need build app in retool

My project is to build an Internal Tool using Retool. I already have an existing database, so I will not need any help with that. As for the design, I have a plan and do not need any help in that department. This app should be functional and user-friendly, so ensuring quality control is a must. I am looking for someone with experience using Retool who can deliver a well-crafted and secure application. If you are the right professional for this job, I look forward to hearing from you.