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, 9 JPA projects are completed every quarter on Upwork.

9

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 4.60.

4.60
Last updated: July 1, 2015
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  1. Vyacheslav Soldatov

    Vyacheslav Soldatov

    Senior Java developer

    Russia - Last active: 1 day ago - Tests: 1

    Java developer for 14 years. I have developed a web applications using Java, JSP, Servlets, DHTML, Java EE, JDBC and standalone Java applications. My competency lies in development of full end-end products. I'm seekin opportinities for build java based web applications, standalone Java applications or Eclipse plugins. Also have experience in the following areas: GWT, Swing, AWT, SQL, OOP, JUnit, OSGi, Maven, Ant, Git, SVN, CVS and software design and testing.

    $30.00 /hr
    3,276 hours
    4.88
  2. Damir Sultanbekov

    Damir Sultanbekov

    Java EE/Ruby on Rails/SQL Developer

    Russia - Last active: 17 hours ago - Tests: 7

    Highly motivated developer with more than 11 years of experience. I always try to perform my tasks as good as possible. Like work in team, but also have no problems working alone. 8 years in Java & J2EE field (EJB, JPA, JSP/Servlets, Portlets, WebServices, Spring Framework, Grails, etc.) 5 years in position of TeamLead/Architect. In latest months learned Ruby/Rails. Experienced in web development using HTML/CSS/Javascript: Jquery, Dojo Toolkit, Bootstrap Have no problems with all aspects of database programming, worked with many database systems, including Oracle, IBM DB2, Postgresql, MS SQL Server and others. In past worked with Delphi, C#/Mono, C/C++, Mumps Worked on large-scale projects for russian goverment and commercial institutions such as Sberbank (largest bank in Russia), Russian Federal Agency of Communications, Russian Pension Fund and others. You can read more about my previous positions in my linkedin profile: https://www.linkedin.com/profile/view?id=183664212&trk=spm_pic

    $35.00 /hr
    361 hours
    5.00
  3. Alexey B.

    Alexey B. Agency Contractor

    Senior Java Developer / Team lead: Java/J2EE

    Ukraine - Last active: 17 hours ago - 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

    $33.33 /hr
    15,756 hours
    4.86
  4. Dzmitry Sapezhka

    Dzmitry Sapezhka

    liferay, java developer

    Belarus - Last active: 1 month ago - Tests: 1

    I'm involved in software development during last 9 years. I have good abilities and I'm looking for Java and Android projects. Skills: Java (Spring, Spring Web MVC, Lucene, Compass, Struts, GWT, JPA, Hibernate, Toplink, JAXP, Castor, Ant, Maven), Java EE (EJB, JSP, Servlets, JMS), RDBMS (PostgreSQL,MySQL, Oracle), (X)HTML/CSS/Javascript, XML/XSLT/XPath, PHP, GNU/Linux

    $33.33 /hr
    24 hours
    4.41
  5. Arnab Karmakar

    Arnab Karmakar

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

    India - Last active: 5 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
  6. Jatin Sutaria

    Jatin Sutaria

    Certified Java Architect and Developer

    India - Last active: 06/21/2014 - Tests: 3

    My name is Jatin Sutaria and I am a hard-core Technology Architect with 15+ years of relevant experience. I run a consultancy firm (V2 Technologies) - http://thev2technologies.com/ with an office in Mumbai and work as a consultant with organizations having highly technical architectural and design needs in following areas - 1. Architecting and Building Complex scalable systems from scratch using NoSQL - Graph databases as Neo4j, Document stores as MongoDB 2. Designing and Deploying Complex Search applications using Solr, Lucene and Hibernate Search 3. Setting up clusters of applications, Solr Servers- using Zookeeper in production and articulate the Operation processes and tools required for post-prod support 4. Building highly transaction systems with Spring, JMS-Messaging, Hibernate, Juice, EclipseToplink, and other ORM tools with Caching (replicated) 5. Use and Integrate Rule based Engines (Drools), BPM - JBPM, Apache Camel in our applications 6. Use advanced UI frameworks as VAADIN\GWT, HTML5, Bootstrap, JSF to speed up UI development 7. Experienced as SOA/Enterprise Architect with international clients 8. Handling Nonfunctional requirements - With objectification and demonstartion through POC 9. Peformance Engineering 10. Much More in my CV I work in following modes 1. Work at Client premises for project duration 2. Work at my premises and visit Client's on need basis. My website talks about my clients and the kind of work I do. Please feel free to call me to discuss the possibility of having a mutually beneficial relationship.

    $30.00 /hr
    17 hours
    5.00
  7. Giovanni luca S.

    Giovanni luca S.

    Mr

    United Kingdom - Last active: 15 days ago - Tests: 2

    Senior Software literate specialized in the Java technology: Desktop, Enterprise and Mobile (J2SE, J2EE and J2ME). Computer Science graduated with good problem solving working following the principles of the SCRUM Agile Methodology.

    $15.54 /hr
    1,063 hours
    5.00
  8. Paul Durcek

    Paul Durcek Agency Contractor

    Founder/CEO - Enterprise Java Developer

    Canada - Last active: 5 months ago - Tests: 2

    I am a Java/J2EE professional with 10+ years of experience in architecture, team leadership, design, development, and testing. I take my work seriously and am not afraid to be challenged. I meet deadlines and ensure customer satisfaction and let my work speak for itself. I have experience with: Java/J2EE, JPA, JMX, NoSQL, Storm, Cassandra, Redis, ANTLR, Big Data, Spring, Spring 3 MVC, Spring Data, Hibernate, SOAP/REST WS, Struts, XML, XSLT, Oracle, MySQL, HTML, CSS, Grails, VoIP, Java Enterprise System, Asterisk, astguiclient. I love learning new things and enjoy technology. Being a highly motivated and goal achieving individual, I am always looking for my next challenge. Among my non-technical skills, I have experience as a Sr. Team Lead overseeing issues related to multiple projects and ongoing development by multiple on-shore/off-shore teams.

    Associated with: RadX Software Labs

    $72.22 /hr
    355 hours
    5.00
  9. Dzmitry K.

    Dzmitry K.

    Senior Java/Android Developer

    Belarus - Last active: 12 days ago - Tests: 5 - Portfolio: 1

    I have 4 years of experience in both web and mobile software development. During that time I worked in bussiness domains of INSURANCE, ADVERTISMENT, SOCIAL NETWORKS, SALE SERVICES and PROGRAMMING TOOLS/FRAMEWORKS development. Good knowledge of English and Russian language allows me to maintain communication in your preferred language. At this moment I specialized and interested in work under distributed services architecture and complex(full stack) solutions which can include server environment configuration, backend application development, web and mobile clients development. I have been working with Java, but it has never been the only stack I use professionally. WEB BACKGROUND I am working as Java Web Developer for past 3 years. During this time I have worked with such areas as: - RESTfull web services development - SOAP web services development - Web sites with MVC architecture development - Data processing - Single Page Application development In my work i use libraries/technologies: - Spring - Hibernate - Jpa - Mysql - PostgreSql - MongoDb - Gradle - MongoDb - Angular.js - Gulp - Grunt etc. MOBILE BACKGROUND I am working as Android developer for past 4 years and always follow the modern trends in the world of Android ecosystem. During this time I have worked with such areas as: - Custom widgets - Live wallpapers - Memory management - Graphics transformation - Custom views building - Close interaction with social networks(Twitter, Facebook, Vk, YouTube, Google+, Instagram etc.) - In-app purchase and PayPal integration - Close integration with any servers using various protocols(ftp, http) and standards(SOAP, RESTful) - Android Wear application development - Multiplatform mobile applications(Apache Cordova, PhoneGap) In my work i used next libraries/technologies: - AndroidAnnotation - Volley - Dagger - Google Play Services - OrmLite etc. Worked under integration with following 3d part services: - Flurry - Crittercism - Parse - Crashlytics - Google Map This background provides good knowledge of Android UI patterns and material design guidelines that I can apply in your project. SERVER CONFIGURATION BACKGROUND I have used Ubuntu as my working OS in last 3 years and have experience in configuration Ubuntu as backend environment along with other software: - Apache Tomcat - Jboss WildFly - MongoDb - Mysql - PostgreSql - RabbitMq - ActiveMq - ELK stack I have experience with container platform Docker and configuration management utilities Puppet, Vagrant. TEAM MANAGEMENT BACKGROUND I am familiar with Agile methodology itself and have good time management skills. Do you want to know more about me? Feel free to contact me. Best regards, Dmitry.

    $25.00 /hr
    0 hours
    5.00
  10. Syed A.

    Syed A.

    Java/J2EE/PHP + iOS - (Server Side + Mobile Apps)

    Pakistan - Last active: 12/01/2013 - Tests: 12 - Portfolio: 4

    I have been working as Software Engineer at private company, i have worked on many professional projects during last 3 years, technologies includes, Java, J2EE, Struts2, Springs, Hibernate, JPA, JDBC, Servlets/JSP, CodeIgniter, CakePHP, iPhone Development, Java/C# Desktop Applications, Front-End and Back-end development and have extensive knowledge of C/C++ and object oriented programming. Skills: Web Development: Java Enterprise/J2EE, Struts2, Springs, PHP and its frameworks, Ajax, JavaScript, JQuery, Jquery Mobile, CSS, HTML, NodeJS, JSON, MongoDB Desktop: Java, C# and C/C++ Mobile: iPhone Development, Java, Objective-C, iOS SDK, Cocoa and foundation frame Database: MySQL, MSSQL, ORM, Nodejs, MongoDB, SQLite, CoreData

    $11.11 /hr
    90 hours
    4.79