JPA Freelancers

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

JPA Job Cost Overview

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

Upwork JPA Jobs Completed Quarterly

On average, 6 JPA projects are completed every quarter on Upwork.

6

Time to Complete Upwork JPA Jobs

Time needed to complete a JPA project on Upwork.

Average JPA Freelancer Feedback Score

JPA Upwork freelancers typically receive a client rating of 4.61.

4.61
Last updated: May 1, 2015
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  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. RJ Ali

    RJ Ali

    J2EE/Spring/Hibernate/JSF/Mule ESB/Struts2/SAAS/AngularJS/REST/SOAP

    Pakistan - Last active: 3 days ago - Tests: 2 - Portfolio: 4

    I am having more than 8 years experience in developing web based enterprise solutions using technologies like Java, J2EE, Struts, JSF, Spring, Hibernate, Rich Faces, Prime Faces, GWT, Smart GWT. Further Android, JBPM, Performance Tuning, Query Optimization, Code Profiling, Memory Leaks and Team management. I have experience in SaaS applications and integration technologies like web services(jax-ws,jax-rs), JMS (Jboss Hornet Queue, Active MQ), Amazone AWS, Sales Force and Enterprise Service Bus (ESB) specially Mule ESB, Apache Camal, Service Mix and WS02 ESB. I have been working on web based solutions since 2005 so I have experienced the evolution of web technologies starting from web 1.0, then ajaxifying web apps and then single page Rich Internet applications using GWT, Smart GWT, Angular JS, Html5, Css3, D3, JQuery, Ext JS etc. With this much experience in web technologies I can even work as Front End Developer and I have already DONE few jobs as front end developer. What kind of work I prefer to work is the long term nature and hourly jobs. I prefer to establish long term reliable and trust worthy relations.

    $33.33 /hr
    2,273 hours
    4.90
  3. Ezekiel Baniaga

    Ezekiel Baniaga

    Ezekiel Baniaga - Software Developer

    Philippines - Last active: 5 days ago - Tests: 4 - Portfolio: 3

    With 5 years experience in various areas of Software Development. Concentrated on different open source technologies to provide clients with a low cost but high quality end results. Below are my mastered technologies and platforms: Enterprise: Java, NetBeans Platform, EJB, JPA, JAX-RS, Hibernate, JBoss Application Server, Apache HTTP Server, Tomcat, Jetty Reporting: JasperReports using iReport. Database: PostgreSQL, MySQL, Sybase, JavaDB, HSQL Software bug-tracking and management tools: Subversion, CVS, Trac, Kenai

    $13.33 /hr
    3,603 hours
    4.94
  4. Maksym G.

    Maksym G.

    Senior Java SE / Java EE / Spring developer

    Ukraine - Last active: 17 days ago - Tests: 5 - Portfolio: 1

    Senior software engineer with skills in JavaEE, Spring platform, various ORM frameworks, AWS based systems, both RDBMS and NoSQL solutions. Always willing to explore new areas of software development and accept new technical challenges. Able to design architecture of the solution and bootstrap project from scratch including infrastructure, development processes and communication workflows.

    Groups: Sun Certified Professionals

    $30.00 /hr
    3,932 hours
    4.79
  5. Resa R.

    Resa R.

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

    Indonesia - Last active: 2 days ago - Tests: 11 - Portfolio: 3

    I am a Java Developers, working as freelance Java Developer, mainly in oDesk. 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 clients requires 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 write 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. - 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.

    $27.78 /hr
    2,660 hours
    4.82
  6. Milena Ramirez Lopez

    Milena Ramirez Lopez Agency Contractor

    Expert PHP / MySQL / AJAX / HTML / CSS

    Bolivia - Last active: 3 months ago - Tests: 7 - Portfolio: 36

    In the past 9 years, I have developed many websites using PHP, Laravel, Javascript, Twitter Bootstrap, CSS, HTML, MYSQL, AJAX, Wordpress, Google Maps API, and others technologies. As a web developer I like new challenges and I can learn new technologies quickly. I am looking for new opportunities to build websites for you or your company with the highest quality. My objective is focused on helping you to build, maintain and promote your business over the world wide web.

    Groups: Bluehost Developers and Designers

    Associated with: iDevForce

    $12.00 /hr
    2,355 hours
    4.98
  7. Roman B.

    Roman B. Agency Contractor

    Java/J2EE developer

    Ukraine - Last active: 1 day ago - Tests: 12 - Portfolio: 1

    Specialist with 4 years experience in software development, mostly in web development using Java and related technologiess: Servlets, JSP, JSF, Struts, Spring, EJB2/3, JPA, Hibernate, Velocity, Quartz, Seam, Ant, Maven, DHTML, CSS, JavaScript, jQuery, JBoss AS, Tomcat. Team and goal oriented, learns capably.

    Associated with: KV4Solutions

    $33.33 /hr
    6,999 hours
    4.81
  8. Roman G. Agency Contractor

    Java (JEE) Architect / Developer

    Ukraine - Last active: 1 day ago - Tests: 4

    I've been working in IT for more than 15 years and have strong experience in software development and project management. For last 7 years I've been working as architect/team leader/developer in the Java/JEE area on applications of various levels of complexity. The stack of technologies/frameworks I have hands-on experience includes but not limited to: Java/JEE, EJB 3, JPA 2, Spring (Core/Security/Data/AMQP), Hibernate/EclipseLink, JSF/RichFaces, AJAX, Tomcat/JBoss/GlassFish, MySQL/Oracle, NoSQL REDIS/RIAK, JAXB, REST, SOAP, XML, JUnit, Maven. For last years I've been leading a team of highly skilled java developers and few java gurus seeking for challenging projects to participate in as a whole team or separate members full-time or part-time.

    Associated with: KV4Solutions

    $33.33 /hr
    8,920 hours
    4.78
  9. Timothy K.

    Timothy K.

    Java Developer.

    Kenya - Last active: 4 months ago - Tests: 13 - Portfolio: 1

    With 5 years of experience in Java, I am looking for opportunities to develop enterprise application using: 1. JAX-RS for restful web-services. 2. Jasper Reports for generating reports 3. Spring and Spring mvc 4. JSF/Primefaces 5. EJB for business logic. 6. JPA/Hibernate for ORM and database access. I also have experience in Cent OS / Ubuntu server administration.

    Groups: Corona Labs

    $22.22 /hr
    1,047 hours
    4.94