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Core Java Job Cost Overview

Typical total cost of Upwork Core Java projects based on completed and fixed-price jobs.

Upwork Core Java Jobs Completed Quarterly

On average, 394 Core Java projects are completed every quarter on Upwork.

394

Time to Complete Upwork Core Java Jobs

Time needed to complete a Core Java project on Upwork.

Average Core Java Freelancer Feedback Score

Core Java Upwork freelancers typically receive a client rating of 4.70.

4.70
Last updated: July 1, 2015

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  1. Fernando R.

    Fernando R.

    Ruby on Rails Developer with Strong Linux Background

    United States - Last active: 07/03/2012 - Tests: 3 - Portfolio: 1

    Very proficient RoR Web developer with a strong Linux/Unix background. Located in Florida, USA I work on EST timezone, allowed to work legally in the USA, I can attend to meetings, receive and make calls worldwide, as my customer you will be provided with a direct line to contact me if necessary. Over 11 years of experience on the IT industry, mainly working for major 500 Fortune US companies such as Cisco Systems, LexisNexis, Sun microsystems and others. My focus is always to keep things as simple as possible and make stuff better. Relevant skills : - Ruby on Rails 3 - Authorize.net , Credit card systems - RSpec , Capybara ( Testing ) TDD - Memcache - C ANSI - Linux / Unix (Solaris) - Shell scripting - Unix power tools: vi,awk,sed,bash,truss,top,strace,tcpdump,iptables.. - Capistrano - Amazon EC2 and Clouding computing. - VPS (Heroku, SliceHost, DreamHost) - Git Collaboration tools and extras that we offer to our customers : - US Phone number landline and cell phone - Skype. - Outlook Calendar (Exchange server) - EST U.S timezone, Located in Florida, near by major airport (FLL) - Fluent in English, Spanish and Portuguese (Spoken and Written) Don't hesitate to contact me if you have any questions.

    $33.33 /hr
    157 hours
    5.00
  2. Mohit Mittal

    Mohit Mittal Agency Contractor

    Expert Sw Developer .Net, Java, Selenium, TestComplete

    India - Last active: 02/20/2014 - Tests: 8

    I hold 5 years of Software Design, Development and Test Automation experience with Citrix Systems and Devfactory. The work involved delivering critical features in hugely complex products. I graduated from BITS Pilani with a CGPA score of 9.88 on a 10 point scale in 2008. Thereafter I joined Citrix - a leading organization in App and Desktop virtualization where I contributed mainly towards server side software development. I was responsible for writing critical modules of Citrix Workflow Studio and Citrix Smart Auditor. After 3 years of stint at Citrix, I joined devfactory as a freelancer to assist in their Test Automation efforts. In this opportunity, I learned and applied fundamentals of Test Automation (using TestComplete tool) on various Enterprise Products. I also managed a team of 10 people and contributed towards Process Building and Process Improvement to help stabilize Test Automation in Devfactory. May 2013 onward I have done multiple web app test automation projects using selenium. I have also done test automation in Java and Python using monkey and monkey runner for Android Apps.

    Groups: AspDotNetStorefront

    Associated with: Mavuno Technologies Pvt Ltd

    $15.00 /hr
    2,565 hours
    5.00
  3. Malik A.

    Microsoft developer

    Pakistan - Last active: 2 months ago - Tests: 1

    Since 2003, I have served as a Senior software engineer for software development companies, where I have been repeatedly recognized for developing innovative solutions for international companies. I am responsible for full lifecycle development of next-generation software, from initial requirement gathering to design, coding, testing, documentation and implementation.

    $16.67 /hr
    53 hours
    4.72
  4. Jason M.

    Jason M.

    Software Developer

    Canada - Last active: 1 month ago - Tests: 2 - Portfolio: 4

    Good Technical Fellow who can handle the most difficult jobs across diverse product family and technology library. My previous jobs include software performance optimization, software engineering process design and management. Above 8 years in direct hands-on coding. My skills include great software development practices and tools, including Virtual environments, Source control, Remote development, Issue tracking , Build , Packaging and test automation. Develop both desktop and Web applications using advanced technologies , which include : Java/J2EE, XML , XMLSchema, J2ME , Cocoa , Objective-C , UI Components with Swing /AWT, Web Frameworks such Hibernate,JSF,Struts... Mobile Developer : iOS Recent Application: Property Appraisal Applications for iPhone and iPad

    $30.00 /hr
    88 hours
    4.97
  5. Pavel S.

    Pavel S.

    Java Developer

    Russia - Last active: 1 month ago - Tests: 5

    In programming since 2004 (Oracle pl/sql in Banks). Now I am Java Developer (3 year of J2EE web development). I have involved in website development using JSF 2, JSP 1.2, JSTL 1.2, Servlet 3.0, Spring, JDBC 4.0, Tomcat 7, MySql. Experience in Maven, JUnit, Mockito, Git, Jirra. Understand HTML, CSS, Sql, Java Script. I want to strengthen my knowledge in J2EE with your greate Team. Also I want to become Java Enterprise Architect and work hard for this! Looking for any part time job upto 10 hours per week.

    $16.67 /hr
    36 hours
    5.00
  6. Bigyan Shrestha

    Bigyan Shrestha

    Software Engineer

    Nepal - Last active: 1 month ago - Tests: 4 - Portfolio: 2

    I have 2+ years experience in software development as a Software Engineer. * Languages: Java, PHP, Common LISP, C/C++, python * OS: Linux (Redhat, Debian), Windows * Databases: MySQL,Oracle, MsSQL, SQLite, Berkeley DB * Miscellaneous: # HTTP, SOAP, Web services # JBoss, Apache Tomcat, Slide (WebDAV) # Ant, Maven, Bamboo, SVN, CVS, GIT ** Specialties: Research, design, development, and testing of enterprise and desktop applications. Release engineering and tools development more info: http://np.linkedin.com/in/bigee

    $44.44 /hr
    13 hours
    4.94
  7. Mauricio Offermann Palma

    Mauricio Offermann Palma

    Computer Engineer

    Chile - Last active: 1 day ago - Tests: 2

    I'm a Computer Engineer , during my career I have worked managing , designing and developing custom web applications for clients of different nature and in many different languages, but definitely my biggest strength is Salesforce APEX. My experience divided into three areas: Project Management We perform planning activities in the short term , while maintaining excellent communication with the customer , give daily reports on the progress of the project which include the activities performed, the problems encountered and the proposed solutions . Application Design Often the technical details make a big difference in implementation , which is why I worry about guiding the client presenting the best solution strategies , considering important issues such as security of information, the application performance , use of resources , the way they behave in the future scenarios with massive data loads or increased volumes of information. Software Development I believe that application development is my strongest skill have much experience in various languages ​​such as Java, C # or Ruby , mainly oriented web solutions , management naturally javascript ( including jQuery ) , CSS , JSP , HTML . Have special ability to manage MySQL , PostgreSQL , SQL Server and more databases. However, the last 7 years I have specialized in developing applications on the Salesforce CRM . These applications include design , process automation , configuration , workflows , validation rules , triggers, Visualforce pages, Apex classes and components . In addition to integrations with other systems using webservices and bulk batch .

    $40.00 /hr
    1,349 hours
    5.00
  8. Dmitriy K.

    Dmitriy K.

    Full-stack java developer

    Russia - Last active: 4 days ago - Tests: 9

    Hello! My name is Dmitriy, I'm a passionate programmer. 10+ years of professional expertise in the Information Technologies industry. Rich expertise in Java SE/EE and related technologies (Core Java, Servlets, JSP, JSF, JDBC, Spring, Hibernate) Expertise in mobile development (Android platform, Apache Cordova, PhoneGap) DB design and development (Oracle, Postgresql, Elasticsearch, MongoDB) Client/server systems architecture and development Specialties: Java8 (Java Core, Spring, Vaadin, Guava, JSF, JDBC, Multithreading, Build environments: Ant, Maven); Clojure + Clojurescript with Om / Reagent; Groovy + Grails; HTML-CSS-JavaScript: jQuery, AngularJS, Bootstrap. Machine learning: Encog, Weka, R. Have a strong interest in functional programming languages (Clojure, Scala, Erlang, Haskell). Have some experience with Apache Mahout recommender engines. https://github.com/kagel

    $27.00 /hr
    26 hours
    5.00
  9. Andrew Lisun

    Andrew Lisun

    Android developer

    Ukraine - Last active: 19 days ago - Tests: 4 - Portfolio: 2

    If you're interested in efficient, well-designed, extensible android application, most likely I'm perfect choice for you. I have strong skills in object-oriented programming and Android app development. My applications are portable between various android devices and have pleasant user interface. Apart from this I had experience with Facebook API. So, if you also need to make your app social you're looking through profile of developer who can do this perfectly. Also I had experience with git, C++, Qt. I guarantee you a high quality applications.

    $15.00 /hr
    63 hours
    5.00