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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, 489 Java projects are completed every quarter on Upwork.

489

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 4.72.

4.72
Last updated: September 1, 2015
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  1. Terence B.

    Terence B.

    Software Engineer | Neural Networks | DSP | Java,C/C++,Matlab

    Philippines - Tests: 4

    My expertise is centered on designing and developing intelligent and adaptive applications using the techniques of Neural Networks and Digital Signal Processing. I have also developed several web automation projects using java (J2SE and J2EE). I can also develop firmware and software applications in C/C++. Below is the summary of the skill set I have and the programming languages I have used. Skill Set - Digital Signal Processing - Image Processing - Artificial Intelligence (Neural Networks) - Embedded Systems Development - Control Systems - Robotics and Automations - CAPTCHA Analysis - Optical Character Recognition(OCR) - Web Automation Programming Languages - Java ( J2SE , J2EE and J2ME) - C/C++ - Visual Basic - Matlab

    $40.00 /hr
    4,199 hours
    5.00
  2. Andres Olvera

    Andres Olvera

    Expert Wordpress/PHP developer | Scripting expert

    Mexico - Tests: 18 - Portfolio: 2

    I have lots of experience building and enhancing WordPress plugins and building themes from scratch. My main strengths are: - Clean coding - 100% Wordpress coding standard compliant - Availability - usually respond within 5 to 10 minutes to any queries during CST workhours - Fast and top quality work I also have experience developing web pages using Perl and/or PHP, Javascript/jQuery, VBScript, CSS, Ajax and MySQL databases. I worked for a Fortune 500 automotive company in a reporting and analysis position, and also building and maintaining a website in the company's intranet using Perl and MySQL. After that I was in charge of supporting a website built with Java and the Spring framework, using both MySQL and Oracle databases, for customers worldwide. I also worked at the tech support helpdesk for that same company for over a year, troubleshooting Linux servers and workstations, networking and other data related issues. I was also in charge of administering KBOX ticketing system for over a year, from content management to database administration, to scripting solutions for its customers. I also have knowledge in scripting using different technologies, such as VBScript, Javascript, Linux shell scripting, Perl, and some Powershell, as well as VBA for Excel and HTAs. I was also regularly troubleshooting C and Java programs for bugs and/or enhancements. After that, I moved to a company named Softtek as a Software Engineer, I was part of a team that develops Wordpress plugins and themes for an American multinational conglomerate corporation. The last position I held was for yet another company as a Linux intermediate administrator, where I was in charge of managing users with Centrify and I also installed Cacti to monitor some of the company's servers running CentOS. Currently, I work on my own mostly developing Wordpress plugins and themes. I have specialized myself working on web development, mainly PHP with MySQL databases, but also Javascript/jQuery for the front end.

    Groups: Bluehost Developers and Designers, LoginRadius

    $88.89 /hr
    204 hours
    4.97
  3. Allejo Chris Velarde

    Allejo Chris Velarde

    Experienced Web Developer, Php (Symfony, CI, Cake) MySQL, Javascript

    Philippines - Tests: 6 - Portfolio: 6

    I worked for multinational clients for more than three years as Web Developer, primarily using PHP and its major frameworks (CakePHP, Symfony, CodeIgniter), and Javascript using mainly jQuery on my previous projects. I always make sure that I could establish good communication with my client to ensure that projects are true to its goals, on budget and delivered on time.

    $23.00 /hr
    1,602 hours
    5.00
  4. Juan Carlos Contreras Ontiveros

    Juan Carlos Contreras Ontiveros

    Web Development & Software Development

    Venezuela - Tests: 5

    I have developed a certain amount of websites using HMTL, PHP, AJAX, PostgresSQL, MySQL, Joomla and Engine Templates like "TinyButStrong". Plus, I have been developing among my jobs, diferent king of desktop software, in c++, java, batch. I also have good experience in SQL database management, software design and testing.

    $11.11 /hr
    239 hours
    5.00
  5. Celestine O.

    Celestine O.

    lagosMarket

    Nigeria

    I have 7 years in Telecommunication and IT industry with speciality in system development in Value Added Service (VAS) products. I have developed and launched various product with PHP, VXML, Java, .NET and C# . I have very good experience in monitoring and reporting in IT and Telecommunication environment with history of very successful projects.

    $50.00 /hr
    131 hours
    5.00
  6. Omar T.

    Omar T.

    PHP / Zend framework / CodeIgniter / AJAX / AngularJs / HTML5 / CSS

    Algeria - Tests: 5 - Portfolio: 4

    Full time freelance PHP Full Stack Developer with strong knowledge of front-end technologies HTML5,AngularJs, CSS, AJAX and Flex. I'm also familiar with Adobe's design software Fireworks, Photoshop. I provide quality code in record time for you and your business. I want to work on challenging projects that utilizes the latest technologies.

    $33.33 /hr
    1,807 hours
    4.98
  7. Andriy D.

    Andriy D.

    Experienced Android/Java software developer

    Ukraine - Portfolio: 8

    Hello, welcome to my profile! Over the last 2+ years I have developed different applications for mobile devices especially for Android. I have been working in developers team, we created many games and applications for Google Play, Amazon, etc.There I was responsible for networking, data transfering systems and social integration functions. My biggest advantage is the wide range of IT knowledge. I was working with java(SE,EE) on such IDEs as Netbeans, Eclipse, Intelij for about 1.5 years. Also I was working with big amount of technologies, frameworks,languages such as SQL, MySQL, SQlite, Spring, Maven, Git, Redmine ,c/c++, C#, .net, hibernate, django, etc. It is also possible to mention that I was invited on Beijing Jiaotong Technical University IT Conference in summer, 2014. I joined it as Android developer and was certified afther this classes.

    $15.00 /hr
    322 hours
    5.00
  8. Amitesh Chauhan

    Amitesh Chauhan

    Web Developer

    India - Tests: 1 - Portfolio: 4

    The opportunity presented in this listing is very interesting, and I believe that my strong technical experience of 1.6 year and education will make me a very competitive candidate for this position. The key strengths that I possess for success in this position include: · I have successfully designed, developed, and supported live use applications. · I strive for continued excellence. · I provide very good contributions to development team. With a B.Tech degree in Electronics and Communication, I have a full understanding of the full life cycle of a software development project. I also have experience in learning and excelling at new technologies as needed. Please see my resume for additional information on my experience.

    $10.00 /hr
    136 hours
    4.82
  9. Andrew Brown

    Andrew Brown

    Web Programmer

    United States - Portfolio: 7

    I program to solve problems. For the web, I tend to use PHP; for desktop environments, I use Java. Several of my open source solutions can be found at Github (http://www.github.com/andrewsbrown). I like code that emphasizes simplicity and speed. Until late 2009, I worked for a web design company creating backend functionality for frontend designs; I developed mostly in PHP and Javascript, making ample use of technologies like AJAX to create solutions for small business clients. I have a Bachelors in Computer Science from Corban College (2008, summa cum laude). I am currently am working on a Masters in Computer Science at Georgia Southern University.

    $50.00 /hr
    160 hours
    4.94
  10. Oleg Yatskiv

    Oleg Yatskiv

    Java Developer

    Ukraine - Tests: 3 - Portfolio: 5

    My personal experience in software industry is 2 years for the leading software company. I was working on more than three projects, carried out planning/estimation. I have experience in developing REST-full web services, complex server side solutions, integration testing. automated testing, scoping, and executing tests of new and existing features across projects, requirements management and development, and collaborated closely with Product Owners and the entire development team. I am reliable, flexible, and adaptable person being able to learn fast and to handle complex tasks.

    $30.00 /hr
    337 hours
    5.00