App developer needed for an MVP

We are looking to develop an mvp similar to:
https://lifesum.com

General information for the app: App is in self-self-improvement

This will be an mvp.. so a small project.

Kind of development: New app from scratch

Payment: We will pay a deposit and the increase the deposit 50% of the job is complete and then release full payment in completion. No variation will be made.

1. We have sketches and designs on what we would like it to look like.
2. The mvp will be controlled and focuses on the key areas of:

a) choosing height and weight
b)it then calculates nutrition needed should you wish to "tone" or bulk
c) Tell users Time to goal
d) Give them a food schedule
e) With a touch of one button crawl a supermarkets site and get an order online delivery

This crawl should be a pre controlled visit as we will know that groceries people will visit for.



Description of requirements/features: The important features here are the ability to calculate 'time to goal' from inputting height and weight, and the convenience of getting a grocery list and ability if purchasing food schedule.

Extra notes The initial deposit needs to be £290