Hi there

I'm Jaeyoung Jang, a Sophomore student majoring in Information Security at Sunrin Internet High School, as well as a backend developer and white hat hacker.
I'm from Daegu, South Korea 🇰🇷. And now, Seoul saram and daegu tobagi.

About Me

• Backend Developer / White Hat Hacker
• Hobbies: Aircraft operation (Pilot flight), Phasmophobia
• Email: [email protected]
• Instagram: @0jae0_

Education

• Transferred from Daegu Dongpyeong Middle School
• Daegu University Information Security Gifted Education Center — High-B
• Graduated from Seoul Sillim Middle School
• Sunrin Internet High School (Sophomore)
• KITRI WhiteHat School 1st

Experience

• Republic of Korea Ministry of National Defense White Hat Contest - 2nd
• Ministry of Education Hacking Competition - 4th
• And more - multiple hacking competition awards and finalist
• Project execution and paper publication for web vulnerability fuzzer combining commercialized web fuzzer (Confidential)
• Challenge Author for Dreamhack X-MAS CTF 2023 (Christmas CTF)
• Challenge Author for Layer7 CTF 2024 & 2025

Stack

C Python FastAPI Flask JavaScript TypeScript

Currently Studying

• Aircraft Operation (Pilot Flight)
• CSAT Preparation