Senior Java Developers & Programmers

Showing 3,562 freelancers

Senior Java Developers & Programmers

Showing 3,562 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, 486 Java projects are completed every quarter on oDesk.

486

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: March 1, 2015

  • Senior Java/Scala Engineer/Architect

    My Elance profile with established reputation: https://www.elance.com/s/aparamonov/ I'm very experienced software engineer with architect skills. I have great experience in Play! 2.0, MongoDB, Spring Framework, Hibernate, JSF (etc.). I'm walking on Agile … more

    My Elance profile with established reputation: https://www.elance.com/s/aparamonov/ I'm very experienced software engineer with architect skills. I have great experience in Play! 2.0, MongoDB, Spring Framework, Hibernate, JSF (etc.). I'm walking on Agile way -- Code Review, Continious Integration, stand ups, frequent releases, etc. I'm been able to solve any technical issue, that we will be faced with. I strongly and deeply review all requirements before and while development process. I've worked in several projects as a Technical Leader.  less

    scala java play-framework postgresql amazon-web-services mongodb angularjs elasticsearch nosql spring-framework 00 more less
    • $67.00 HOURLY RATE
    • 5.0
    • 1370 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 9 TESTS
    GROUPS:
  • Java Tech Lead

    I am a Software Engineer with 6 years of solid java experience. I have been involved in all aspects of the software life-cycle, from analysis and design, server to client development using agile methodologies, testing, installation and deployment of web … more

    I am a Software Engineer with 6 years of solid java experience. I have been involved in all aspects of the software life-cycle, from analysis and design, server to client development using agile methodologies, testing, installation and deployment of web applications. I have also contributed solutions to opensource projects namely, Eclipse IAM and NPanday for 3 years. I have used a wide range of enterprise technologies and tools and my goal is to find interesting work opportunities in web development.  less

    java asp.net-mvc spring-framework spring-security hibernate maven jquery gwt jpa oracle-pl/sql jms mysql apache-tomcat linux-system-administration git svn junit swt jasperreports javascript css html xml jsp selenium apache-cxf apache-poi apache-tiles 00 more less
    • $22.22 HOURLY RATE
    • 4.3
    • 1067 HOURS
    • PHILIPPINES
    • LAST ACTIVE
    • 13 PORTFOLIO ITEMS
    • 10 TESTS
    GROUPS:
  • OCPJP, Expert in Spring/Hibernat/Java/JEE based Projects

    I am having 6+ years of professional experience in Design and Development of Java Technology based Desktop and Web Applications starting from Requirement Gathering phase to Testing and Delivery Phase. I have worked with giants like Tech Mahindra, Ericsson etc … more

    I am having 6+ years of professional experience in Design and Development of Java Technology based Desktop and Web Applications starting from Requirement Gathering phase to Testing and Delivery Phase. I have worked with giants like Tech Mahindra, Ericsson etc. as Software Engineer. Right now I am Sr. Software Engineer in a US based company where I am involved in design and development of various Web based projects on financial and telecom domain. My Skill set include - Core & Advanced Java, J2EE, Struts 1&2, Spring (All Modules), MVC 1&2, JSP, Servlets, JSTL, EJB, JSF, SIP Servlets, Web Services, Hibernate, MySql, Oracle, PL/SQL, JQuery, AJAX, DHTML, GWT. I worked extensively on many servers like JBoss, Sailfin/Glassfish, Tomcat, Weblogic on Windows and UNIX environment. I extensively worked on Eclipse and Netbeans and well aware of many Eclipse plug-ins like Debugger, JUnit, SVN/HG Plugin, WTP etc. I have good experience is SCM packages like GIT (GitHub, BitBucket), SVN, Mercurial (Hg). I am well versed with several build tools like MAVEN, ANT.  less

    java j2ee jsp java-servlets-development spring-framework spring-security apache-struts hibernate gwt mysql oracle-database oracle-plsql jstl jquery ajax javascript html xml-web-services xml web-design jboss apache-tomcat weblogic tortoise-svn mercurial sip 00 more less
    • $27.78 HOURLY RATE
    • 5.0
    • 1824 HOURS
    • INDIA
    • LAST ACTIVE
    • 10 PORTFOLIO ITEMS
    • 6 TESTS
  • Senior Software Engineer JAVA, Spring, HTML5, Dojo, Angularjs Nodejs

    I am graduated in Analysis and Development of Systems with 8+ years of experience developing Applications using the programming languages such as Java, C/C++, Javascript. My most updated skills are Java using Spring Framework set to server-side services, using … more

    I am graduated in Analysis and Development of Systems with 8+ years of experience developing Applications using the programming languages such as Java, C/C++, Javascript. My most updated skills are Java using Spring Framework set to server-side services, using REST design; Nodejs for websockets services and for simple client apps; Web apps using Angularjs or Dojo to develop a responsive web application with or without bootstrap css; Databases like MySQL, PostgreSQL and also NoSQL databases like Mongodb, CouchDB. Currently I am Senior Software Engineer that focus on development of client-server apps using the best practices of development, unit tests and project management. I like challenges, then I have no problem in go out of my comfort zone.  less

    java spring-framework html5 javascript dojo angularjs mongodb spring-security jasperreports mysql 00 more less
    • $27.00 HOURLY RATE
    • 4.2
    • 237 HOURS
    • BRAZIL
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 0 TESTS
  • Groovy & Grails, Java - Freelance Developer

    On the author list of bitcoinj project http://code.google.com/p/bitcoinj/source/browse/AUTHORS . However I did only contribute one patch, nonetheless this required reading c code and translating functionality into java. Worked with linux for 4 years … more

    On the author list of bitcoinj project http://code.google.com/p/bitcoinj/source/browse/AUTHORS . However I did only contribute one patch, nonetheless this required reading c code and translating functionality into java. Worked with linux for 4 years, primarily Ubuntu. Eclipse is my primary Integrated Development Environment(IDE). Initially began programming with python, learnt a little bit of C++, including integration of python and C++. Unfortunately it has been at least 2 years since working with python and C++, so my knowledge of libraries and the languages has diminished. Currently spending a lot of time with Groovy and GRails. In the last two years programmed primarily in Java. Have experimented with github. Proficient in HTML5, CSS3, and javascript. Can read and write UML diagrams. Familiar with conventional Cryptography techniques, SHA, AES. Familiar with some Zero-Knowledge Cryptographic protocols. Available for video chat.  less

    grails groovy java hibernate jquery javascript html5 html css css3 linux-system-administration ubuntu 00 more less
    • $44.44 HOURLY RATE
    • 5.0
    • 1176 HOURS
    • AUSTRALIA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 2 TESTS
  • Java Developer

    I am a Java Developer with 3+ years of experience. I have skills in building Java-based web-applications using following technologies: - Core Java - JavaEE (Servlet, JSP, JSTL, JDBC, JPA) - Spring Framework (Spring MVC, Spring Security) - Hibernate - JavaScript (jQuery, AngularJS) - JUnit - Maven … more

    I am a Java Developer with 3+ years of experience. I have skills in building Java-based web-applications using following technologies: - Core Java - JavaEE (Servlet, JSP, JSTL, JDBC, JPA) - Spring Framework (Spring MVC, Spring Security) - Hibernate - JavaScript (jQuery, AngularJS) - JUnit - Maven - Git I also have a great desire to start working with Scala-based technologies: Scala Lang, Play Framework, Akka, Slick. I am looking for opportunities to apply my skills. Additional language: Russian (fluent).  less

    java spring-framework j2ee java-servlets-development jsp jdbc javascript jquery angularjs 00 more less
    • $17.00 HOURLY RATE
    • 5.0
    • 1083 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 2 TESTS
  • Expert Software Engineer/Developer

    A highly experienced software engineer with experience in highly complex commercial / industrial / real-time / mission critical multithreaded software systems, GUI design and library modifications. A master in C/C++/C++11 (skills tested in: oDesk, ELance, Freelancer.com, ExpertRating, Brainbench and … more

    A highly experienced software engineer with experience in highly complex commercial / industrial / real-time / mission critical multithreaded software systems, GUI design and library modifications. A master in C/C++/C++11 (skills tested in: oDesk, ELance, Freelancer.com, ExpertRating, Brainbench and Smarterer). An expert (with relevant experience) in Python, Lua, Java, Objective-C, C#, Visual Basic.NET, Web Technologies (HTML5, CSS3, Javascript, PHP). My domain of expertise includes (but not limited to): - Autonomous / Expert / Distributed Systems Design and Implementation - Parallel / Multithreaded / Concurrent / High Speed Computations - Cache-Aware / Hardware-Aware Algorithms and Optimizations - Computer Architecture, Networking and Interfacing - Mobile Application Development (iOS/Android) - Robotics and Automation (Artificial Intelligence/AI) - Software Engineering / Project Management / Specifications - Embedded / Real-Time (RT) Systems - Communication Systems (Wireless/Wired) - Measurement and Instrumentation - Data Mining, Knowledge Acquisition and Analysis - Digital / Analog / Mixed Circuit Design - Analog / Digital Signal Processing (ASP, DSP) - Video / Audio / Image Processing / Formats - Analog / Digital Control Systems - Web Site Design And Development Most importantly, freelancing is my core business (full-time). That means that YOU and YOUR SUCCESS are my core business!! Every task that I undertake is performed with professionalism, with honesty, with haste, using the best that I have to offer in order to ensure your absolute satisfaction. No matter if you are looking for a small script/program that will consist in a couple of hours of work, a desktop/mobile application, a web site, or for a long-term commitment for a complex project for a distributed/multithreaded system, I am your guy. I crave 5 star ratings and outstanding reviews so I will do everything I can to exceed your expectations!!! My core mission is to be your go-to coder / programmer / developer: reliable, always there for my clients (especially the returning ones) and the one that will always give you the results with FRIENDLY ATTITUDE and ALWAYS treating you like YOU ARE MY BEST ASSET... BECAUSE YOU ARE. Website: www.jprdv.com Skype ID: jprodriguezdv ODesk Profile: https://www.odesk.com/users/~01f44668968df46fd1 Freelancer.com Profile: https://www.freelancer.com/u/jprodriguezdv.html ELance Profile: https://www.elance.com/s/jprodriguezdv/ LinkedIn Profile: https://bo.linkedin.com/in/jprdv Brainbench: http://www.brainbench.com/transcript.jsp?pid=12130215 Smarterer: http://smarterer.com/jprodriguezdv ---------------- Skills and Proficiencies (not all listed) ---------------- *** Operating Systems *** Unix/Linux; Microsoft Windows 7 and Windows 8, Mac OS X; iOS; and Google Android. *** Programming/Scripting Languages and Related *** C/ C++ (C++11), C#, CSS, GNU Make, HTML, Java, JavaScript, JSON, Lua, Linux Shell Scripting (bash), Objective-C, PHP, Python, SQL (MySQL) , Universal Modeling Language (UML2.0) Modeling, Visual Basic.NET (VB.NET), XML. *** Programming Libraries, Frameworks and APIs *** C/C++: ANSI C Standard Libraries, C++ STL and C Compatibility Libraries, Xerces C++, Boost, wxWidgets, Qt, Microsoft C and WinAPI, Unix/Linux API, Lua API, Google GTest, Google GMock, Google GFlags, Google GLog, Google Supersonic, Google Protobuf C#: NET Framework; Lua: Standard Library Java: Android API/SDK, Java SE, JUnit Objective-C: Foundation, UIKit/Cocoa Touch (iPhone / iPad Development) Python: Standard Library, wxPython, Django Visual Basic: .NET Framework *** Software Applications *** Apple Xcode, CMake, Doxygen, Eclipse IDE (CDT, JDT), GIT, GNU GCC Compiler, GNU make, Microsoft Office (Word, Excel, PowerPoint, Outlook, Visio, OneNote), Microsoft Project , Microsoft Visual Studio (MSVC++ compiler and toolchain), MySQL Workbench, Qt Creator, Sun Microsystems OpenOffice.org/Document Foundation LibreOffice. *** Technologies, Protocols and Misc *** Wired/Wireless Communication Technologies and Protocols: Transmission Control Protocol (TCP), Internet Protocol (IP, IPv4, IPv6), User Datagram Protocol (UDP) Misc. Technologies: Microsoft .NET, Asynchronous Javascript (AJAX). For more information and a more complete list, you can always look at my CV (one of the items at my portfolio).  less

    c++ c python c# java boost lua qt 00 more less
    • $20.00 HOURLY RATE
    • 4.4
    • 1228 HOURS
    • BOLIVIA
    • LAST ACTIVE
    • 5 PORTFOLIO ITEMS
    • 12 TESTS
  • Java/J2EE Developer

    Hi, Thanks for visiting my profile. I am Virat Bhavsar, I had completed my Computer Engineering. In my Academic Project I work on JAVA Technology and After that from last 1 years experience in developing Java/J2EE. My Skills JSP/Servlet Spring Frameworks (Beginner) MySql HTML, Javascript and JQuery Thanks, Virat Bhavsar

    j2ee java javascript jsp java-servlets-development groovy grails 00 more less
    • $11.11 HOURLY RATE
    • 4.2
    • 1162 HOURS
    • INDIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 1 TEST
    ASSOCIATED WITH:
  • RockStar, Dedicated for iOS8/iPhone/iPad /Android/Parse/AWS/iBeacon

    I have been working with native iOS development since 2008, and perfectly mastered all parts of mobile technologies & skills with lots of experiences. During last 5 years, I have developed iPhone, iPad, Android apps including social networking app, dating app … more

    I have been working with native iOS development since 2008, and perfectly mastered all parts of mobile technologies & skills with lots of experiences. During last 5 years, I have developed iPhone, iPad, Android apps including social networking app, dating app, chat app, shopping app, fitness app, video/photo app, games, business apps and enterprise apps. Additionally, I have 3 years of carryover experiences in web programming with PHP, MySQL, JSP, C#, Ruby on Rails. Especially, I have already owned the best approach and sophisticated methodology for completion of mobile projects successfully. So I can surely manage any kind of projects for mobile platform, web platform and desktop platform. I love creative, innovative and professional works. I hate fall behind technologies, hackneyed idea, poor quality work result. Flexible & swift communication, Agile SCRUM approach is my strong point. It's most important to complete projects perfectly & successfully. I enjoy new challenges on daily basis, looking to overcome my own high standard goals. Give me your idea, and your dream will come into reality! :) Skill-set: ● Native: iOS, Android, Windows8 (Objective-C, Swift, Java, C#), JNI, NDK (C/C++) ● Hybrid: PhoneGap, Xamarin, Titanium (HTML5, jQuery Mobile, C#) ● Web service: XML/JSON, REST/SOAP ● Device, Kit: Bluetooth Low Energy (BLE), iBeacon, Datzing, NFC, credit card reader, MIDI ● Cloud backend: Parse.com, Parse SDK, Parse REST, Parse Cloud Code, Amazon S3 EC2 AWS, Firebase, Foodie, remoteStorage, Twillio, Plivio ● Chat & Messaging Engine: XMPP, Jabber, OpenFire, OpenTok WebRTC, Ejabberd, Erlang ● Media Streaming: Wowza, SoundCloud, Red5, Icecast ● Video/audio/image processing: OpenCV, GPU Image, CoreAudio, EZAudio, Pitch Control, Bass, AVFoundation ● Vector graphics processing: SVG, SVGZ, Illustrator ● Video/audio streaming, codec: Wowza, Red5, H.323, MPEG-4 ● VOIP, Cloud Communication: Twillio, Heroku, Tokbox ● Speech recognition, text-to-speech, Siri, OpenEar ● HTML5, Ruby on Rails, PHP, ASP, JSP, C# and their frameworks ● MySQL, SQLite, Oracle, SQL Server, ODBC ● Facebook, Twitter, Linkedin, Instagram, Youtube, Pinterest, Vimeo ● Google Map, Foursquare, Geolocation, GPS, Open Street Maps ● Augmented Reality: Vuforia, Metaio ● Cocos2D, OpenGL, Corona, Unity3D, Box2D ● Game Center, In-App Purchase, RPG server ● iAd, Adwirl, Revmob, Admob, Chartboost, Tapjoy, Flurry, Testflight ● Mantis, JIRA, RedMine, BaseCamp, Huddle, Sprint.ly, Github, BitBucket, SVN ● Cloud services: iCloud, Rackspace, Zoho CRM, Salesforce, Azure, AWS, EC2, Dropbox ● Enterprise Resource Planning (ERP), Cloud POS, Warehouse Management ● P2P Payments: Bitcoin, Guldencoin, hivewallet, breadwallet ● Online Payment Gateway: PayPal, Authorize.net, Stripe, Venmo, Braintree, Payleap ● Mobile Game Genre: Casino Slot machine, Poker, Chess, RPG, Arcade  less

    ios-development iphone-app-development iphone-ui-design ipad-app-development ipad-ui-design objective-c swift android-app-development java english 00 more less
    • $55.56 HOURLY RATE
    • 5.0
    • 144 HOURS
    • MALAYSIA
    • LAST ACTIVE
    • 10 PORTFOLIO ITEMS
    • 6 TESTS
  • Manager/Architect/Developer, Java, SQL, JavaScript, HTML, CSS

    Development of web and client-server applications using object oriented and aspect oriented technologies. I would like to work in the following areas: * Web Development of E-Business / Database Applications * Software Engineering Experience Summary: 8+ years experience in the information technology industry … more

    Development of web and client-server applications using object oriented and aspect oriented technologies. I would like to work in the following areas: * Web Development of E-Business / Database Applications * Software Engineering Experience Summary: 8+ years experience in the information technology industry with expertise in architecture, analysis, design and development. • Java (J2EE, Spring, Hibernate, JSP, JSF, JSTL), PHP • SQL, MsSql (T-SQL), MySQL, PostgreSQL, Oracle10 • JavaScript (Ext-JS, JQuery, Prototype, Mojo), CSS, HTML, DHTML • XML, XSLT, XPath, XStream • Web Services, wsdl • JReport, IReport • Maven, Ant, JUnit • Tomcat, JBoss • IntellJ, Eclipse • Shell Programming • Window 98/2000/XP/Vista/Seven, Red Hat Linux, Debian, Ubuntu, CentOS. I have the ability to manage projects, ability to work within tight deadlines, ability to work with new technologies and ability to fast learn, team player.  less

    java spring-framework hibernate javascript extjs richfaces jsf soap xpath xslt xsl xml jpa j2ee oop postgresql sql mysql jquery css xhtml html php 00 more less
    • $33.33 HOURLY RATE
    • 5.0
    • 5987 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 13 PORTFOLIO ITEMS
    • 1 TEST
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