J2SE Freelancers

Browse J2SE job posts for project examples or post your job on Upwork for free!

J2SE Job Cost Overview

Typical total cost of Upwork J2SE projects based on completed and fixed-price jobs.

Upwork J2SE Jobs Completed Quarterly

On average, 3 J2SE projects are completed every quarter on Upwork.

3

Time to Complete Upwork J2SE Jobs

Time needed to complete a J2SE project on Upwork.

Average J2SE Freelancer Feedback Score

J2SE Upwork freelancers typically receive a client rating of 4.92.

4.92
Last updated: May 1, 2015

Popular J2SE Searches

More options
Clear all filters
  1. Aldrin L.

    Aldrin L.

    Architect, Backend Engineer (Scala, Java, Hadoop)

    Brazil - Last active: 2 days ago - Tests: 12 - Portfolio: 1

    Over the past 15 years I've worked with projects ranging from Startups to Fortune 100s. From C++ to Scala, past assignments involved: - Protocol Design in C++/Delphi - Java API Publishing - Maven Plugin Development - Distributed Systems using RESTful backends - Scala / Akka Design - Jenkins Plugins Writing On a daily basis, I spend between Systems Architecture, Build Planning, for Hadoop and Restful Backends, specially under Amazon Web Services. Oh, I'm also a Cloudera Certified Administrator and Developer. Favorite platforms include Scala, Python and General Java. See my full profile for more descriptions and feel free to browse my github and bitbucket profiles at the addresses below: http://github.com/ingenieux http://bitbucket.org/aldrinleal Favourite customers involve pragmatic teams, with contant online presence, and direct involvement with the end customer, and a problem involving legacy and the next generation Feel free to discuss our next project - I'm always looking for the next challenge!

    Groups: LoginRadius, Microsoft Certified Professionals

    $55.56 /hr
    3,112 hours
    4.82
  2. Roman P.

    Roman P. Agency Contractor

    ♦♦♦ SN. RUBY DEVELOPER ♦♦♦ (Scripting, Web Development, Tesing)

    Germany - Last active: 1 day ago - Tests: 5 - Portfolio: 13

    • Over 11+ years of experience in Software Development, including: - 5+ years of experience with Ruby/Rails - 6+ years of experience as an Automation Test Engineer - 3+ years of experience as an Oracle Developer, Oracle DBA • Strong knowledge of the whole software development process, methodologies (RUP, Agile) and platforms • A quick learner, communicative and very well motivated. Extremely interested in constant learning and improving my skills

    Associated with: StrongQA, Ltd.

    $60.00 /hr
    4,305 hours
    4.91
  3. Terence B.

    Terence B.

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

    Philippines - Last active: 7 days ago - 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
    4,151 hours
    5.00
  4. Vishal S.

    Vishal S.

    Certified Salesforce.com Admin/Developer, Sales Cloud Consultant

    India - Last active: 12 hours ago - Tests: 5 - Portfolio: 2

    Dev 401 and ADM 201 Salesforce certified with 3 years of rich experience in Salesforce CRM development/Administration - Specializing in Salesforce administration, implementation, customization, data management and data migration. - 2+ years of strong hands-on Salesforce CRM as freelancer. - Experience in Salesforce CRM customisation and various admin configuration such as Workflow processes analysis, validation rules,etc. - Good Hands on SFDC Administrative tasks such as creating profiles, roles hierarchy, maintain active users,etc, and also worked on developing Apex classes,Visualforce pages ,apex jobs etc - Exposure to various tools like workbench, Developer console etc and practicing Bug fixing for the logical code. - Excellent knowledge about software and its component development. I've got good experience in both web and console applications. - Ability to design apex REST resources in salesforce.

    $27.00 /hr
    1,280 hours
    4.65
  5. Nikolai Kislitsin

    Nikolai Kislitsin

    Java/JavaScript/AngularJS/GAE developer

    Russia - Last active: 5 days ago - Tests: 5 - Portfolio: 12

    Experienced Java, JavaScript, Google App Engine developer. Over 5 years of experience in developing Web and Enterprise Applications. Over 3 years of experience in developing Applications using Google App Engine. Backend: Java, Google App Engine, BigQuery, Cloud Storage, Google APIs(Spreadsheets API, Maps API, Adwords API etc), Objectify, RestEasy, Guice, jUnit, Mockito. Frontend: JavaScript, AngularJS, jQuery, HTML, CSS, LESS, Bootstrap, Grunt, Bower, Jasmine, Karma. Version control: Git, SVN. Tools: Eclipse, Ant, Maven, Trello, Jira

    $44.44 /hr
    1,528 hours
    4.99
  6. Mohamed Sahmoud

    Mohamed Sahmoud

    Expert Java Software Engineer

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

    I am a java software engineer for 8 years. I have worked in the big companies in Egypt (IBM Egypt, ESRI Nea, ITWorx, Vodefone, Asset). I am shifting for the free lancing profile since I am looking for more flexibility, leveraging the technical skills, and working in concurrent project.

    $30.00 /hr
    2,104 hours
    5.00
  7. Tuan N.

    Tuan N. Agency Contractor

    Java and C++ Expert

    Vietnam - Last active: 12 hours ago - Tests: 6 - Portfolio: 7

    I'm java expert over 15 years in many positions such as as programmer, freelancer, analyst, java team leader, product architect, project manager. I'm major on Document Output, Document Management System, Enterprise Content Management (ECM), Document Conversion fields, Digital Image processing. Besides that, i have lot of experiences and good skills in WDK (Windows driver kit) development, Alfresco ECM, Filenet ECM, Filenet BPM, Education, Transportation, Hotel Reservation, Human Resource, Business Process Management (BMP), Groupon, CRM (Customer Relationship Management). Almost time, I have worked and researched in J2EE technology and Open Source Frameworks such as Cruise Control, Hudson, JBoss, Apache Tomcat, Apache server, Tomcat/ JBoss High available system (HA- clustering & load balancing between many web servers), BPM Activiti, Apache Axis, Apache Struts, Apache Ant, Apache Lucene, Java Server Faces, ZK (the very famous Ajax framework for Java), Vaadin, GWT, JQuery, iText, PDFLib, JTOpen, Spring, Hibernate, JPA, XDoclet, Eclipse, MyEclipse. My favorite methodology to develop software product is Test Driven Development (TDD). Generally, I’m very eager to work with Java technology, C++. In addition to the practical experience, I achieved the Master degree in Computer Science field at the Natural Science University with “Optical Music Recognition” in July 2005.

    Associated with: Document Distribution Soution

    $27.78 /hr
    4,224 hours
    4.79
  8. Arnab Karmakar

    Arnab Karmakar

    Java/J2EE/MQL4/Forex/Futures/Stocks Developer/Trader

    India - Last active: 4 months ago - Tests: 5

    Over 6 years 6 months of Professional Java Enterprise Software Analysis, Design & Development experience java/j2ee technologies Over 6 years 6 months of experience in full software development life cycle (SDLC) using agile Development methodology such as Rational Unified Process, Scrum, and agile Programming Expert in collections, core java. Industry Exposure includes Finance/Healthcare/Technology/Gaming. Expertise with Hibernate framework/JPA. Experience in Service Oriented Architecture (SOA) and Distributed Components Architecture with Web Service, SOAP, EJB Service, and Messaging Service Proficient in core Java Enterprise technologies such as EJB(session bean, entity bean, message driven bean, JMS, JTA,JAAS, RMI, Java Web Service, Java SOAP, Java Thread, Java Socket, Java Servlets, JSP, JSF, JSTL, Custom Java Tag Library, JDBC, Java Collections Framework, Richfaces, Swing etc Proficient in Message Oriented Middleware (MOM) technology such as JMS, Web Service SOAP,IBM WebSphere MQ (a.k.a. MQ Series) Designed SOA using WebSphere process server and MQ Series as message broker Excellent in object-oriented analysis, design and development skills using Java Design Pattern, Java best practices and UML modeling (Use Cases, Components Structure, Class Hierarchy, State and Processes, etc.). Implemented various design patterns from following categories Creational pattern - Abstract Factory, Builder, Factory, Prototype, Singleton Structural Pattern – Adapter, Bridge, Composite, Decorator, Façade, Flyweight, Proxy Behavioral Pattern – Chain of Responsibility, Command, Interpreter, Iterator, Mediator, Memento, Observer, State, Strategy, Template Method, Visitor JEE pattern – MVC, Business Delegate, Composite entity, Data Access Object, Front Controller, Intercepting Filter, Service Locator, Transfer Object Excellent Oracle 10g, Oracle 9i/8i, PL/SQL , SQL Server MySQL , DB2 database skills (Store Procedures, SQL Query) Excellent Web 2.0 Technology skills such as PROTYPEJS, JQUERY, XML, AJAX, HTML, DHTML, CSS, JavaScript (oop), JSON. Knowledge of action script 3.0 Experience with XML/XSL/XSLT/XQUERY/XPATHDOM/SAX. Used WS-security. Experience with Java Enterprise Application Servers such as IBM WebSphere, BEA Web Logic and Tomcat. Developed server-side components, three-tier architecture and various multi-platform integrated systems. Excellent Working Experience on IDE tools like RAD, Eclipse, WSAD and NetBeans. Experience in JUnit testing framework and in ANT build environment. Experience in working with Websphere portal Experience in writing Stored procedures and triggers Experience in using XDoclet to generate EJBs Coordinate various tasks and work well within a team environment. Excellent communication and inter-personal skills

    Groups: Sun Certified Professionals

    $38.89 /hr
    4,437 hours
    4.84
  9. Dmytro S.

    Dmytro S.

    Web/Software Developer - Java/Flex/Flash/3D/HTML/CSS/JS/Unity3D

    Ukraine - Last active: 01/14/2014 - Tests: 10 - Portfolio: 2

    Over the last 8 years, I have developed a range of websites using HMTL, JavaScript, Tibco GI, Flex, Flash, Unity3D, Java(JSP, Servlets, Struts, etc.) and MySQL, MS SQL Server, Oracle including sites for startup companies, small businesses and very large CRM applications for bank with world name. My core competency lies in complete end-end management of a new website development project, and I am seeking opportunities to build websites from the ground up for you or your business.I also have good experience in the following areas: 3D development, OOP, SQL, Ajax and software design and testing.

    $27.78 /hr
    2,009 hours
    5.00