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J2SE Upwork freelancers typically receive a client rating of 4.60.

Last updated: October 1, 2015

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Arnab Karmakar

Arnab Karmakar

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

India - 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

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.

100% Job Success
$80.00 /hr
1,179 hours

Yuriy K.

Yuriy K.

Senior Java / J2EE / Server / Web Services / Cloud / NoSQL developer

Ukraine - Tests: 7 - Portfolio: 4

Perfect English, 6+ years of software development experience, professional attitude, and strong work ethics. I work hard to implement the best solution for you, and produce neat code in a timely manner. * Scalable server apps * Amazon Web Services (AWS, RDS, S3, SimpleDB, Elastic Beanstalk, EC2, ElastiCache) * Database Programming * Web Services (REST & SOAP) * Cloud * MongoDB * XML Processing * Hibernate * JPA * NoSQL * MySQL * GlassFish * Tomcat * EJB * JMS * JUnit * Memcached *

Groups: Application Developers Alliance

58% Job Success
$27.00 /hr
1,122 hours

Parth Bhagat

Java / J2EE / Groovy & Grails / Android Developer

India - Tests: 1

Since 2009 I am involved with software development life cycle. I am having experience of working with different Java/JEE technologies and frameworks. I've got experience with both web based and desktop based application development. I am having experience of working with Groovy & Grails, Spring MVC, Apache Struts, SWT, GWT, jQuery, Jasper Report, AJAX, ehCache, MySQL, Oracle, SQL Server, PostgreSql, OOCP. I am looking for opportunity to develop application which contribute to strengthen your business.

$16.67 /hr
2,802 hours

Nikolai Kislitsin

Nikolai Kislitsin

Java/JavaScript/AngularJS/GAE developer

Russia - Tests: 5 - Portfolio: 12

Experienced Java, JavaScript, Google App Engine developer. Over 6 years of experience in developing Web and Enterprise Applications. Over 6 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

88% Job Success
$60.00 /hr
1,608 hours

Sittie aleeya N.

Sittie aleeya N.

JAVA, PHP, Web Design, Quality Assurance, Photo Research, Photo Edit

Philippines - Tests: 3 - Portfolio: 18

To work in a recognized company where I can utilize my working ability as well as my interpersonal skills, to develop my IT skills and to help improve the company's success. Experience in application development using Java, HTML and Hibernate, UML. Knowledge of web applications architecture and Large Desktop applications. Applying Quality Assurance in every applications. Well versed in solving issues regarding Java application deployment on different platforms. Working with PostgreSQL and MySQL Databases. Lead a team of developers for development of assigned tasks according to specifications. Developed Web Applications using PHP, MySQL & HTML. Also have experience in developing Android Applications.

100% Job Success
$8.89 /hr
2,459 hours

ferdz talz

ferdz talz Agency Contractor


Philippines - Tests: 10 - Portfolio: 3

I'm a Software Development Engineer in my profession and having 8 years of experience in IT field. Looking for a challenging position that allows me to work as part of the team or work independently. SKILLS: Operating System: Windows, Unix & Linux Languages: C#, VB.NET, LINQ, C++, VB 6.0, ASP.NET 2.0, MS access, Java (J2SE, J2EE) Scripting Languages: PHP, Perl, HTML, XML, CXML, DHTML, CSS, JavaScript, ActionScript, VBscript, Ajax Others: ADO.NET (e.g. Odbc/Oledb/SQL/Oracle etc.), Hibernate/NHibernate, DAO, MVC, Web Forms, Ajax, Silverlight, WPF, Crystal Report, PivotViewer, Apache Tomcat/Ant, IIS etc. Database Technology: MS Access 2003/2005, MS SQL Server 2005/2008, MySQL In-depth knowledge of Software development life cycle and reporting skills. Exceptionally good communication, presentation and interpersonal skills.


100% Job Success
$13.33 /hr
4,541 hours

Sunil Sharma

Sunil Sharma Agency Contractor

CEO at HawksCode Softwares Pvt. Ltd

India - Tests: 4 - Portfolio: 13

Highly-skilled, Talented Web & Mobile Application developer with more than a decades of experience in various web application development languages. Excellent skills and experiences in PHP, MySQL, HTML5, CSS3, jQuery, Facebook App, e-Commerce, Payment Integration and Responsive Design. Especially PHP,CodeIgniter, Wordpress, Magento, OpenCart eCommerce, Twitter BootStrap, Angular.js, node.js are my expert and I am very confident and highly-skilled with those. My Working Area:- ★ Web & Mobile Application Development ★ ERP Implementation ★ Content Management Portals ★ Human Resource Management ★ Student Information/Management System ★ API Integration ★ Android Applications ★ Blog Design and Integration ★ Community Script ★ CRM ★ Data Processing ★ Dating Website ★ Drupal and Joomla Customization ★ Dynamic Application ★ Dynamic Website ★ E-Commerce ★ File sharing system ★ Framework oriented development ★ Freelancing Website ★ Game websites ★ Graphic Design ★ iPhone Applications ★ Link Building ★ Magento Customization ★ Medical Based Software ★ Mobile Applications ( Android and iOS Mobile Applications ) ★ Os-commerce Specialist ★ PPC- Management ★ Real Estate Websites ★ Reservation systems ★ SEO services ★ Share marketing website ★ SMS Applications ★ Social Networking Application ★ Social Media Optimization ★ Software Development ★ Static Website ★ Video Streaming ★ Website Designing ★ Windows Mobile Application ★ Wordpress theme ★ XHTML/HTML My Products - EasyShiksha.Com - A Way of Simple Learning ! EasyShiksha.Com is an endeavour of HawksCode softwares pvt. ltd. started in 2012 with an aim to explore the future of education. EasyShiksha provides an integrated platform for benefit of educational entities like students, faculty, universities and other educational institutes.EasyShiksha acts like an intermediary for these educational entities. HawksCool - ERP : HawksCool is a Multipurpose School Management Software -ERP which is used by educational institutions worldwide for all administration, management and learning related activities. Use HawksCool management information system to manage students, teachers, employees, courses and all the system and process related to running your institute efficiently. FoodNDeals.Com -- We feel proud to be a part of FND. foodndeals is something that always give you but don’t want any thing in return,except your happiness and joy. Not supposing just a website,we are intentioned to create a big fooooooood platform for fooooodies.So get ready for a journey from buddy to fooooody. MusicManiya - MyNewsHouse - On-line health counsulting, Online Appointment system over Duty/Home practice, and worldwide Pramotion for Speciality and Services. An Social worldwide networks between HOSPITALS/DOCTORS/PHARMA Companies . Mr. Sunil (Founder & CEO) got 1st rank in the whole World Technical Exam conducted by Tony & Joe's,USA . Got Highest package in the History of Rajasthan as well as in North India also as a Sr.Software Engineer from USA Company with 69 Lacs + Accommodation + Feeding + Transportation + 5% Entertainment + TA + DA after Tax. You can read news publish in the all the News Papers in the India and also live broadcast on TV & Radio FM --- (4th July,2012 in Danik Bhaskar) RED FM 93.5 - 8 July,2012 Timing 2:30 to 3:30 PM with RJ Ravindra ★ Founder's Linkedin Profile :®/24/681/5a3/ We are looking forward to hearing from your side. Thanks & Regards Sunil Sharma

Associated with: HawksCode Softwares Pvt. Ltd, HawksCode

93% Job Success
$15.00 /hr
2,494 hours

Minakshi B.

Minakshi B. Agency Contractor

Lead Mobile Expert RockStar, Specialization in iOS7+iOS8+Android

India - Tests: 9 - Portfolio: 11

I am a passionate mobile developer working with Xcode, Objective-C, UIKit and Core Data on a daily basis. Full cycle of iOS app development, architecture design, issues fixing, updating existing apps, submitting to AppStore and support. I developed various iOS apps (see some in my Portfolio): - Photo editing and photo sharing apps - Restaurant Apps (Food ordering and delivery portal) - Social Media Apps - Cab booking Apps - Quiz Apps - Real Estate Apps Please contact me if you are seeking quality, work reliability and time assurance in a cost effective manner. My skills and experiences are following: - iOS (iPhone/iPad) and Android Application Development - Social Media Applications like Facebook, Twitter - Cloud server deployment - Location Based Applications - Google Map Service - Push Notification by using APNS - MySQL, SQLite, HTML5, PHP - Web Design (HTML4/5, JavaScript, PHP5) - Web Service - Subversion, Git, Bitbucket -Advertisement (iAds, Adwhirl, Admob, Revmob, Chartboost, Flurry, Localytics)

Associated with: Krishna Innovative Software Pvt. Ltd

98% Job Success
$16.00 /hr
1,887 hours