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Google Web Toolkit Upwork freelancers typically receive a client rating of 4.78.

Last updated: October 1, 2015

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Andrew S. Agency Contractor

Web developer (J2EE, Flex, Python)

Ukraine - Tests: 4 - Portfolio: 9

4+ years xp in development of web-apps, complex sites and services that require scalability and conformation to the most current web standarts. You are welcome to use my strong skills in (D/X)HTML, CSS Layer 1-3, JavaScript/Ajax, XML/JSON, Python, Java EE with modern frameworks and different database engines such as MySQL, PostgreSQL, Oracle for developing featured web-2.0 websites as well as multitier enterprise-level web- applications. In my developing practice I use modern MVC/ORM/Ajax frameworks (such as jQuery, prototype-js, Spring, Struts, JSF, Hibernate, Tiles, etc. - take a look at the rest of my profile for details) in combination with strong OOP, design patterns, unittesting. That's why you'll get the product built using the best programming practices instead of "inventing the wheel". Over the last years I was working in relatively big outsourcing company. So it's usual for me to be envolved in a full development cycle of big web- applications, communicate with customers, have business trips to other countries and participate in remote teams.

Associated with: Streamfront Software, Team Technologies LLC

$25.00 /hr
357 hours

Riyaz Bhanvadia

Riyaz Bhanvadia

UI Consultant

India - Tests: 2 - Portfolio: 1

In past one year i had completed two project for UI build and also functionality level. Both project are done for US based client. I have experience in effective UI design with responsive stuff, also i can use java-script like backbone,jquery and other scripting language. I can use css and also able to use Less Css effectively for design.

$3.00 /hr
0 hours

Illya Prykhodko

Illya Prykhodko Agency Contractor

Expert Server side developer with J2EE, Spring, JPA/Hibernate exp.

Ukraine - Tests: 3

Overall 13 years of work experience with focus on financial software development. Expertise in Java, J2EE, JavaScript, Oracle, Linux, J2EE application servers and Client-Server application development. Reliable and self-motivated team member. Skilled in team leading, multi-tasking and collaboration with customers. Specialties: - OOP & OOD, Design patterns - Java SE/EE - Spring stack (Core, Security, WS, Integration, Batch, MVC) - EJB, JPA/Hibernate - Servlets/JSP, JSTL, JSF, GWT, XML/XSLT, Freemarker, AngularJS, Bootstrap - Oracle, MySQL, MS SQL, SQLite - JBoss/WebSphere/WebLogic/Tomcat, RabbitMQ, ZooKeeper, MongoDB

Associated with: dFusion Tech, Inc.

$27.78 /hr
0 hours

Dhaval S.

Dhaval S. Agency Contractor

Android,iOS native/hybrid apps, javascript/cordova/parse

India - Tests: 9 - Portfolio: 15

Developed native and hybrid apps on Android and iOS. Please visit to know more. Also have developed in java, objective-C, GWT, python, django, jquery development on Linux, Google App Engine,android and iOS platform. I have developed applications in extjs/sencha touch. I have also done workflow automation using Google Apps Scripts in Google Spreadsheets for multi-location distribution and aggregation of reports.I also have extensive IT experience in delivering and executing IT based solutions and projects for over 16 years on multiple technologies and platform for global clients.

Groups: Android

Associated with: greenwalk

83% Job Success
$33.99 /hr
2,441 hours

Pedro Tavares

Pedro Tavares

Mobile Cloud Developer and Writer | Java | GWT | Spring

Ireland - Tests: 2 - Portfolio: 1

Pedro is a Java/J2EE/Java EE Consultant and end-to-end Developer and Architect with over 18 years experience, in sectors such as Healthcare, Telecoms, Banking/Payments and now eEducation / eLearning / eTesting Pedro is a Master in Java, GWT and Expert in Spring as tested by Pedro has experience across the full Software Development Life Cycle (SDLC), being an enthusiast of Lightweight/POJOs design, Agile Methodologies, SCRUM and Test Driven Development (TDD) but still loves his UI/UX Pedro is also a professional networking catalyst, founder and manager of the "JAVA Interview Questions"​ group, 56,000+ members! He has now ventured into the authoring world with a range of technical books on Java and SQL, showcased on

$15.00 /hr
7 hours

Duminda Hettiarachchi

Duminda Hettiarachchi

Experienced Java Developer and Online Java Trainer

Sri Lanka - Tests: 1 - Portfolio: 3

Significant 7 years experienced in Java Software, Web Development & Lecturing. Qualified & Experienced in Core Java, Java EE, Android, and Java Front & Back end frameworks, reporting. I am challenged to achieve company goals and provide maximum dedicated service for produce high quality product. * Web/Software Development – More than three years experienced in Project Development using Java EE/ Java SE platform, Front and Back end Frameworks. * IT Lecturing & Coordination – More than Five years experienced in IT lecturing related to Java technologies and other IT technologies. * Marketing – Two years experienced in Marketing field and promoting the products.

$3.00 /hr
0 hours

HummingBird Park

HummingBird Park

Senior Software Developer

South Korea

- B.S. in Computer Science and Engineering. - More than 8 years experience in SW design and implementation. - Designed/Implemented CIM/FA/MES system for semi-conductor manufacturing environment. - Implemented real time based multi-thread application server and client. - Design/Implemented eclipse plug-in which makes user to draw their business logic by themselves for specific domain. - Skills Java Programming(Proficient), TCP/IP Socket Programming(Proficient), SWT(Proficient) , Eclipse PDE/GEF(Intermediate), GWT/SmartGWT(Intermediate), Spring(Intermediate), Struts1(Proficient), OOP(Proficient), Agile/TDD(Intermediate), SECS/GEM - Semi Equipment Communication Standard /Generic Equipment Model (Proficient), RESTful Web Service(Intermediate), Netty(Intermediate), Hadoop(Beginner), AngularJS(Intermediate)

$55.56 /hr
0 hours

Javier Andres Mena Zapata

Javier Andres Mena Zapata Agency Contractor

GWT Java Spring Programmer

Colombia - Tests: 9

I've been programming since I was 8. I was considered in the top 5 professionals of my country in 2005.Since I graduate from the university, I've been working as professor at local universities, and I've been working in my own company, making software products from the clients perspective, with excelent quality, including client approval and complying with the stimated times..I've worked with several languages and technologies (sql, postgis, java, c++, php, gwt, spring, etc.) but they are not as important as the concepts are. I have very solid foundations on programming, and it's easy to me to adapt new technologies to the current trends and needs.

Associated with: BGX

$20.00 /hr
7,108 hours