Job Description

Responsibilities
\ •\ Integrate Wallet Adapter (Phantom and Solflare) into the React frontend.
\ •\ Implement wallet verification by message signature.
\ •\ Minute NFT collections with Metaplex Core and manage metadata in Arweave or IPFS.
\ •\ Integrate SPL tokens (USDC devnet, USDT mainnet) for payments.
\ •\ Build on-chain indexer (Helius or similar) to confirm payments and deliver NFTs automatically.
\ •\ Synchronize blockchain state with MongoDB.
\ •\ Implement distribution of yields in USDT to holders in batches, with cut-off date snapshot.
\ •\ Adjust FastAPI backend and React frontend as required.
\ •\ Document everything in Spanish.",