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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, 447 Java projects are completed every quarter on Upwork.

447

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.

4.73
Last updated: September 1, 2015
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  1. Hendrik Tukunang

    Hendrik Tukunang

    Professional web, mobile and desktop developer

    Indonesia - Tests: 9 - Portfolio: 6

    I specialize in web development, specifically Django-python Framewrok, PHP, MySQL, Ajax, jquery including but not limited to mobile (Android specifically), java desktop etc. I also rank in the top of my field in regards to Artificial Intelligence. My specialties compliment a wide array of industries. For example, a few of my recently completed projects include; hotel and tour reservation, library information systems, supermarket information systems through to more complex infrastructure such as cloud technology systems and more.. I pride myself on going the extra mile for my clients. But don’t take my word for it, please read my cliental feedback for an unbiased opinion. Kind Regards, Hendrik Tukunang Web Developer, Entrepreneur, Business owner/operator. Client for life..

    $12.00 /hr
    25 hours
    5.00
  2. Karsten Priegnitz

    Karsten Priegnitz

    Java, Linux, PHP, Android, SQL Expert and Translator

    Germany - Tests: 5

    I'm a highly skilled Java developer. I'm also excellent in Javascript, Linux administration and scripting, Database / SQL programming, Android development and HTML, JSP, AJAX, PHP and perl. I studied informatics in Germany and Spain and worked for 11 years in a state owned bank in Lower Saxony as a software engineer and project leader. I finished both with outstanding appraisals. My second biggest interest is the English language. I studied English in school as one of my favourite subjects (besides math). I can translate from English to German quickly and communicate in English fluently.

    $50.00 /hr
    457 hours
    5.00
  3. Dali Freire

    Dali Freire

    Java Back-End Developer

    Brazil - Tests: 4

    Solid experience in software development. Oracle Certified Professional (Java), Bachelor and Master in Computer Science with over 9 years’ experience in Java programming (JavaEE and JavaSE), as well as with similar technologies like Spring, Hibernate, JPA, JSF, JAX-WS, JMS, Maven, Tomcat, JBoss, WebSphere Application Server, WebSphere Message Queue (MQ), Oracle database, MySQL, Subversion (SVN), GitHub. Currently working as a Java Technical Leader in Scopus Tecnologia Ltda (Uberlândia/MG/Brazil) working mainly on projects for Bradesco Bank using JavaEE technology.

    $20.00 /hr
    387 hours
    5.00
  4. Lewis Kabui

    Lewis Kabui

    Software Developer/ Data Entry Specialist

    Kenya - Tests: 5

    Over the last three years, I have been exposed to a work environment that has taken advantage of my IT edcational background. My core competencies include; 1. An good understanding of the Linux command line. 2. Database Management Competencies in MySQL, PostgreSQL and Microsoft Access. 3. Programming in Java Programming Language. 4. Networking, Address Allocation and Subnetting. 5. Proficiency in Microsoft Office Applications e.g. Excel, Word 6. Internet Research as and when needed. I am currently learning Python and Android Programming to further develop my range of competencies.

    $4.44 /hr
    0 hours
    5.00
  5. Hassan Radi

    Hassan Radi

    ISTQB Certified Tester, Software Developer, Translator

    Egypt - Tests: 6 - Portfolio: 8

    I am a certified ISTQB tester (Foundation Level) with 2+ years of software testing experience. While some people are passionate about building software applications, my passion is how to break them. I believe that nothing is perfect and that every software application has many bugs that need to be discovered. Here comes my part, I will test your software application and make sure to find as many bugs as possible before we release it to the customer. I am experienced in the following testing techniques: - UI testing. - Boundary testing. - Manual testing. - Regression testing - Black-Box and White-Box testing. - Usability testing. - Cross-browser testing - Exploratory testing - Localization testing. - Testing frameworks (Selenium, Appium & Selendroid). - TDD (Test Driven Development). ************************************* The second thing I am passionate about is building software applications, with 4+ years of experience in software development using C#, C++, Java SE, JSP, Qt, WPF.

    $16.67 /hr
    668 hours
    4.96
  6. Monika Trimoska

    Monika Trimoska

    Trilingual Computer Engineering Student and Transcriptionist

    France - Tests: 8

    I am a computer engineering student who is looking for more and more work experience. I am very ambitious and love to learn new things daily. I have worked with xhtml, css, php, mysql, java…but I have also learned and done school projects in C, assembly language, shell – script, caml (functional programming), SQL Oracle, XML, XSL… I am doing general, business and legal transcription. These might include videos, interviews, seminars, webinars... I can do transcription of a single speaker, one-on-one, or group discussions. The transcription software I am using is Express Scribe. My best characteristics are accuracy and attention to detail. I am responsible and will make sure to meet deadlines. I am an extremely fast and efficient self- learner. My English comprehensive skills are excellent and what’s more important I am not afraid to ask as many questions as I need to clearly understand your needs and requirements for the work I am doing.

    $5.99 /hr
    0 hours
    5.00
  7. Ahmed D.

    Ahmed D.

    Ahmed

    Pakistan - Tests: 2 - Portfolio: 4

    I am a Professional Software Engineer having expertise in following fields: - Software Architecture - Java Application Development - Mobile Application Development (Android) - Google Play Experienced (My Application(s) https://play.google.com/store/search?q=emazdoor) - Database Application Development - Software Quality Assurance - Content Writing

    $5.00 /hr
    0 hours
    5.00
  8. Biroas Eusebiu

    Biroas Eusebiu

    Ambitious Software Programmer, .NET professional

    Romania - Tests: 1

    I am an ambitious software programmer who likes the challenge to develop complex applications which fully satisfies customer desires. I have good experience in .NET, C++, JAVA, DirectX and I`m looking forward to improve my skills based on future requests.

    $16.67 /hr
    0 hours
    5.00
  9. Kris Haines

    Kris Haines

    Software and Mobile Developer

    United States - Tests: 3 - Portfolio: 5

    I am an experienced software and mobile app developer. My experiences are with mobile technologies such as Java and Native Android, iOS and Swift, PHP, MySql, XML, HTML, and C#. I am currently in a Bachelor's program at Full Sail University for Mobile Development and I have done some freelance work Developing Android and iOS applications.I am looking to work as a freelancer until my degree is done and I can find a career somewhere. English proficient Highly skilled in Android and iOS Learn Quickly Educated

    $20.00 /hr
    18 hours
    3.76
  10. Crispin O.

    Crispin O.

    Senior Software Engineer (PHP/Java/Javascript/MySql/Oracle)

    Kenya - Tests: 2 - Portfolio: 1

    I have been in the software industry for the past 7 years. I began by building my first website using Mambo CMS and moved over to Joomla and drupal over the years. I developed a strong backround in HTML, Javascript, CSS and XML as a result By my third year in the Industry I started actively working with JAVA technologies as well as PHP. Currently I focus on Enterprise Level applications which entail multiple layers in their design and implementation. The core technologies that I interact with constantly are: -JAVA - Both J2SE 5 , 6 , 7 and JEE 5 , 6 and 7 -Javascript Frameworks - Sencha Ext JS 3 and 4 , JQuery and JQuery UI -HTML5 -PHP4 and PHP5 Object Oriented Development -PHP Frameworks - Zend Framework and CodeIgniter Framework. -MySQL and Oracle Database Servers Show Case Systems I have worked on in the last 2 years: 1. Business Intelligence Tool for a leading Bank in Kenya - Tool used for acquiring reports from the banks multiple systems and presenting them in Excel , PDF , XML , CSV and Editable Design format. Tool Used Java Servlets , Sencha EXT JS 3 Presentation , Oracle Database Backend. 2. Project Progress Tracking Tool for a leading Development Non Governmental Organization. Developed in PHP CodeIgniter Framework and Sencha EXT JS 4 , MySQl Database Server. 3. Front End to Asterix PABX for A Netherlands Telecommunications Company. Used Python 2.7.6 as the Core Development Language. 4. Several Other Web Applications that interact with backend databases and have secured access , administration modules , reporting modules featuring data export in XML , Pdf and Excel, Backup and Recovery modules among others. I also hold the following academic qualifications: 1. Bachelor of Science in Physics 2. Advanced Diploma In Management of Information Systems. 3. Diploma in Management of Information Systems. I am a co-founder of the company that I currently offer my consulting services for. Cedilla IT Ltd. I believe my 7 years experience with simple , midddle level and advanced enterprise level applications have prepared me to tackle any assignment with discipline , professionalism and success.

    $15.00 /hr
    0 hours
    0.00