construction company management software

Hello. I am a civil engineer who owns a construction company that provides contracting services. I want to track and manage all the processes related to my work through an application. For this reason, while doing research, I came across an artificial intelligence tool called Replit. It converts prompts into code. I explained the program I had in mind and it gave a good result. I have no knowledge about software, so I want to leave the rest to expert hands to create a professional program. I want the application I want to write to work on tablets and phones