I will edit or develop a java application

Java spring webapplication for all kinds of use cases:

• REST services, acting as a data provider and transformer between your android app and bussiness data in a database (or other data sources like NoSQL, SAP, XLSX, CSV, ...),
• B2B application that summarizes, transforms and sends data to your bussiness partner at scheduled times
• Company address books
• Car booking app for your employees,
• Company workflow automatizations
• Data transofmer from one format to another, including filtering, grouping, and more
• Many more