Have 3 and half years experience in Odoo version from above 9.0 in Sales, Purchase, Accounting, Inventory, POS, E-Commerce, Fleet, HR module and have technical knowledge as well in other modules
Have build websites in ReactJS which is pure responsive in any device and is progressive web app
Have done many customizations in the above module
Have done many customizations in reporting in the above version of odoo
Have integrated payment gateway in odoo ecommerce website as well
Have deployed many Odoo project in Amazon AWS EC2, Google cloud platform, Digital Ocean
Have done migrations of many of the module in every almost version in ODOO
Is a full time freelancer and have a team which includes designer as well so can do any type of customization in odoo
Have already done this kind of work
have a calendar widget , I can show you as well
I have done this kind of work before in pos, website as well!