The financial technology space is expanding. In 2018 alone, FinTech companies raised a record $39.6 billion in funding, up 120% from the previous year. Much of this funding went toward the development of new products and services. But how exactly does this FinTech product development process work? A common analogy for the product development process is operating an assembly line. Ideas go in one side and products come out the other. The shortcoming of this analogy is that it describes a very linear activity - whereas the actual product development process is fluid and iterative.