Backend developer (2016 – now) ¥ Fullstack developer : Nodejs, Javascript, React Native, Objective-C, ReactJS, Blockchain, Smartcontract , Ethereum C++, Solidity, charting library such as tradingview ¥ CI, CD with Jenkins Products: ¥ BackenddeveloperwithNodejs(Express,HapiJS,socketio,redis,mongoDB...),Restfull API, microservice ¥ Ubuntu configuration, redis, rabbitmq, aws (s3, dynamodb, EC2, aws sdk ...) ¥ Research, develop and maintain: a smart contract with solidity (create token, ico, multisign base on Ethereum network) intergrate and build nodejs backend to listen smart contract using web3 ¥ Research 0xProtocol to build a Decentralized Exchange (exchange market that does not rely on a third party service to hold the customer's funds) similar https://ddex.io/trade/PTT-ETH ¥ Payment gateway functions for centralize exchange. (Deposit, withdraw base on blockchain) ¥ R&D new technology, nice to learn a new programming language