I'm a senior full-stack developer from China. I am well-versed in PHP, Java, and has extensive experience with TypeScript-based React.js, Vue.js, and Angular.js libraries. I have been mainly developed web and mobile applications such as BtoB, BtoC, business management system, matching system, etc as freelancer for over 10 years. In recent years, various blockchain-related exchanges, Bitcoin Wallet, NFT marketplace, and cryptocurrency have been developed. As a type that accurately understands the needs of customers, the purpose of the system to be developed, and actively proposes improvements that even customers have not thought of, so I communicates a lot with customers. Please give us a lot of contact.