The following only needs to meet one language requirement. -Familiar with Move language, with experience in contract writing - Familiar with front-end technology, familiar with common contract operation libraries - Familiar with at least one back-end language - Analyze open source project code, understand implementation ideas - Undertake certain contract development or testing work - Able to guide front-end and back-end personnel to develop and call complex contract methods - Familiar with contract attack methods and able to effectively protect or - Familiar with Rust language, with experience in contract writing - Familiar with front-end technology, familiar with common contract operation libraries - Understand at least one back-end language - Analyze open source project code, understand implementation ideas - Undertake certain contract development or testing work - Able to guide front-end and back-end personnel to develop and call complex contract methods - Familiar with contract attack methods and able to effectively protect or understand solidity, preferably developed. Passing the contract - familiar with web3j Library usage, in-depth understanding of common APIs - familiar with Java, familiar with common frameworks such as SpringBoot - familiar with common databases, MySQL, PG, MongoDB, etc. - familiar with common databases, MongoDB, MySQL PostgreSQL - familiar with one of React or Vue frameworks - proficient in common Python frameworks, including but not limited to FastAPI, Django Flask, etc., requiring proficiency in coroutine technology and some experience in high concurrency - able to write test cases and complete automated testing to ensure high code availability - more than 8 years of development experience is preferred, with team development experience preferred, and contract development experience preferred