Field research engineer- develop web 3d overlay graphics library (webgl based model output visualization) - now widely used in back-office tools- develop fms (maplibre, flutter based gps truck tracking system for managers)* available in google playstore (마스매니저)- improve viewer for self-driving trucks (qt6) - marsbox v2 (data acquisition device) development - investigating field hardware problems and getting plans to solve

2022. 12 ~ 2023. 05. (~on maintenance) : - Developed & released Actionman. * https://www.actionman.ai* (Electron based Unity briding motion cature client).* Preparing CBT took two months, OBT three months. * Build customization for various customers.2023. 06 ~ 2024. 02. : - A.PLA website development (Nextjs)- https://www.apla.world* 1 man dev* A.PLA service webpage on Nextjs.* Supports seven language localizations.* DAU 200~5000- A.PLA chitchat matching server development* Websocket based real-time video chat matching server for A.PLA app.* Designed & implemented real-time matching protocol.* Dynamodb + Lambda-based event handlers.- A.PLA Flutter App development* Chitchat (video chat) related UI, state managements. - By managing both server and client code, integration cost became minimized.

- ERP HR system development. DB schema design & full stack development.* Designed & applied React state management architecture using Mobx. * Designed DB schema for complex ERP service scenario (non-typical employee structure, organization management).* 2022 Emax Enterprise best junior award (Superrookie)