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  1. Andrey Chorniy

    Andrey Chorniy Agency Contractor

    Senior Java (JEE and Android) Developer

    Ukraine - Tests: 3 - Portfolio: 7

    During my 11 years experience I've worked with a lot of java technologies and frameworks, performed a lot of refactorings and system re-deisgns and application performance tuning. My latest experience include application development for Android platform and web-applications with Java/Jboss-Seam/JSF/Hibernate/Spring. System integration with CMS systems like Alfresco, Artesia (OpenText) I have strong background in application performance tuning. Follow the best OOP principles and Design-Patterns. I also have an experience in developing information retrieval systems, datamining, textmining, evolutionary/genetic algorithms. I'm looking for challenging Java/JEE/Android projects.

    Groups: Android, Sun Certified Professionals

    Associated with: Texus

    $30.00 /hr
    2,876 hours
    4.83
  2. Gualberto B.

    Gualberto B.

    Eng., Msc

    Paraguay - Tests: 2

    Over the last 19 years, dedicated to developing a wide range of web and desktop applications using Java, Visual Basic, C# and PHP for medium bussines, banks and Paraguay goverment. Usually, I prefer to manage the full application life cycle. With strong knowlodge in Oracle, Postgresql and SQL Server procedural languages. Also done mission-critical telecomunication applications, such as billing systems mediation device and real time calls ticket audit. With strong C and database API management. I have implemented Business Intelligence with Pentaho in various government agencies. Interested in System Design and Development, Maintenance of Existing Web and Desktop Applications, Processing and Bulk data load, Database Administration and Software Testing.

    $33.33 /hr
    2,256 hours
    5.00
  3. Alexey B.

    Alexey B. Agency Contractor

    Senior Java Developer / Team lead: Java/J2EE

    Ukraine - Tests: 2 - Portfolio: 6

    IT-Specialist with more then 15 years experience in software development. Over last 12 years I was working on web sites/portals development using Java and related techs: JSF, Facelets, RichFaces, Spring, Seam, JPA, Hibernate, EJB, Portlets, Maven, HTML, DHTML, CSS, JavaScript. JBoss AS, JBoss Portal, Tomcat, AMF, BlazeDS, SOAP, JSON, XML. Over last 7 years worked as team lead/architect. Last 3 years spent as project manager for eCommerce platform server-side/portal development. Hardworking, team and goal oriented, challenge seeking, work well under pressure. Ready for sporadic overtime.

    Groups: Yahoo Web Hosting Designer

    Associated with: U268

    $38.89 /hr
    16,062 hours
    4.86
  4. Hasan Saghir

    Hasan Saghir

    Web Developer / Designer (J2EE / HTML, CSS, JS, jQuery)

    Australia - Tests: 3

    - 7 years of experience in web development using Java technologies. Working on Java MVC Frameworks like Struts 1/2, JSF at front-end and Enterprise back-end technologies like EJB 2/3. - Hands on experience in designing complete dynamic websites from design to deployment. I also have experience working at website design using JavaScript frameworks as jQuery, DOJO etc. - Working knowledge of all project development tools like Ecplise, Database workbenches (DB Visualizer, MySQL Work Bench) , SVN, CVS, Test Director, OTRS, XPlanner. - Practical knowledge of working with Website Security / Vulnerabilities including OWASP and PCI top enlisting.

    $50.00 /hr
    4,088 hours
    5.00
  5. 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
    3,073 hours
    4.82
  6. Valentin Poroxnenko

    Valentin Poroxnenko Agency Contractor

    senior Java/Androi developer (EJB, JPA,JSP,GWT,Portlets, Eclipse)

    Russia - Tests: 11 - Portfolio: 4

      I have been working as a key developer and team lead at the java or android projects for more than 6 years. Most of these projects were enterprise applications. Team leading and project management experience. Good knowledge of team working rules and tools (version control, bugtracking, time management systems, etc.) Development  of multi-tier applications based on JBoss, Weblogic, WebSphere, Tomcat application/web servers. EJB 2, EJB3, servlets, Web services(SOAP, REST, axis2) using for middle tier. AJAX(GWT, JSF with IceFaces), JSP as view tier. Hibernate and JPA ORM at the MySQL, Firebird,Oracle db's. Good design patterns knowlege GoF, Java EE patterns etc. Exam leader and first contributor at the Eclipse RCP exam at the JavaBlackBelt - Java Certification Community ( http://knowledgeblackbelt.com/ ). Brown belt, userID http://knowledgeblackbelt.com/UserView.wwa?userId=148936#!User/vporoxnenko

    Associated with: NevaSpecInSoftConsult

    $30.00 /hr
    1,154 hours
    4.55
  7. Andrew S.

    Andrew S.

    Senior Software Developer

    Australia - Tests: 6

    I develop scalable, reliable, and secure applications using latest technologies. I provide professional, high-quality maintenance work and enhancements to existing software applications. In my previous roles I was leading a team of software developers based north of Sydney, Australia, working on desktop and web applications for finance professionals. I am now changing direction towards freelancing and self-employment, writing my own mobile phone applications and working on a contract basis with individuals and companies who have software/IT needs that I can meet. I am a highly-skilled professional, with excellent communication skills on both the business side and the technical side. I have well-developed time-management skills and have experience successfully delivering quality software solutions within required time-frames. I will work diligently and effectively for you, on any job for which I am hired. You will not be disappointed. Areas of Specialization: Web Scraping, Database Design, MVC Application Architecture, CRM, Code Optimization, Shell Scripting, Network Administration. High Proficiencies: C++, Java, XSLT, XPath, RegExp, SQL, Eclipse IDE, SOAP/REST Webservices.

    $80.00 /hr
    1,036 hours
    3.73
  8. Ysai G.

    Ysai G. Agency Contractor

    Full Time Java Architect /J2EE/Jboss-Middleware/Hibernate

    Bolivia - Tests: 1 - Portfolio: 1

    Java J2EE Senior Developer with experience of 10+ years in full time development, management, maintanance of scalable, multi-tier web/desktop applications and full lifecycle application development , I worked a write applications using JBoss technologies application suitable for mobile. I am having very good knowledge of Core Java, Seam Framework, Spring, JSP, Servlet, EJB 3.0, Jboss Enterprise Data Services Framework, Jboss Enterprise SOA PlatForm, Jboss Enterprise BRMS PlatForm, Jboss Enterprise APLICATIONS PlatForm (EAP), Facelets (RichFaces, OpenFaces, PrimeFaces, JSF1.5,JSF2), PostgreSQL Enterprise Data Base, Hibernate, JNI, MySQL, Oracle 10g, Java Script. Very reliable, give me an opportunity an I garantee you that you will satisfied

    Associated with: Galindo Consulting Group, Inc. Agency

    $15.00 /hr
    3,273 hours
    5.00
  9. Jonathan C.

    Jonathan C.

    Consultant

    United Kingdom - Tests: 1

    I have a UK university PhD, in Artificial Intelligence, and the business management skills to match, together With 15 years of Delphi, C++, Java, SQL, and Object-oriented analysis and design experience. I specialise in development including protocol specification, thread management, distributed communication and database transaction management. I have retro-fitted software in tasks ranging from installing improved modules to sophisticated Artificial Intelligence sub-systems. I can provide the often essential empathy with the contract holders, and the pragmatics to satisfy the demands of management. I have 20 years of competency in the software industry, and have a proven track record that will guarantee the successful realisation of your system requirements. I have designed and implemented systems used by multi-billion turnover corporations around the world, saving millions of pounds savings per year. My scope in system design and development ranges from individual utilities and embedded operating systems, through to large-scale corporation-wide distributed architectures. I am also able to provide a code debugging and fixing service, either onsite or online. I can give workshops and can facilitate training of new software developers, both in-house and online. I have managed my own team and maintained their skills matrices, ensuring training has been current. I have defined and managed new product releases and have written instruction manuals for new and "super" users at the customer end of the project.

    $105.56 /hr
    2,738 hours
    4.96