Hongjun Jang

Staff Software Engineer at Samsung Research
h0ngjun.jang [at] samsung [dot] com

Samsung Research Staff Software Engineer, 2026–Present

Research on knowledge retrieval for on-device systems
Collaborated with AI Center-Warsaw and Samsung R&D Institute UK on knowledge retrieval and converting natural language questions into knowledge graph queries
Samsung R&D Institute United Kingdom, Software Engineer, 2025

Collaborated with Oxford Semantic Technology on the development of a graph database engine

Samsung Research Software Engineer, 2020–2024

Research on reinforcement learning for multi-objective constraints
Research on knowledge representation and reasoning for on-device personalization
Republic of Korea Army Cyber Operations Command, Software Engineer, 2018–2020

Developed an endpoint security solution for Republic of Korea Armed Forces military networks.
Designed and implemented the Windows clients in the solution.
Samsung Research, Software Engineer Intern, 2016

Global AI Center, Artificial Intelligence Team, Computer Vision Part, Advised by Yoonhee Cho
Research on object recognition algorithms(Fast R-CNN, YOLO) for mobile devices, with an emphasis on performance enhancement

Bachelor of Science in Computer Science, Korea University, 2013–2020

Total GPA of 3.88 / 4.5 (93.8 / 100)
Advised by Professor Sungdeok Cha

"Method and electronic device for providing information by using reinforcement learning"
Hongjun Jang, Eunkyu Oh, Minsoo Kim, Taehun Kim, Yunhu Ji
2024 US Patent: US20240221018A1
"Electronic device and operation method of electronic device for deciding cell on or off threshold based on traffic"
Minsuk Choi, Kyungrae Kim, Hongjun Jang, Hyokyung Woo, Seowoo Jang
2023 US Patent: US20230032030A1
"Cell On/Off Parameter Optimization for Saving Energy via Reinforcement Learning"
Minsuk Choi, Kyungrae Kim, Hongjun Jang, Hyokyung Woo, Joan S Pujol-Roig, Yue Wang, Hunje Yeon, Sunghyun Choi, Seowoo Jang
2021 IEEE Globecom Workshops (GC Wkshps)

ACM International Collegiate Programming Contest(ACM-ICPC)

Ho Chi Minh City Regional 2017, 3rd prize
Daejeon Regional 2016, 4th place(Minister of Science, ICT and Future Planning Award)
Daejeon Regional 2013, 10th place(NHN Special Award)
Samsung Collegiate Programming Cup, 4th place, 2016
Samsung Software Track Scholarship, 2016–2017
Full tuition for 2 years
Korea University Scholarship for Gifted Students in Science, 2013
Full coverage of tuition and admission fees

C++20, Python3, Ray, Rust, Kotlin, Ansible, Java, Microsoft Azure Pipelines, Google Cloud BigQuery

International Olympiad in Informatics (IOI) Student Assistant Coach of the Korea team, 2016
International Olympiad in Informatics (IOI) Training Camp in Korea, Coach, 2013–2017
Korea Olympiad in Informatics (KOI), Coach and Problem Setter, 2013–2017