server & game dev trails kotlin/java spring boot server developer at Yanolja-Trustay (2024~2025) kotlin/spring boot server developer at HTBeyond (2022~2024) embedded software & smart factory machine learning developer at Mando (2019~2022) main portfolio video game + AI train loop integration else 3D suspense game for Mystery Game Jam 2025 2D shooting game for BrackeysGameJam 2025.1 snake game in go dataGatheringServer fileSystemMonitoringUploader computer_science_learning_examples_in_c algorithm solution & code snippets BaekJoon LeetCode contact kangggunw3492@gmail.com