Senior Java Developers & Programmers

Showing 36,783 freelancers

Senior Java Developers & Programmers

Showing 36,783 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

  • Software developer C++/Qt, Java.

    Senior C++ Developer with 10+ years of experience. Excellent knowledge: С/C++, Qt, boost. Good knowledge: Java. Linux, Windows and MacOSX platforms. Extensive experience working with SQL and PL/SQL in MySQL, DB2, Oracle.

    c++ java python sql ibm-db2 mysql-programming 00 more less
    • $22.22 HOURLY RATE
    • 4.8
    • 107 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 4 PORTFOLIO ITEMS
    • 4 TESTS
  • Full-Stack Developer

    • I'm a talented Web and JavaScript developer. I've got extensive experience working with Java, JavaScript and Python. I'm also co-founder, team leader at Teracy where we do outsourcing and product development. • I'm expert in the following … more

    • I'm a talented Web and JavaScript developer. I've got extensive experience working with Java, JavaScript and Python. I'm also co-founder, team leader at Teracy where we do outsourcing and product development. • I'm expert in the following fields: JavaScript, Python, MySQL, PostgreSQL, Java, HTML5, CSS3, OOP, AJAX, XML, Design Patterns, software architecture, jQuery... • I'm looking for opportunity to use my working experience to build robust websites from ground up for your business.  less

    security java jsp hibernate spring-framework portlets apache-tomcat osgi mysql html5 css3 javascript ajax jquery jquery-mobile rest php node.js maven twitter-bootstrap backbone-js j2ee mongodb phonegap 00 more less
    • $33.33 HOURLY RATE
    • 4.9
    • 2516 HOURS
    • VIETNAM
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 14 TESTS
    GROUPS:
    ASSOCIATED WITH:
  • Mobile App Developer\Desktop App Developer

    I'm experienced mobile app developer(apps for Android) and desktop app developer(Java, C#, C++). I'm self-motivated and responsible, as well as able to pick up new skills quickly. I'm always doing my best to achieve goals … more

    I'm experienced mobile app developer(apps for Android) and desktop app developer(Java, C#, C++). I'm self-motivated and responsible, as well as able to pick up new skills quickly. I'm always doing my best to achieve goals and I'm always generating new ideas to improve the products I'm developing. Currently I'm most interested in Android app development projects where image processing, OCR and/or OpenGL is needed. My skillset: - Android app development ( native + ndk + renderscript + OpenGL ES ) - Image processing ( +OpenCV ) - Java - OpenGL - Game development (libGDX, UE4) - C++ - CUDA - C#, .Net  less

    android-app-development image-processing opengl-es c++ java ocr-tesseract opencv opengl cuda c# 00 more less
    • $20.00 HOURLY RATE
    • 5.0
    • 266 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 6 TESTS
  • Technical Leader

    He graduated from Jilin University, majoring in grid computing. After graduation, he joined Baidu as an R&D engineer of the Ministry of the Web search; subsequently, he transferred to the IT department, and committed to the development of workflow … more

    He graduated from Jilin University, majoring in grid computing. After graduation, he joined Baidu as an R&D engineer of the Ministry of the Web search; subsequently, he transferred to the IT department, and committed to the development of workflow software which was used by Baidu Phoenix Nest and lots of systems. As an IBMer, he is the team lead in China of Platform Symphony Continuous Engineering team now; continue to contribute his passion to build the best SOA middleware. For the skill, he is a generalist; from C++ to Java, python, php, shell; from Grid/Cloud to Internet, JavaEE, Database, Operation; but his primary skill is to understand the user case quickly and provide suitable solution.  less

    c++ linux-system-administration unix-shell project-management c unix-system-administration tcp-ip java 00 more less
    • $30.00 HOURLY RATE
    • 5.0
    • 2 HOURS
    • CHINA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 5 TESTS
  • Senior developer ( iOS, Android, Windows, ROR)

    *** Excellence is the unlimited ability to improve the quality of what you have to offer. *** *** If you can dream it, you can do it *** I am a senior iOS engineer and architect with 5+ years of experience in the mobile … more

    *** Excellence is the unlimited ability to improve the quality of what you have to offer. *** *** If you can dream it, you can do it *** I am a senior iOS engineer and architect with 5+ years of experience in the mobile industry. I have worked with a broad range of technologies and also took lead roles as an architect. I have experience with REST based APIs as well as client and server Facebook integration, and have implemented fault-tolerant systems with PHP and RoR back-end technologies. About credibility, you should see my client's review because credibility is someone else's idea of what I should be doing. Thanks for your time. PS: If you want to hire low rate worker, please don't waste your time because time is gold for both of us. -Languages Ruby, Java,Objective-C, PHP, JavaScript, C++, C,C#, HTML5 -Tools MS Visual Studio, Apple Xcode, Android SDK -Frameworks .NET Framework, Unity3D, Silverlight, COM, Json.NET,Cocoa Touch -Libraries/APIs Social Network API,Win32 API, OpenGL, -Platforms iOS, Android, Linux, Java EE, Parse, Unix, LAMP, Java SE, Heroku, JVM, Red Hat Linux, Node.js  less

    iphone-app-development android-app-development mobile-app-development c++ java jquery-mobile php project-management mysql driver-development 00 more less
    • $55.56 HOURLY RATE
    • 5.0
    • 552 HOURS
    • MALAYSIA
    • LAST ACTIVE
    • 10 PORTFOLIO ITEMS
    • 9 TESTS
  • Senior Software Developer

    I'm software developer. I have 7+ years of experience in software field. The main technologies that I have worked is j2ee technologies. Also, I have good experience in ATG, Reporting Tools, Swing, Hibernate, Struts, Spring IOC, AutoIT, source control … more

    I'm software developer. I have 7+ years of experience in software field. The main technologies that I have worked is j2ee technologies. Also, I have good experience in ATG, Reporting Tools, Swing, Hibernate, Struts, Spring IOC, AutoIT, source control tools, javascript, Hudson, mysql, oracle DB, XML, XSL, and Eclipse plugins development.  less

    java mysql swing sql hibernate javascript eclipse jboss autoit 00 more less
    • $17.78 HOURLY RATE
    • 5.0
    • 31 HOURS
    • EGYPT
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 1 TEST
  • Expert in xslt / xpath / xquery / xml

    Hi everyone, My name is Maxim Syrgiy. I have experience in the following areas: c/c++, java, openGl. But my strong side is xpath, xslt, xquery, xml. I've been working with these technologies more than 4 years. Now I … more

    Hi everyone, My name is Maxim Syrgiy. I have experience in the following areas: c/c++, java, openGl. But my strong side is xpath, xslt, xquery, xml. I've been working with these technologies more than 4 years. Now I'm working in Wiley and Sons company and our project is Online Library. Within this project I have necessity to use them very much. I can to work as a contractor about 20 hours per week. Best regards Maxim Syrgiy  less

    xslt xpath c++ java xml svn git javascript 00 more less
    • $16.67 HOURLY RATE
    • 5.0
    • 74 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 5 TESTS
  • NodeJS/Android/iOS/PHPDeveloper with 3+ years of experience

    Experience : I have 3+ years of experience in software developing (NodeJS, JAVA, Android, iPhone, PhoneGap) field. Goals : To become a successful IT Professional and to develop software that is going to meet individual client needs . Also want to upgrade my … more

    Experience : I have 3+ years of experience in software developing (NodeJS, JAVA, Android, iPhone, PhoneGap) field. Goals : To become a successful IT Professional and to develop software that is going to meet individual client needs . Also want to upgrade my knowledge about the newest advancements that are being made in the sector as well as utilize my expertise at developing software . NodeJS, Android / iOS / PHP Have experience with NodeJS ------------ 1) Socket.io 2) Express 3) Passport 4) HTML5 5) CSS3 Android / iOS --------------------- - Near field communication (NFC) Android. - Bluetooth Low Energy (BLE) - Google MAP API - Google Place API. - All kind of parsing XML,JSON,SOAP...etc. - Display data from web server (text,image,video...) - Upload data to web server (text,image,video...) - Push notification (GCM,c2dm, Urbarn airship, Parse...) - Bar code scanner, QR Code scanner - Upload or post data(images,video,) to server. - Social APIs like Facebook, Twitter,LinkedIn, sharing..... etc. - PDF: MuPDF library - YouTube API - Advertising framework : AdMob PHP ------- - Complete website development - Webs services (xml,json,soap...) - CMS (Wordpress, Joomla,...) If chances are give I assure you that will complete your projects in time and with great accuracy.  less

    node.js android-app-development iphone-app-development phonegap java j2ee php microsoft-visual-basic microsoft-visual-c++ 00 more less
    • $16.00 HOURLY RATE
    • 5.0
    • 23 HOURS
    • INDIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 1 TEST
    GROUPS:
  • Web Developer/SEO/Website Designer/Graphic Designer/Tumblr

    I am seeking opportunities where I can apply my expert skills and knowledge in Web Designing, Web Development & Web Programming. My Expert Level Skills are, HTML, HTML5, CSS, CSS3, PHP, MySQL, SEO, SMO, Javascripts, Jquery, C #, C++,Book keeping, QuickBooks … more

    I am seeking opportunities where I can apply my expert skills and knowledge in Web Designing, Web Development & Web Programming. My Expert Level Skills are, HTML, HTML5, CSS, CSS3, PHP, MySQL, SEO, SMO, Javascripts, Jquery, C #, C++,Book keeping, QuickBooks, Peachtree, ADP Systems, Data Entry, Graphic Designing, Photo Manipulation, Excel, Word, Power point presentations,Excel cleanup work,web research & Add Posting Expert and Customer supports as IT Management Officer. I also want to apply my expert skills in computer networking, Computer repairing, and customer support as computer consultant. I have a 9+ years hand on experience as WEB DESIGNER, PROGRAMMER and Developer. I have Successfully completed 70+ Jobs having average 4.90+ Stars Feedback. I have 370+ Odesk Working Hours Also. To work seriously and deliver the assignments on time, with satisfaction on buyer's side.Also to build websites and web applications tailored to clients' needs, to help them achieve their objectives and Improving my skills and have more experience in web development.Seeking challenging assignments to help small businesses and entrepreneurs.My knowledge, skills, professionalism, and excellent work ethic are tools that I use to deliver your project efficiently. I am an honest, hardworking individual,fast,flexible and i am available for any work any time.i want give quality work.  less

    java html html5 php css javascript tumblr phpmyadmin xhtml asp.net c# sql c++ wordpress adobe-photoshop corel-draw cost-accounting computer-networking computer-repair internet-marketing internet-research data-entry paypal-integration customer-service microsoft-powerpoint bookkeeping 00 more less
    • $7.78 HOURLY RATE
    • 4.8
    • 450 HOURS
    • PAKISTAN
    • LAST ACTIVE
    • 38 PORTFOLIO ITEMS
    • 7 TESTS
  • Database Consultant

    Over the last 11 years, I have developed no. of Software using Oracle, MS SQL, Access as a back-end and Visual Basic, Java as a front-end and Crystal Report and Data Report as a reporting tool. I also have excellent … more

    Over the last 11 years, I have developed no. of Software using Oracle, MS SQL, Access as a back-end and Visual Basic, Java as a front-end and Crystal Report and Data Report as a reporting tool. I also have excellent experience on Oracle Administration. Here are the details of my few recent Oracle experience: #. Currently working as a Oracle DBA Consultant. 1. D2Hawkeye Services (U.S. Based Company), currently involved as Oracle DBA training consultant. Provide Oracle DBA training and technical support(like performance issues, code samples, SQL tuning, Backup strategy, creating Server Managed Backup Scripts, etc) to the working staffs. 2. Midas Technology (Local Software Company, specialized in Hospital Management System and Colleges, Schools Software), currently involved as Oracle Consultant. Task performed so far from this organization: a. Oracle DBA training to the staffs. b. Oracle Database Server configuration at Manipal Hospital for peak performance. Configured Oracle Data Guard (Physical Stand-by Database). c. Successfully recovered the critical databases of Neuro Hospital, Whitehouse College and Teaching Hospital, Syakar Co. Ltd. (Largest Vehicle importer of the country), Himal Iron & Steel Industries due to Media Failure. (Note:, the databases at Whitehouse College and Himal Iron and Steel Industries were running in no- archive mode and the database was successfully recovered to the point of failure). d. Configuration and installation of Oracle RAC database at Dulikhel Hospital. Also configured for Oracle Data Gurad. e. Has done performance tuning in no. of critical databases. 3. Has done number of Oracle Database Server customization, configuration for small organizations. I also have a lots of training experience on MS SQL, Oracle, Java and Visual Basic since 2000. I have been providing training to the working professionals. Hear are the few organization, I have given training at: • Nepal Bank Ltd. • Nepal Telecom • D2Hawkeye Services (U.S. Based company) • Nepal Investment Bank • Nepal Agriculture Bank • Lumbini Bank • National College of Computer Studies • Manipal Medical College • Midas Software • Designco Software  less

    sql microsoft-visual-basic java microsoft-access oracle-database vba php javascript html ajax mysql 00 more less
    • $33.33 HOURLY RATE
    • 4.8
    • 407 HOURS
    • NEPAL
    • LAST ACTIVE
    • 4 PORTFOLIO ITEMS
    • 7 TESTS
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