I have worked with ExtJS for the last 13 years while developing highly complex web applications. My experience includes a major application for the United Nations Office at Geneva. I’ve worked with the original “inventor” of ExtJS, Jack Slocum, and I have also provided official customer support and technical training for Sencha, Inc. For the last three years I have worked (and continue to this day
![Home - Learn from Saki](https://cdn-ak-scissors.b.st-hatena.com/image/square/7b654b512fe1a524c5b78bad077ca09e3c630f5e/height=288;version=1;width=512/https%3A%2F%2Flearnfromsaki.com%2Fwp%2Fwp-content%2Fuploads%2F2023%2F02%2Fnetwork-g5a7bd3182_1280.jpg)