Lee Reservation System Designed and implemented a back-end appointment system for clients to coordinate with Engineers. JAVA, Spring Boot, MySQL Implemented Restful APIs to send booking requests, process responses Designed and built Database, and storage layer for MySQL using Spring JPA Incorporate RabbitMQ as the message broker to decouple bank-end service Established testing plan using JUnits/Mockito frameworks and improved the system stability Structural Design WorkFlow Automation Developed an integrated Revit plug-in Integrated APIs to generate JSON files that extract essential geological information from 3D models Designed and generated Restful APIs to support a code compliance check engine for Structural Design and Engineering Drawings Contributed to a preliminary recommendation design system per the geological seismic data, building layout and material information Increased the code coverage by unit test; Enabled the pre - submit workflow and use the Integration test to reduce the production error by 10%; set up CI/CD to make the deployment more efficient Structural Details Image Index Service Developed a web app for Structural Engineers to collaboratively manage their detail library more efficiently by providing an intuitive data management system with streamlined data import process and intelligent tagging Implemented the backend service for structural details management using Spring and MySQL Designed and implemented a smart uploader on top of AWS SDK, built a pipeline to generate Structural Details using Python + OpenCV, decreased page load time from 500ms to 100ms Built an image dedup service to remove the similar structural Details, saved 10GB(30%) AWS S3 storage Designed and developed the frontend user interface that allows Engineers to filter and search the Structural Details, increased Engineers' productivity by 20%