As a full stack blockchain developer, I have 9 years of experience in full stack development and have extensive experience working with Blockchain Core Protocol.
Since 2018, I have been working in the blockchain world and got good experiences and solid skills in dApp development as follows.
Understanding of blockchain: consensus algorithms, cryptography, the Merkle tree
Experience in developing solidity smart contracts: development, testing (including unit testing), deployment
Experience in developing solutions for DeFi
Experience with Oracle and with working with backend developers