I am a skilled senior blockchain, DevOps, software engineer, Team Manager with good experience in the full SDLC creating dynamic web application, desktop, script. I always update functionality based on customer requirements to ensure an excellent user experience. I have varied software development skills and experience. Web and desktop application, realtime service systems, blockchain platforms - Programming languages: C, C++, Object-C, Python, PHP, Java, JavaScript - Libraries/Frameworks: Angular, React, Vue, Node.js, Next.js, Redux, Redux-Saga, Nginx, Apache, Django, Flask, WebSockets, Meteor, Cesium.js, Vanta.js - Database: MSSQL, MySQL, MongoDB, MongoAtlas, NoSQL - System Administration and DevOps: Windows Server 2008, 2016, Linux, RHEL, CentOS, Ubuntu, macOS, Security, SELinux, Unix Shell, Sevice Daemon, Amazon RDS, EC2, Route53, AWS DevOps, Azure Blob, Function, VM, CI/CD, Azure DevOps. - Modern blockchain technologies: BTC, Ethereum, Smart Contracts, Cryptocurrency Exchange, Arbitrage, Defi, Compound, ERC-20 Token, Governance, DAO, Web3.js, Solidity, Sol