Firebase with Kotlin. Help!

Dear Redditors, i am in a process of making an app for my company. App will have a database where our clients will be stored, every client has a different types of machines which will be maintained. It will look similiar to this:

– Service guy logs in, enters customers name, selects machine which has its own QR code, serial number etc.

– After service is finished he will type: what he did on the machine, which parts were repaired, take a digital signature of customer so we can have proof that the machine is fixed, etc.

Not to bore you to much. My question is: Should i be making firebase first than code the app with pull requests or make UI and basic functionality first than modify it when database is finished ?

I am relatively new to programming, so i wanna do this nice to fill my resume and pursuit career in programming.

submitted by /u/rokr25
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