Build me a Website to post classifieds to sale pets online.it should be almost with features of olx,quikr . Need apps in android and apple also

Hello, I'm Mohammad Owais, I hope you're doing well, I've very carefully reviewed your project detail as you provided in the given description and I'm very confident that I’ll able to develop your project according to your requirement as I’ve 8+ years of experience in Mobile app development. I can immediately begin the work and provided a fast turnaround of performance productions. Working On: ASP.Net, Linux Administration, Network Configuration, Network Design, VMware, SMTP Server, Routing and Networking, Mobile Apps, Web Apps, Domain, and Hosting. Platform: Android, React-native, Flutter, Ionic, IOS For Front-end: HTML, CSS, HTML 5, JavaScript and XML. For Back-end: Java, PHP, Swift, JavaScript and Objective C. Database: MySQL, SQLite, Firebase, Realm DB. Design: Software architecture, Graphics Design, Web Design, Adobe XD, Illustrator, and Adobe Photoshop. Please chat with me so we can discuss further details. Thank you so much.