Junseo Jang
Software Engineer Intern
Seoul,11
Summary
Dedicated Linux System Software Researcher specializing in kernel development, system-level optimizations, and networking technologies. Currently leveraging cache hierarchy and DDIO (Direct Cache Access) techniques to maximize cache efficiency in NUMA-aware flow placement as part of the Accelerated Receive Flow Steering (aRFS) project. Proficient in designing and implementing advanced Linux kernel features, including Multipath TCP (MPTCP) schedulers and kernel-level queuing mechanisms. Published researcher with a patent-pending innovation and ongoing contributions to high-impact conferences. Skilled in programming with C, C++, Python, and Shell scripting, with additional experience in full-stack development integrating front-end and back-end systems. Bilingual proficiency in English and Korean (OPIc AL certified) and a global educational background spanning Korea, Canada, and the USA. Expertise in bridging cutting-edge research and practical solutions in system software, networking, and cache optimization. Strong cross-cultural communication skills and a collaborative mindset to deliver innovative and efficient results.
Overview
1
1
year of professional experience
8
8
years of post-secondary education
1
1
Certification
2
2
Languages
Work History
Linux System Software Researcher
SYSLAB, Sungkyunkwan University
08.2023 - Current
- Designed and implemented NUMA-aware flow placement in the Linux kernel by enhancing Accelerated Receive Flow Steering (aRFS), achieving reduced latency and improved throughput. Published findings at ICTC 2024, with a patent application pending and ongoing work for a target conference in 2025.
- Developed a custom scheduler for Multipath TCP (MPTCP) to enable redundant packet transmission across subflows, improving packet transmission logic and enhancing kernel structures.
- Conducted in-depth analysis and optimization of kernel-level queuing mechanisms, focusing on efficient handling of transmission and retransmission queues.
- Gained extensive experience in Linux kernel programming, including kernel debugging, modifying kernel structures, and integrating advanced features.
Education
Master of Science - Semiconductor Convergence Engineering
Sungkyunkwan University
Suwon, South Korea 08.2023 - Current
Bachelor of Science - Information Technology And Web Science
Rensselaer Polytechnic Institute
Troy, New York, USA 08.2016 - 12.2022
Skills
- Linux Kernel Development: Proficient in kernel programming, debugging, and system-level optimizations
- System Software Engineering: Experience in networking protocols, scheduler design, and flow management
- Programming: Strong skills in C, C, Python, and Shell scripting
- Full-Stack Development: Front-end and back-end integration with database management
- Tools: Git, Docker, Wireshark, and system performance profiling tools
- Global Communication: Bilingual proficiency in English and Korean, certified with OPIc AL (Advanced Low), the highest level of certification Strong cross-cultural communication skills developed through living and being educated in Korea, Canada, and the USA
- Research: Published work and patent-pending innovations in system software and networking
Accomplishments
- Published a research paper at ICTC 2024 on NUMA-aware flow placement.
- Patent pending for innovations in NUMA-aware flow placement and aRFS.
- Selected for the Korea-Netherlands Semiconductor Talent Exchange Program, gaining advanced knowledge in semiconductor manufacturing and EUV lithography.
Affiliations
- Member, SYSLAB, Sungkyunkwan University.
- Participant, Korea-Netherlands Semiconductor Talent Exchange Program.
Certification
OPIc - AL
Timeline
OPIc - AL
10-2024
Linux System Software Researcher
SYSLAB, Sungkyunkwan University
08.2023 - Current
Master of Science - Semiconductor Convergence Engineering
Sungkyunkwan University
08.2023 - Current
Bachelor of Science - Information Technology And Web Science
Rensselaer Polytechnic Institute
08.2016 - 12.2022
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