+ Guided and mentored fresher/junior developers by providing constructive feedback during code reviews.+ Implemented CI/CD pipeline using Jenkins for the mobile team, automating the build process for apps, modules, and code-push deployments based on the system of Tech Lead Mobile designed.+ Researched and improved, maintaining SDK/kits for Re.pack modularization (MicroFrontend),+ Developed, maintained, and compiled styles, common components, and API call functions for an internal React Native library.+ Played as a key role in migrating legacy React Native apps (pre-0.74) to a new, modern architecture. So that increase performance and replacing many issuses with codepush, hermes bundle+ Configured native platform requirements and researched useful third-party libraries for team.+ Provided technical support and solutions for code-push, building apps, and other development challenges My results:+ Developed reusable mini-app modules using module splitting, optimized coding development with Many Apps around Corp, like Video-Call, Chat, Game,... Technologies : Typescript-Javascript, Swift, Objective-C, GraphQL, ResfulAPI, MicroFrontend, Firebase, Websocket, Redux -Saga - Thunk, Jenkins,