is a web-based native cloud application that made up a full series of integrated solutions and tools that help typical recurring tax department workflows. A Powered by a global tax rules engine, which provides in-depth coverage of the tax rules and tax rates of 195 countries. Designed, implemented, and managing four core micro-services for the ITP platform, which helps the 200+ international clients. Designed and developed a Tax Planning management solution (WHT) for a large number of inter-company data and increase API performance, which used by approximate 1M tax users. Implemented and managing Dac6 EU Directive on cross-border tax arrangement solution, which helps 100+ EU clients. micro-services C# .net core GO javascript graphql rest mongodb angular unit-test git jira aws docker kubernetes oauth2