-Lead position for two junior developers, assigning and tracking tasks, code review. -Back end API development for pro app named keyfi-pro-api -Building new pages and components on pro app named keyfi-pro -Integrating web3.js into pro app -Lambda scripts developmend for cron job of pro api named keyfi-pro-script -Deployment keyfi-pro-api and lambda scripts to AWS

-Added many pages including independent features such as Booking, Patient profile, Admin Dashboard with Angular in portal and test portal software. -Developed and integrated some back end apis such as Medicall and MediclinicAPI... -Developed Medicall back end api from scratch . -Implemented some sub system named Patient profile, Treatment note, Mediclinic Call for portal.

-Built landing page by using NextJS to optimize SEO performance and Material UI to customize a responsive and eye-catching Landing Page. -Refactored class component into React hooks. The new components were much cleaner and easier to understand compared to class components. -Designed Dashboard based on team ideas with ReactJS, TypeScript and Material UI as an UI framework for faster development. -Used Chart.js to draw various chart to display the data provided from AI. -Applied Flux Architecture with Redux Store to make application scalable. -Learned how to use Git, various workflows and maintained the project on this tool on Github. -Developed an Endpoint API allows brokers to update profiles and upload images, resumes, and videos to Firebase. -Learned how to work and collaborate with others member in AGILE method, learned to solve problem on each stand up meeting every two weeks. -Archived Top 4 on this challenge.

-React front end development for realtime comunication app. -Implementing communication features (video, voice, text) by using WebRTC -Implementing 1 milion concurrent users problem