- Full-time software engineer intern in Navigation Team, R&D Korea - Contributed "Reference Navigation System" on MBUX system- Studied about path planning and NDS(Navigation Data Standard)- Worked with modern C++- (advisor : Joerg Wolf, Ph.D.)

- Full-time firmware engineer intern in Electrical Engineering team- Developed sub-controller firmwares on STM32(Cortex-M) based system- RTOS(FreeRTOS, RTX), Actuator(digital servo motor), Communicatiom(CAN, I2C, etc...), Bootloader & OTA- Worked with modern C++

- Part-time web full-stack developer- Develope equipment information management web app full stack- Migration from ejs template-based SSR structure to vueJS-based CSR structure- Backend: NodeJS + expressJS + sequelize ↔ postgreSQL- Frontend: VueJS 2 + vuetify + axios(REST)

- ROK airforce sergent, honorable discharge- Wireless communication system maintenance officer (30410)

- Worked as an undergraduate research intern- Development of ground station desktop app used for cluster flying drone project- Logic to parse the signal from the DGPS receiver and transmit it to the drone using the MAVLINK protocol- .Net framework 4.5 (VB.NET) + Winform + ironPython ↔ Mavlink python lib

- Worked as occasional freelance instructor- Lecture on the basics for making a prosthetic arm in the Infinite Imagination Course (IIP) and support for prosthetic arm production- C, python and Arduino lectures- Make prosthetic arm prototype

- Worked as a part-time/full-time mixed intern- Development of web frontend for "ZipAdvisor" service using Angular