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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 4.71.

4.71
Last updated: September 1, 2015

Popular Core Java Searches

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  1. Madhav Bhatia

    Madhav Bhatia Agency Contractor

    Android, Core Java C, C++, OpenGL, XML, SOAP, JSON,

    India - Tests: 1

    smartData Enterprises (I) Affiliate Proving quality innovative solutions to my clients. 2 years of extensive experience in developing native apps for iOS and Android SDK. With great insight into User Demographic requirements and changing market needs, I am confident to take up challenges to develop the best quality apps. Three years of extensive experience in developing Android and Java based applications based websites with extensive database rich applications, Smartphone App Development, Project Estimation and Web Development, worked on Php5, Cakephp Application Design and Database Design. Have done shopping cart applications and various payment gateway integrations for credit card processing in real time such as PayPal and Authorize.Net. Currently working on the development of Android Native Apps from the last 10 months for both smartphones and tablets using latest SDK's 2.2/2.3.

    Associated with: SmartData Inc Agency

    $13.58 /hr
    304 hours
    0.00
  2. Kirill Mitin

    Kirill Mitin

    Java EE/ Java / Android / Scala Developer

    Russia - Tests: 2

    Solution-oriented, skilled IT graduate, programming addicted with five years of experience in software engineering. The main area of expertise is developing enterprise applications based on the three-tier architecture and high-loaded applications. That includes experience in the whole life cycle of software development including design, coding, testing, integration and support. Strong skills in Java EE technology stack, Spring technology stack, HTML, JS, CSS, GWT, Play! Framework and Akka. Other side of expertise is Android application development.

    $18.89 /hr
    379 hours
    5.00
  3. Resa R.

    Resa R.

    Java EE Developer with EJB/Spring/Hibernate/Maven/Git/JUnit Experience

    Indonesia - Tests: 11 - Portfolio: 3

    I am a Java Developer, working as freelance Java Developer, mainly in Upwork. I am very passionate in Java and java-related technology. My experience mostly in business computing and information system area, using JSF or Spring MVC as web framework, JBoss Seam or Spring as Integration framework and Hibernate as favorite Java Persistence API (JPA) implementation. Mostly using JUnit for testing framework, except for JBoss Seam, I am using Test NG which is bundled together with JBoss Seam distribution. I am also very interested in database design and software design. If my clients require software methodology to documenting my design, my favorite software methodology is Iconix Process. Iconix Process is simplified version of RUP, make The Iconix Process one of reasonable UML Based methodology to adopt. In my spare-time, I am writing some personal open source project and small proof-of-concept about java-related stuff in my GitHub public repository. If you need my detailed skill abilities, below is what I have experienced in: - JPA 1.0, JPA 2.0, with Hibernate. - Bean Validation Specification with Hibernate Validator. - Dependency Injection with Java DI (JSR-330), Java Context and Dependency Injection for Java EE Platform (JSR-299), and Spring Core as most popular (but non-standard) Java Dependency Injection Framework. - Java Web Framework with Spring MVC and JSP, or Java Server Faces (JSF) with Facelet and Primefaces. - Java Web/Application server with Tomcat, JBoss AS/Wildfly, or Websphere AS. - Logging with SLF4J as a wrapper to Log4J or Logback. - JUnit or Test NG as testing framework. - Ant or Maven as build and dependency management tool. - HTML 5, CSS 3, JavaScript, JQuery, Twitter Bootstrap, and transparency.js - Third Party API such as Xero API, Open ERP Java API, Braintree Payment API, and Social APIs (Google, Twitter, Facebook, GitHub, etc.) - Linux/Unix or Windows. - MySQL, Postgre SQL, or Microsoft SQL Server. Thanks, Resa

    $27.78 /hr
    3,078 hours
    4.82
  4. Abdul Majid Shaikh

    Abdul Majid Shaikh

    Software Engineer

    Pakistan - Tests: 28 - Portfolio: 17

    I have an experience of 5+ years in IT Software Project Development. I am an experienced web developer and programmer. I have extensive experience in PHP, Magento E-Commerce, WordPress, WooCommerce, Joomla, VirtueMart, CodeIgniter, Laravel, Web Services in PHP, .NET Framework, Databases, Stored Procedures, OOP, SQL, HTML, JavaScript, jQuery, CSS, ASP.NET, Twitter Bootstrap, Moodle/Blackboard (LMS), Mandrill API, MailChimp API, and PhoneGap. My vision is to establish myself as one of the leading web-developer in oDesk. I want to be a part of your success by offering you top quality services. Always try to do works in reasonable price and high quality. I am going to give you high quality and competitive price service.

    Groups: LoadedCommerce, SocialEngine

    $12.00 /hr
    1,796 hours
    4.89
  5. Binit K.

    Binit K.

    Expert in Ruby, Rails, jQuery, ios development, cucumber, haml, git

    India - Tests: 5 - Portfolio: 6

    I am a full time rails freelancer. I have been working in web development domain for 6 year. In my recent experience (last 4 years) I have been working mainly on complex Ruby on Rails and PHP projects as senior software developer. As a web developer I worked with RoR starting with version 2.x, 3.x and now I actively use version 4.x with Ruby 2.0/2.2 . In my everyday work I actively use HAML, CoffeeScript, SCSS, JavaScript/jQuery. The majority of the projects I worked on recently used MySQL and Postgres for database storage, but also my recent experience includes Sybase SQL Server as well as NoSQL databases. I am doing the development jobs under Ubuntu Linux but also have experience with other Linux flavors (CentOS/RedHat, SuSe, Debian) and can install and tune the necessary software under Unix-like OSes. Whenever necessity arises I am using Windows for development/testing purposes as well. I have extensive experience with Apache as well as with NginX Web servers. Along with that I have worked with Amazon EC2, Heroku and many other server deployments. My less recent background is closely related to Rails development - my total Rails development experience is 6 years, including complex E-commerce projects as well as CRM applications and some minor experience with magento customizations. Also my previous experience includes the following programming languages (in descending order of mastership) : - Ruby on Rails - PHP - Magento The databases I previously worked with (starting with most recent) : - MySQL - Postgres - Sybase SQL Server - Oracle 10g - MS SQL SERVER 2005 - DB2 - Interbase During my career as a software/web deveveloper I used the following version control systems (from most to least recent ones) : - Git - Subversion - CVS - Perforce - MS VSS Also I used the following third party services to manage the project sources: - Github - Assembla - Bitbucket

    $12.00 /hr
    862 hours
    4.39
  6. Riadh C.

    Riadh C.

    Expert in web automation

    Tunisia - Tests: 2 - Portfolio: 9

    Expert in web automation, creating bots and scraping websites. With more then 6 years experiences in this field i can automate any process you want with the maximum accuracy and speed possible to a Machine. I use Java for multi-platform development so no matter what OS you got the bot will work for you. I can create light bot that do there task really quick or Human emulation bot which is the revolution of web automation field. I can bypass any kind of security from detecting ip to Captcha..

    $15.00 /hr
    394 hours
    4.93
  7. Miguel Khouri

    Miguel Khouri

    Experienced Mobile, Web and Desktop Developer

    Argentina - Tests: 8 - Portfolio: 8

    Contribute new ideas, knowledge and know-how through the processes involved in traditional and agile software development. Share expertise earned providing software development, engineering and project management services to companies around the world. I have been working in software development during last 16 years, I had expertise in the following areas and tools. • Project Management and Quality Assurance. • Certified Scrum Master • CMM y CMMI Software Engineering Models • Personal Software Process (PSP), Team Software Process (TSP y TSPi) • PMI PMBOK® (Project management body of knowledge). • Languages, CASE and Project Management Tools: • Design Patterns, UML, Rational Unified Process, Model Maker, MS Project, Enterprise Architech, ScrumWorks. • Frameworks, Programming Languages and Servers: • Delphi, Javascript (Cliente y Servidor),, MS IIS (Internet Information Server), MS SQL Server, Oracle, MS Exchange Server, Interbase, MS Access, Dbase, Paradox, HTML, XML, ASP, ASP .NET, COM, COM+,MS MTS, MS Index Server, MS Agents, MS ADSI, .NET Framework, C#, VB .NET, J2SE, J2EE, J2ME, CXF, Struts, Hibernate, JBOSS, Jbuilder, Tomcat, Websphere, Action Script, Adobe Air, Flex, Objective-C (iPhone, iPad, Mac OS X), Android SDK, BlackBerry SDK, Unity 3D • Configuration Management • Version Control: SourceSafe, SVN, Git • Continuos Integration: Jenkins, CruiseControl • Operating Systems: • Windows 2003/8, Windows 7, Windows Vista, Windows XP, MS Windows NT (Sever & Workstation), MAC OS X, MS Windows 2000 (Server & Professional), MS Windows 3.1, MS DOS, LINUX.

    $45.00 /hr
    1,121 hours
    4.71
  8. Vibha A.

    Vibha A.

    Full Time Software Professional

    India - Tests: 3 - Portfolio: 5

    I am a fulltime freelancer from past 2+ years and looking for a ongoing long term mutually fruitful relationship. I have an overall experience of nearly 6 years, working primarily with Flash/Flex/AIR projects. Also been working on the serverside technologies like PHP, Core Java, JSP, ASP, MySQL, Oracle, DB2 to support the flash based applications developed. I also have experience developing modular application using frameworks like Robotlegs, PureMVC and Cairngorm.

    $10.00 /hr
    528 hours
    4.86
  9. Bhupendra singh R.

    Bhupendra singh R.

    QA Consultant(Web & Mobile)-Startup champion

    India - Tests: 2 - Portfolio: 2

    • Completed 4 projects on oDesk • More than 5 Years of experience on Manual and Automated testing • Available in client working hours • Test Device and Environment: OS : Win Xp/Vista/7(32 bit and 64 bit)/8/8.1(32 bit and 64 bit), Linux, Mac OS X Browsers : IE 6/7/8/9/10/11, Firefox, Opera, Safari, Chrome • iOS Device - iPhone 5 (iOS 8.x) - iPad 4(iOS 7.1) • Android device - Samsung Galaxy S5 (Android OS, v4.4.2 (KitKat)) - Google Nexus 5 (Android OS, v4.4 (KitKat)) - Google Nexus tab 7 ( Android OS, v4.1 (Jelly Bean)) Working Approach : • Ability to work in an Agile environment • Leading the test Team, Writing test plan, Test Cases using requirement specification or user story. • If there is no requirement document then I will go through the application and prepare test document for your project. • Testing application if there is no test plan document • Submit bugs with proper screenshot and video • Test plan always fits into your budget and I will fit my plan in that way • Skills : Manual Testing : Smoke & Sanity Testing, Black Box Testing, White Box Testing, Integration Testing, Regression Testing, Load Testing, Security Testing, UAT, Performance testing, Non-function testing, Database testing, exploratory testing. Automated Testing Tools : Selenium (IDE and Web Driver), QTP, Sahi, Visual Studio Coded UI test, TestComplete, WinRunner ,Android Espresso, Appium, Selendroid. Load Testing Tools : LoadRunner, WebLoad, JMeter, Visual Studio Web performance and Load Test White Box Testing tools : NUnit, JUnit, TestNG, MS Test Bug Reporting Tools : TestTrack Pro, Bugzilla, Trac, Trello Programming Language : C++, C#, Java, Python, Visual Basic Web Based Language : HTML, ASP.Net, PHP Bug Analysis Tools : FireBug, Xpath Checker, Fiddler, FileMon, Burp Proxy Test Case Management Tools : Microsoft Test Manager, Test Link Version Control System : Microsoft Visual SourceSafe, SVN, Team Foundation Server, Git, Mercurial Database : MS SQL Server, PostgreSQL Server, ORACLE, MySQL Operating System : Windows Server, Windows 98/2000/Xp/Vista/Win7/8, Linux Project Management : Microsoft Project, Visual Studio Application Lifecycle Management, Basecamp, JIRA Analytics Tools : Localytics, Google Analytics

    $7.78 /hr
    10 hours
    5.00
  10. Pavlo C.

    Pavlo C.

    Java / Android Developer / DevOps

    Ukraine - Tests: 5 - Portfolio: 1

    I am detail-oriented professional with 2 years of industrial experience as Java Developer with focus on J2EE stack & Distributed System. Skilled at Software Engineering, Artificial Intelligence, Machine Learning and algorithms. Good written and oral communication skills. Great team-worker in distributed team. + Programming languages: - Java (Servlets/JSP, JDBC, JUnit) - JavaScript - C++, Prolog, Lisp + Databases: SQL (Oracle, MySQL, PL/SQL) + Frameworks: - Spring Framework (novice) - Hibernate (novice) - JUnit - log4j - AngularJS + Containers: - Tomcat + IDE: - Eclipse - Android Studio + Version control systems: GitHub, SVN + OS: Windows, Linux, MacOS X + Other IT skills: - Algorithms and data structures - TDD (JUnit with Hamcrest, Mockito, JWebUnit) - Maven - JSON, AJAX - REST API - HTML, CSS - XML, SAX/DOM, DTD, XPath, XSLT, XQuery, XML Schema, RDF, RDFS - Big Data: Hadoop (main concepts) - Android SDK - Knowledge of SCRUM/Agile methodology - Experience with Continuous Integration - Machine Learning methods - OWL (Web Ontology Language), Jena, SQWRL - TCP/IP - Code maintenance, documentation writing I love math, volleyball and cars.

    $12.00 /hr
    33 hours
    5.00