed to complete a Java project on oDesk.

Average Java Freelancer Feedback Score

Java oDesk freelancers typically receive a client rating of 4.69.

4.69

Last updated: April 1, 2015

  • Senior Java Developer

    Over the last 8 years, I have developed more than 8 projects, covering desktop, website, and enterprise applications, using Swing, ExtJS, MySQL, Spring, JPA, Lucene, etc. I am keen to learn new technique. My core competency is rich experience in Java and quick learning.

    java javascript mysql extjs mongodb gis 00 more less
    • $20.00 HOURLY RATE
    • 5.0
    • 341 HOURS
    • CHINA
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 4 TESTS
  • Senior Software Engineer

    An agile and ambitious software engineer with strong technical background who possesses self-discipline, hardworking, quick learning, good team spirit and honesty. My experience include web programming both front-end and back-end, development of interactive web application, desktop and mobile applications, use … more

    An agile and ambitious software engineer with strong technical background who possesses self-discipline, hardworking, quick learning, good team spirit and honesty. My experience include web programming both front-end and back-end, development of interactive web application, desktop and mobile applications, use of modern technologies, databases and much more. In software development process I tend to maximize attention to details and efficiency. With help of proven frameworks, UML tools, diagrams, design patterns and SDLC concepts I keep enhanced control over development process and ensure that quality solutions meet business objectives.  less

    java android-app-development actionscript-3 mysql php c++ javascript adobe-flex software-debugging 00 more less
    • $35.00 HOURLY RATE
    • 5.0
    • 1174 HOURS
    • ARMENIA
    • LAST ACTIVE
    • 11 PORTFOLIO ITEMS
    • 6 TESTS
    GROUPS:
  • Java Developer/Project Management/Applications/Wordpress

    I have 16 years of work experience, 12 years in the I.T. industry as a Software Developer as well as 4 years in the academe as a Department Link Coordinator and I.T. Instructor. I've led different types … more

    I have 16 years of work experience, 12 years in the I.T. industry as a Software Developer as well as 4 years in the academe as a Department Link Coordinator and I.T. Instructor. I've led different types of teams for more than 7 years and have been involved in freelance, team projects and enterprise solutions. I specialize in Application Software Development, Project Management, Hardware Interfacing and Open Source Solution/Customization. Primary technologies used are Java, Swing, Webstart, NetBeans, Wordpress, mysql, PostgreSQL, third party APIs, VPN and other technologies. I've also worked for different foreign companies as a home based consultant, programmer freelancer and quality engineer for web content, system flow and process documentation. Other experiences are in the line of CCTV Surveillance and Security Systems. You can visit my profile website for projects I have accomplished. http://bertbatac.weebly.com/ Thanks, Bert Batac  less

    java wordpress project-management business-development account-management software-testing netbeans swing postgresql mysql linux-system-administration ubuntu c++ microsoft-word desktop-publishing microsoft-publisher microsoft-excel apache-administration svn tortoise-svn cvs hardware-troubleshooting manual-testing audacity data-encoding data-entry 00 more less
    • $16.67 HOURLY RATE
    • 4.9
    • 1031 HOURS
    • PHILIPPINES
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 5 TESTS
  • Java && Lisp Developer

    I have about 7 years of experience in development. The main orientation of my work is java/swing applets/desktop applications. Also I worked with script languages, such as Lisp, JavaScript. I developed plugins for Eclipse, Intellij IDEA, JetBrains TeamCity. I have a skill in development mobile applications for Windows Mobile (C#).

    java lisp jasperreports swing javascript jdbc apache-tomcat jsf primefaces eclipse intellij-idea apache-maven apache-ant 00 more less
    • $22.22 HOURLY RATE
    • 5.0
    • 4 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 3 TESTS
  • Expert JAVA/STRUTS/PHP/WMB/MYSQL/Payment Gateway Integration

    i have around 7.5 years of working experience on various web applications using various technologies , in all the level of the web project .• Around 7.5+ years of experience in development of robust, maintainable and scalable Web & Client – Server … more

    i have around 7.5 years of working experience on various web applications using various technologies , in all the level of the web project .• Around 7.5+ years of experience in development of robust, maintainable and scalable Web & Client – Server systems, this includes Analysis, Designing, Development, Coding and Testing. • Development Experience in Java, J2EE,PHP,Zend Framework, Hibernate,JPA, Struts, Spring, Ajax, XML,jquery, Mysql, Eclipse,Xampp,Apache weserver,,Apache Tomcat,Jboss under Windows and Linux. • Development Experience on WMQ and WMB. • Strengths include ability in meeting deadlines and deliverables while achieving excellence and quality of work, excellent technical and communication skills. • Flexibility to change/leverage with any new Technology in no time.  less

    java apache-struts mysql jquery ajax javascript spring-framework php payment-gateway-integration 00 more less
    • $16.67 HOURLY RATE
    • 5.0
    • 57 HOURS
    • INDIA
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 7 TESTS
  • Senior Ruby on Rails Developer

    Do you have a great idea? Do you need help or someone to consult with for your web site and mobile apps? You can always invite me and discuss your problem. I will be there for you Full stack Ruby … more

    Do you have a great idea? Do you need help or someone to consult with for your web site and mobile apps? You can always invite me and discuss your problem. I will be there for you Full stack Ruby on Rails developer, primarily focused on back-end with experience in setting up VPS with Nginx and Unicorn or deploying apps on Heroku. Currently I'm interested in e-commerce so I'm familiar with Spree and also writing prototype of e-commerce solution based on MongoDB and Rails. Specialization:- 1.Ruby on Rails (Ruby 1.9.3, 2.1.1, Rails 2.x, 3.x, 4.x) 2 Jquery, Ajax, 3.API Integration. 4. Redmine Integration 5. AWS integration, 6. Heroku deployment 7. Git version control. 8. SaaS Development 9. salesforce integration. 10. API development. My Expertise : Ruby on Rails ( 5+ Years) Availability : 40 hours/ week Communication Via : oDesk/Gtalk/Skype/Mail or Call. Reporting : on daily basis. Please feel free to ask for any further query, I will be happy to work with your project and make it successful.  less

    java ruby-on-rails heroku saas github software-testing mongodb git 00 more less
    • $15.00 HOURLY RATE
    • 4.7
    • 568 HOURS
    • INDIA
    • LAST ACTIVE
    • 8 PORTFOLIO ITEMS
    • 4 TESTS
    ASSOCIATED WITH:
  • Senior Ruby / iOS / Android / Java / C / C++

    Mikhail is a developer with more than 7 years of experience. Mostly he worked as a backend developer. He has a strong basis in common computer science, including algorithms, design patterns, cryptography, network protocols, CPU architectures. He has a proficiency … more

    Mikhail is a developer with more than 7 years of experience. Mostly he worked as a backend developer. He has a strong basis in common computer science, including algorithms, design patterns, cryptography, network protocols, CPU architectures. He has a proficiency level in the next technologies: - Java, C/C++, Assembler (FASM x86/x64); - Windows API (incl. Crypto API) and Winsock; Mike is familiar with the next (non-comprehensive) list of frameworks and technologies: BSD sockets, Qt, Win32, MVC, Spring, JPA, Hibernate, JUnit. He is familiar with the most of SQL DB systems available on the market: MS SQL, MySQL, PostgreSQL, SQLite. And, of course, he is interested in noSQL world (he used MongoDB in some projects). He is also familiar with mobile development for such platforms as iOS and Android (Mike developed merchant applications for several webshops). He is able to design web application architecture and likes to work on high loaded applications and applications with high responsibility. When he heard about Ruby he was fond of this language, its infrastructure, community and Ruby on Rails framework in particular. Mikhail likes and uses agile methodologies for software development routines, he likes Scrum (or some derivatives from it) and has experience with RUP. He has strong opinion that source code without version control over it is not a good source code. He definitely likes git, but in the past he used SVN and CSV too.  less

    c++ win32-app-development java spring-framework ruby ruby-on-rails ios-development android-app-development sql nosql 00 more less
    • $40.00 HOURLY RATE
    • 5.0
    • 6107 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 7 TESTS
    ASSOCIATED WITH:
  • Senior Java Developer

    I was graduated from high school and from university with honors. Have good knowledge in mathematics, physics and algorithms. In the beginning of my career I worked as PHP Developer in freelancers team. Then moved to Java. I have passed all the way Junior Developer - Senior Developer - Technology Lead.

    java data-structures spring-framework rest gradle hibernate resource-description-framework-rdf linux-system-administration git 00 more less
    • $20.00 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 0 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 5 TESTS
  • Electrical Engineer, software designer and computer Vision programmer

    I am senior electrical and electronics engineer with wide experience with the design and implementation of hardware and software solutions. My programming skills include a variety of languages and my area of interest is computer vision and digital image processing … more

    I am senior electrical and electronics engineer with wide experience with the design and implementation of hardware and software solutions. My programming skills include a variety of languages and my area of interest is computer vision and digital image processing, were I have extensive experience programming in C++, Python and java with the aid of OpenCV library.  less

    java javascript android-app-development opencv html php sql matlab c++ python 00 more less
    • $33.00 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 0 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 1 TEST
  • Ruby On Rails Developer

    An efficient and reliable web developer with fast-learning ability Below is my skill set: - Ruby On Rails - PHP, Laravel - HTML5 | CSS | SCSS - Javascript, jQuery, Ajax - Twitter Bootstrap - MySQL, MongoDB I also have experiences with deployment on Heroku and Linux VPS … more

    An efficient and reliable web developer with fast-learning ability Below is my skill set: - Ruby On Rails - PHP, Laravel - HTML5 | CSS | SCSS - Javascript, jQuery, Ajax - Twitter Bootstrap - MySQL, MongoDB I also have experiences with deployment on Heroku and Linux VPS. I use Github for team collaboration and version control, Hipchat or Google Hangout for daily communication  less

    java core-java joomla css php javascript d3.js ruby-on-rails jquery 00 more less
    • $22.22 HOURLY RATE
    • 5.0
    • 15 HOURS
    • VIETNAM
    • LAST ACTIVE
    • 4 PORTFOLIO ITEMS
    • 8 TESTS
    ASSOCIATED WITH:
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