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Ext JS Upwork freelancers typically receive a client rating of 4.62.

Last updated: October 1, 2015
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Anurag Chaturvedi

Ext-JS Developer

India - Tests: 1

Hi, I'm developing applications on ExtJS 3.4 - ExtJS 4.2.2. My total extjs experience in 4.5+ years & total IT experience is 5+years. I have also work on Asp.Net/Web Application C# version 4.0 With MVC model. I am using .Net Framework Version 3.5 / 4.0 & database SQL Server 2008 R2.

95% Job Success
$10.00 /hr
358 hours

Alexey Lazarev

Alexey Lazarev

Sencha Ext JS Expert

Russia - Tests: 2 - Portfolio: 4

Full-time freelancer. The last 5 years of my career I have worked with products of Sencha (Sencha Cmd, Sencha Touch 2.3, Sencha Charts, Ext JS 3.4, Ext JS 4.2, Ext JS 5.x). I was fortunate to work with highly diversified range of tasks. The list includes: - upgrades of applications (Ext JS 3.4 -> Ext JS 4.x -> Ext JS 5.x), - mobile application development (Android, iOS, Sencha Touch), - using Sencha Charts, - integration of third-party libraries into Sencha products (OpenLayers, Highcharts, jQuery, Google Maps, Yandex Maps, Telerik), - code testing in Selenium, Siesta, Sinon, YUI 2, - refactoring, - fully project reimplementation (rewrite a project from scratch, rewrite a project from JS to CoffeeScript), - consultations, - and much more. I work in a team as good as one. I have success experience of managing a team of 7 developers. I am a great UX architector, thanks to the long list of successful projects and deep knowledge of the subject area. Most of my projects was big (up to 30 people on the project) and it taught me discipline, scheduling of work time and reporting a progress. First of all I am interested in large projects and in the position of a leading developer, so I can use the experience gained and to feel comfortable for a long time. Javascript is one of the few languages that gives too much room for creativity, a space to express their thoughts. And unfortunately too easy to go far from the correct direction, from the decision to be easy to understand for other developers. That is why I firmly believe in the need to using hard coding standards and official recommendations. It's not important that you are using for your projects - PHP, RubyOnRails, C#, Ajax, XML, JSON, bla-bla... I just tell you - I'll do it! all right! I know well Git, worked with Subversion, used many task trackers: Jira, Redmine, YouTrack, and others, can't remember all.. Also my expirience included development of a mobile apps using Java for Android. If you need in one of the best, you're welcome!

100% Job Success
$49.99 /hr
3,185 hours

Fabio Junior Policeno

Fabio Junior Policeno Agency Contractor

Sencha Ext JS Expert

Brazil - Tests: 5 - Portfolio: 6

Since 2007 have been working on web projects, developing web sites and systems using Ext JS, Sencha Touch, Yii (PHP) and My SQL. Developed applications such as micro-enterprise management system, system for church management, dashboards and CRM (Meta data) dynamic, mobile applications with Sencha Touch, among others. I take the Brazilian forum Ext JS assisting members in their questions, making me moderator and today I am as master in community. In 2011 I founded the company Policeno Sistemas with various products and providing services with labor in analysis and development as well as consulting and training. My specialty is strong with Ext JS and Sencha Touch. I also have a focus on code quality and system architecture, seeking best practices and performance. Working always with OOP. I have created the Poligen (Automatic generator of systems) to high productivity.

Associated with: Policeno Sistemas

95% Job Success
$45.00 /hr
1,471 hours

Mohit Sharma

Mohit Sharma Agency Contractor

Full Stack Developer:-Angular JS, NodeJS, Ext JS, Mongo DB, DC.JS

India - Tests: 7 - Portfolio: 6

Over the last 4 years, I have developed a wide range of websites using Angular JS, Laravel, NodeJS, Ext JS including sites for startup companies and small businesses. My core competency lies in complete end-end management of a new website development project, and I am seeking opportunities to build websites from the ground up for you or your business. I also have some experience in the following areas: PHP, Ajax, Joomla, Drupal, All major Custom Frameworks Laravel, CodeIgniter, Yii, CakePHP etc. I can deliver on time solutions and communicate throughout the job in order to avoid the miscommunication and deliver the job effectively.

Associated with: Pink Hand Technologies Pvt. Ltd.

$15.56 /hr
2,211 hours

Muhammad Rehan Abbasi

Muhammad Rehan Abbasi

Free Lance Application Developer

Pakistan - Tests: 4 - Portfolio: 4

I am Software Developer by profession carrying an Engineering Degree in Computer Software. I am very determined and eager to prove my skills and competencies. I carry a good experience of over 3 years in software application development using a wide variety of tools. My core competencies include C#, C++, Java, ExtJs and Java Script programming languages. I am also quite comfortable with database tools & technologies such as SQL Server, MySQL and Oracle.

100% Job Success
$7.78 /hr
492 hours

Minh N.

Minh N.

Experienced Java Developer

Vietnam - Tests: 2

- Over twelve years' experience in software development using JAVA. - Strong experience in the analysis, design, development and implementation of web applications using JAVA frameworks. - Strong experience in databases: MySQL, PostgreSQL and Oracle. - Strong skills included Java/JSP/Servlet, JavaScript/HTML/CSS, GWT, Spring, Hibernate, Tapestry, Struts. - Good knowledge in Android programming. - Good knowledge in other programming languages such as C/C++, C#, PHP and Erlang. - Good English in communication skills. - Worked as a team leader in both independent and inter-dependent environments.

$20.00 /hr
41 hours

Sergey Andreev

Sergey Andreev Agency Contractor

Web & Software development

Russia - Tests: 11 - Portfolio: 6

8+ years in software development Web & Desktop applications Backend & Frontend applications Experienced in JavaScript and most popular frameworks (jQuery, ExtJS, OpenLayers) 5 years experience in .Net Web development (ASP.NET MVC, WCF, WCF REST via C#) 5 years experience in .Net Desktop development (WinForm & WPF via C#) I would be happy to work with you on some interesting projects.

Associated with: Smart SQ-O, Urisco Agency

100% Job Success
$30.00 /hr
3,246 hours

Dmytro S.

Dmytro S.

Web/Software Developer - Java/Flex/Flash/3D/HTML/CSS/JS/Unity3D

Ukraine - Tests: 8 - Portfolio: 2

Over the last 8 years, I have developed a range of websites using HMTL, JavaScript, Tibco GI, Flex, Flash, Unity3D, Java(JSP, Servlets, Struts, etc.) and MySQL, MS SQL Server, Oracle including sites for startup companies, small businesses and very large CRM applications for bank with world name. My core competency lies in complete end-end management of a new website development project, and I am seeking opportunities to build websites from the ground up for you or your business.I also have good experience in the following areas: 3D development, OOP, SQL, Ajax and software design and testing.

$38.89 /hr
2,009 hours

Adriana G.

Adriana G.

Professional sofware developer

Romania - Tests: 11 - Portfolio: 1

I am a professional software developer with over 10 years of experience in analysing, designing and developing enterprise applications. The developer's moral responsibility should not end once the program is deployed and the project is formally accepted. My measurement of success takes into account not only how well explicit requirements are implemented, but the degree to which the architecture is designed to accommodate new features, allowing the project to grow. Skills and competencies: - Programming languages and technologies: C/C++, Java, SQL, Php, Java Spring, Spring Web Flow, Hibernate, JSP, Java Script (Ext JS, Secha Touch, JQuery, Ajax) – Markup Languages: HTML/DHTML, XML, XSL – Modeling languages: UML/OCL – Database management systems: PostgreSQL , PostGIS (stored procedures, triggers,database optimization, load balancing), MySql – Operating Systems: Linux, Windows, MacOS – Other: Latex, Metapost

100% Job Success
$27.78 /hr
364 hours