- ICPC Asia Yokohama Regional 2020 (Team:shichifuku)
- ICPC Asia Yokohama Regional 2021 (Team:shichifuku)
- PC Club Activity Instructor 2019
- Cygames Internship 2021, 2023
- Infratop Internship 2021 ~ 2022
- DONUTS Internship 2022 ~ 2024 (Jobcan / Game)
- PIXIV SPRING BOOT CAMP 2023
- GREE Camp 2023
- RECRUIT Internship for Engineers, Data Specialists 2023