Our company is in the diamond/jewellery industry and looking for full stack programmer for internal system database upgrade & enhancement. Internal web-based database system upgrade - Enhance existing database with new CRM functions (new table structure & relations) (1) Able to invoice client from system & provide historical client records query (2) Able to input purchase records & provide historical supplier records query - Enhance web-based UI interface for usage - Upgrade database existing: MariaDB5/php6 upgrade to MariaDB10/php8 or any other web-based database system that would allow conversion & easy setup.