Process design is a technique that allows you to organize and run things more efficiently, no matter whether it’s a business, software or a team. Most of the commercially available software nowadays has been created using process design methods. This is why when implementing new software you will probably need to adjust many of your new processes to the logic that was used for building that software.
If you are unsure how to deal with process design, you may decide to work with a Design Analysts or hire a software company to advise you on this topic.
If you need to get inspiration on this topic, check out this great article by Harvard Business Review.