- Created new system to cluster customers and enhance capacity of lawn and other home services.- Integrated campaign and job management feature inside platform via stripe with Next JS. - Tool has aunched, but service is still under development.

- Completely rebuilt website using Plain Javascript with Typescript and HTML5 built by vitejs- normalized database, and connected database with Prisma to create new admin wetsite- improved search and queue function, resulting in 3x growth in number of users.

- Developed design system that enabled both designers and developers to see code and designed output together, eliminating duplicate code blocks and style css resources, successfully - implemented across five web developer teams, resulting in decrease in build and deployment time - Using Web Components, built UI components for developers to use and ported into React JS for Next JS. - Specialized in build and architecture of system, proactively took on difficult tasks like building docker image website, Vite configuration, and made plugin for test code work.

- Created tomcat server which integrated with company certificate data server, allowing 4000+ employees to print from their work stations instead of from old, inefficient kiosk system - Rebuilt frontend with Next JS, separating frontend side from JSP template, resulting in 50% decrease in system downtime. - Decreased runtime errors by 80% by adopting typescript for ERP System. - Made an executable node script to generate response model from server to typescript, decreasing code time by approximately 30% of total project time.

- Collaborated with server team to create ITSM app by using Expo with React Native, allowing every department to create and manage tickets, significantly decreasing wait time for resolving issues. - Innovative use of GraphQL client to manage cache, decreasing unnecessary server requests. - Created a new work flow chart module with React which integrated 3+ work flow systems and 200+ work flows into one entirely new system to be used by all groups within the company. - Individually executed creation of 30+ game event webpages with Java Spring - Extracted and analyzed event attendance data, effective communication with game admins and internal analyst groups essential.

- Created video streaming website and mobile application for a Japanese streaming service with Java - Spring. Created frontend video clip editor with React for Korean media company SBS.