Solidity Developer

| l  Carry out overall authority / property planning management for the uplink business. u  Use multi sign wallets to manage permissions and finance, and apply a unified management framework to arrange contracts. u  Design and sort out the contract development framework, reduce communication costs and improve development specifications. u  In combination with hardhat and node, the contract information is unified, and the latest contract information is shared in the form of API / GitHub file links. u  Combine hardhat, node and MYSQL to automate the contract, and enable Mysql to be initialized automatically when the contract is deployed, scan the block, and capture the contract events to the database, so as to provide other developers with data for use / analysis. u  Use node, web3.js to transfer contract interaction in the form of API to help other developers interact with the contract on the chain. Reduce repetitive configuration work. u  Use geth and blockscout to build a test network environment for the company, so as to obtain unlimited test coins and debug the query contract to report errors. u  Standard design and writing of document. l  The implementation of erc20 is implemented by using the erc20 contract of openzeppelin agent contract upgrade, and secondary development is carried out. l  The charging and withdrawing system uses smart contracts to process the withdrawal business in batches, which saves 50% of the gas cost for large-scale withdrawal operations. For large cash withdrawals, join the audit mechanism, use the erc712 signature protocol, and apply a unified management framework to enable the monitoring system to take actions quickly when detecting abnormalities. l  The implementation of erc721 is implemented by using the updated version of erc721 contract of openzeppelin agent contract, and secondary development is carried out.
Analyze the data on the user chain, use the data of ethscan, sort out and weight the score. 

Experience: 2 years

Yearly salary: $35,000

Hourly rate: $50

Nationality: 🇨🇳 China

Residency: 🇨🇳 China


Period Title Company
2021 - 2022 Blockchain Engineer Chinese company