Senior Java Developers & Programmers

Get Your Java Programming Project Started Today!

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.

Browse Java job posts for project examples or post your job on Upwork for free!

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, 623 Java projects are completed every quarter on Upwork.

623

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 4.70.

4.70
Last updated: May 1, 2015
More options
Clear all filters
  1. Assylkhan Rakhatov

    Assylkhan Rakhatov

    developer

    Kazakhstan - Last active: 3 days ago - Tests: 7

    Hi, my name is Assylkhan and I am a ruby on rails and java developer. I've been learning programming for 3 years, since university. I think that my strongest points is ambition to write perfect code and creativeness. If you are interested here is my blog https://fathomless-brushlands-9550.herokuapp.com/ where are described my skills and links to my practical works.

    $9.00 /hr
    0 hours
    5.00
  2. Feruz M.

    Feruz M.

    Software&Web&Mobile&Quality Engineer/Translator/Data rater&evaluator

    Sweden - Last active: 5 days ago - Tests: 15 - Portfolio: 3

    I have keen interest in desktop and web programming, mobile development, database management, design, quality control, localization and translation. I am conscientious person who works hard and pays attention to detail. I am flexible, quick to pick up new skills and eager to learn from others. Through my experiences I learned how to work in a deadline-oriented environment, held responsibility for large segments of a team projects, contributed various projects to improve my skills. - C/C++/C#/Java Desktop programming - Python/PHP/JavaScript/HTML web programming - Network, Database Server Administration - Analysis, design & development. - Complex data structures, Software Testing - Data search engines (Google, Bing, Yahoo) - Localization, Translation

    $25.00 /hr
    0 hours
    5.00
  3. Eugene Dodin

    Eugene Dodin

    PHP, Android Developer

    Ukraine - Last active: 1 month ago - Tests: 4 - Portfolio: 1

    Hello, I am Android and PHP developer. I have been working with Android for 2 years, and have a 4 year background in PHP. I have a good knowledge of JAVA, Android SDK, multithreading (AsynTask, Thread), Fragments, support library, Services, SQLlite, GIT. I worked with a lot of APIs: Facebook API, Twitter API, Google Maps API, Google docs API. I have all necessary devices to develop and test your application to ensure that your application will work and look as expected on most of the popular phone models in the market. Best, Eugene.

    $15.00 /hr
    0 hours
    5.00
  4. Karim Skeel

    Karim Skeel

    Senior iOS & Android Developer

    Denmark - Last active: 2 days ago - Tests: 4

    Hi Clients, I am a Senior iOS & Android Developer having 8 years experience in mobile application and game development. I have experiences in developing native mobile apps including Social, photo, video Sharing, Shopping, BLE, Location based, Chatting application with Powerful web technologies. I am also very professional in mobile 2D game development with several game frameworks. Major programming languages: objective c, swift, java, c++ , php, javascript, ... Experienced SDK: Social Login(Facebook, Twitter, G+,...), Google Map, Almost ads, Unity, Cocos2dx... I've used to work with large projects, so have enough experiences and skills to complete the project alone fully. And I am trying to learn and study new Mobile+Web Technologies now. Thank you for your reading this. Kind regards. Karim

    $50.00 /hr
    2 hours
    5.00
  5. Alexey D.

    Alexey D.

    Android and Web Developer, System Administrator, Translator EN/RU/UA

    Ukraine - Last active: 18 hours ago - Tests: 9

    Hi, my name is Alexey. Thank you for attention to my resume. I'm fully working from the 2003 as a System and Network Administrator. Since 2008, I writing a web applications with Ruby on Rails. Also from 2011, I develop apps for Android-powered devices. Over the last 3 years, I have developed a wide range of Android Applications for small businesses. I have a Magister in Intelligent Decision Support Systems from Kharkov National University of Radioelectronics, in the Ukraine. Listed below are my experience and skills. Android Developer skills: — Android (2.x & 4.x): Fragments API, Location and Sensors API, SQLite, UI, Services, Maps, etc; — Android Material Design for 5.0 and backport for 4.x; — Durable REST clients with Retrofit, OkHttp — Push Notification — Google APIs — Parse.com APIs — Java Core: Java Core, Multithreading, Collections API, etc; — IDE: Android Studio, Eclipse; — VCS: Git, SVN. Web Developer skills: — Core web: XML, JSON, HTML5/CSS3, JavaScript, JQuery; — Languages: Ruby, PHP, Python; — Frameworks: Rails, AngularJS, NodeJS; — Databases: Mysql, Postgresql, SQLite. System and Network Administrator: — OS: FreeBSD, Linux, Windows; — Web-servers: nginx, Apache; — VoIP: Asterisk and any hardware voip phones; — Databases: Mysql, Posgresql; — Mail servers: Sendmail, Postfix; — Networking: dhcp, dns (named, unbound), firewalls (Iptables, ipfw, PF), MikroTik devices, vpn (IPSec, OpenVPN, PPTP, L2TP), Samba; — Monitoring: Zabbix; — Bash scripting. My speciality as developer: — Strong organization skills — Strong ability to think and act quickly I am a English-Russian/Ukrainian translator/proofreader in various subjects, like technical documentation, apps localization, etc. All of this skill help me do my work fast and efficiently.

    $10.00 /hr
    0 hours
    5.00
  6. ChengXue Mun

    ChengXue Mun

    Mobile Developer with Android and iOS

    China - Last active: 25 days ago - Tests: 2

    Minimum Hourly Rate $33.33 How are you? I have over 5 years experience and I'm an professional in IOS and Android game and app development. During these 5 years I have already developed a lot of mobile games and apps. Client's satisfaction is my prime goal. If you have a DREAM with SUCCESS, please contact ME. Best Regards.

    $33.33 /hr
    4 hours
    4.88
  7. Almog Shasha

    Almog Shasha

    Software Engineering student with OOP experience

    Israel - Last active: 14 days ago - Tests: 2

    I have been involved in various medium-large scale projects in which I gained hands on experience in the entire software development life cycle, starting from analyzing user requirements, to the design, code and testing of the software. I am at my last (4th) year of Software Engineering (BSc) degree. As a consequence of my academic studies and the projects I'v been involved, I acquired expertise in the following areas: OOP programming (Java,C#,C++). SQL Server database development. Low level programming (C,ASM). Client-Server architecture. Computer Graphics (OpenGL). I am a hard worker and perfectionist in terms of software quality. We will work close together to ensure that the software solution is consistent with your requirements and it is the best software solution for you.

    $22.00 /hr
    0 hours
    5.00
  8. Yousaf Bilal

    Yousaf Bilal

    Yousaf Bilal (Software Engineer)

    Pakistan - Last active: 13 days ago - Tests: 2

    I have done bachelors in software engineering and have experince of more than a year in field of web engineering .I can program in JSP , PHP and other web scripting languages. I also have experience of working with various php frameworks like codeigniter and yii. I have successfully completed many freelance projects, and can confidently take on whatever challenge you may offer me. I also have great experience in developing Location Based Applications using Google Maps and Google Places API

    $12.00 /hr
    0 hours
    4.85
  9. Bernhard Zürn

    Bernhard Zürn

    German Freelancer

    Germany - Last active: 1 month ago - Tests: 1 - Portfolio: 1

    Web-development Websites CMS ===== * Joomla * Wordpress * Drupal * CMS Made Simple Shopsystems ======== magento opencart prestashop xtcommerce oxid eshop Languages ========= * PHP * XML / XSD / XSLT / .. * JavaScript * SQL * C# * Java ( Swing / Android SDK / J2EE / EJB / JSF) * German / English ;) Framworks ========= * Prototype, ExtJS, jQuery, ... * .NET / WPF Software ======== * Netbeans, Eclipse, Visual Studio, .. Operating Systems / Services =========================== * Windows (XP / Vista / 7 / ..) * Linux ( Ubuntu / Gentoo / CentOS) * Apache / MySQL / Plesk Mobile ====== * Android * PhoneGap Quality Assurance ================= * Selenium * PHPUnit / Junit * Jenkins * Robotium * ...

    $60.00 /hr
    0 hours
    5.00
  10. Alejandro Egas

    Alejandro Egas

    Software Developer and Translator

    Chile - Last active: 18 hours ago - Tests: 5

    - 3 years experience developing PHP+MySQL software solutions - 2 years of experience developing Java desktop applications - Graduated from technical school as IT technician - Studied Physics at University of Concepción 3 and a half years. - Extremely enthusiastic self-learner. - I speak and write perfect Spanish (I am an amateur literary writer). - I've worked as a private teacher of programming, maths, physics and computers basics.

    $10.00 /hr
    0 hours
    5.00