Solana NFT Engine

We are looking for an experienced smart-contract developer to help us launch an NFT collection on the Solana blockchain. Working with Solana blockchain requires Rust language or C++: [login to view URL] All similar projects are using the Metaplex protocol, which gives an opportunity to mint NFT tokens, set up an auction, configure conditions to generate NFT tokens and their "pictures" using a library of graphic elements. And then distribute it to the Solana user wallet using configured smart-contract conditions. Website of Metaplex protocol: [login to view URL] Docs: [login to view URL] ; GitHub: [login to view URL] What I need - NFT minting engine. We need to develop a smart contract that will give an opportunity to mint an NFT item by a request from our website (click on button + confirmed payment with Solana wallet - Sollet or Phantom). So after payment user gets a token generated randomly from our graphic elements right to his wallet. Here are some examples of collections that are going to launch on Solana and use the same algorithm. [login to view URL] [login to view URL] [login to view URL] [login to view URL] [login to view URL] [login to view URL] So here is a breakdown: 1. Smart contract for minting and backend for signing 2. The mechanism to generate 9k images from our graphic elements library with unique names and traits according to our rarity table. 3. Upload them to IPFS 4. a Frontend part with a wallet connection (Sollet and Phantom), a countdown to the launch date, opportunity to smoothly mint an NFT by clicking MINT button which will appear at the exact configured date/time. - create the nft and embed the specific metadata, by clicking a button on the minting website - integrate with the Metaplex standard to code in royalties and allow the nft collection to be trade-able on a Metaplex compatible marketplace - allow minting to take pace from the website -allow buyers to mint a variable number in a single transaction (e.g. can mint 1-5)