I have almost 20 year experience of software deveopment. I worked as a core developer, team leader and project leader of Windows and Linux system projects and had participated many projects such as desktop security project, Virus vaccine, driver and system service, desktop applications an so on. skill: C/C++/C#, Assembly, python, Visual studio, QT, service and driver development, cryptography

For 6 years, I had experience of mobile development and made many IOS and Android applications and games and uploaded to stores. Skill: Objective-C, Swift, Android, java, swift, cocos2d/2dx, unit3d, react native, ionic

Recently have interest to cryptocurrency and participated to a lot of blockchain related projects such as ICOs and exchange service development. Skill: Smart contract development and audit with solidity, truffle, remix, metamask. Dapp development using web3js, Backend and frontend using php, node.js, react.js, angular.js, polymer and vue, .Net and python with sql or nosql dbs such as mysql and mongodb. Bitcoin, Ethereum, Bitcoincash, Litecoin, Dash, Stellar, Neo, Qtum, EOS, Monero, and many other coin/altcoin nodes.

Also I have many years of experience of team management, architecture design, and quality management, Have an in-depth understanding of OOP programming and associated design patterns, and very familiar to project design/manage/dev tools such as Jira, Github, Subversion, Scrum, Trello, EA, and so on.

I like to give creative idea and smooth project management way to clients and self motivated and capable of working under pressure, ordered, hard working, responsible.