An Excel or Google Sheet like system that works on server only has no speed limits

Hi, I am an experienced java proffessional expert in core java j2ee spring mvc hibernate orm webservices , mysql , postgresql. I can do this. Pls contact for further progress.

i am a java SE ,EE developer these days i find extra time so i am here freelancing , i assure you once u work with me and then afterwards you will always look for me WHY u should give me the project ?| because i have worked on Google Sheets api , excel sheets api , i use Apache poi to do excel work , private message me to discuss more

Expertise in Java, Javascript, MySQL I have understood your project description. We can share some doubts with each other through the messages. Having a successful 11 years of experience in several technologies as .NET, Android, Html, Html5, Cakephp, Laravel Yii, CSS, CSS3, Sql, Javascript, Jquery, MVC, Symphony, Bootstrap, Codeignitor, Wordpress, I give Quality of work very high and confidential. Ping me when you will online.