I would hire someone to build a UI. While my UI works for now, I will need to build a better UI in order to answer other questions more quickly in the future; someone who has experience with Javascript would be much faster at building a functional interface than I would be.
You are paying for my consultation and for me to build out the infrastructure to answer the questions under analysis.
One of the major benefits of this is approach is that asking the same question multiple times (with different parameters) becomes significantly reduced in time, particularly because of the automated nature of the computer model.