About Me

#Cybersecurity #Internet_Governance #Speaking #Side_Project #Open_Source #Cat_Lover

Sean Wei

Yung-Hsiang Wei

A software engineer focused on software development, network management, and information security.

Served as an IT volunteer in Saint Vincent 🇻🇨 in 2025, helping set up CCTV and an automated computer-lab management system.

Currently a backend engineer at a startup, where I made vehicle search 8× faster and helped upgrade the system framework.

Passionate about technology and open source, active in tech communities like SITCON, and enjoys sharing knowledge.

See what I'm up to now →

Experience

2025 ~ Present
gogoout Car Rental Marketplace Startup
Senior Backend Engineer
Blog
2023 ~ Present
Taiwan Internet Governance Forum
Multi-Stakeholder Steering Group Member
2026
Space Hackathon
Taiwan Qualifier Champion
2026
skating.tw — Taiwan ice-skating guide
Rinks across Taiwan and a first-time-on-ice guide
2026
Disaster Prevention Specialist Training (TA)
2024 ~ 2025
Taiwan IT Volunteer in Saint Vincent
Video
2024
SITCON Camp
Course Activity Team Lead
2024
SITCON 2024 Agenda Team Reviewer and Rehearsal Coordinator
2022 ~ 2024
Kubernetes SIG-Docs
Mandarin Approver
Blog
2022 ~ 2024
CCNA TA of NCTU CS
2020 ~ 2024
IT Center of NCTU CS
TA of the Net and Web teams
2022 ~ 2024
TANet HCRC
Penetration Tester
Blog
2023
SITCON Camp
Speaker and Course Activity Team
2023
DNS Public Policy Camp
Outstanding Graduate
2022 ~ 2023
Python Teacher of Sprout TW program
2022
NCCST Cyber Offense-Defense Exercise
Red Team (Academia)
2022
SITCON 2022 Agenda Team Lead
2022
HITCON 2022 Agenda Assistant
2022
Kubernetes
Contributor Award
Award
2022
Best TA of NCTU
2022
ICANN Public Policy Camp
Outstanding Graduate
Blog
2022
Internet Governance Camp
Outstanding Trainee
2021
EDUCATION DEFENSE
Problem Setter
Video
2021
HITCON 2021 Event Team
2021
SITCON Camp
TA and Course Activity Team
2020
SITCON 2020 Deputy Venue Team Lead
2019
SITCON 2019 Hour of Code
Organizer of Taipei
News
2019
SITCON Camp Counselor
Blog
2019
Student of Algo class of Sprout TW
2019
SITCON Admin team
2017 ~ 2019
COSCUP Venue team
2017 ~ 2018
AIS3 Student
Blog
2015
SITCON Camp Student

Talks

2024 Jun
CCNA course in NCTU CS
Hands-on Switch Lab
Note
2024 May
CHJHS
Cybersecurity Intro
Slide
CTF
2024 May
CCNA course in NCTU CS
Multi-Area OSPF
Video
Slide
2024 Apr
CCNA course in NCTU CS
Single-Area OSPF
Video
Slide
2024 Mar
SITCON 2024
GoAccess Parallel Programming
Video
Slide
2023 Jul
SITCON Camp Main Track
Telegram Bot Development
Video
Slide
2023 Jul
SITCON Camp Main Track
Python Module
Video
Slide
2023 Jul
SITCON Camp Breadth Course
Internet Governance Intro
Video
Slide
2023 Jul
Python class of Sprout TW
CI/CD
Slide
2023 Jun
Security Course in NCTU CS
Web Security Advanced
Video
Slide
CTF
2023 May
CCNA course in NCTU CS
VyOS and Cable
Video
Slide
2023 May
CCNA course in NCTU CS
AAA and ACL
Video
Slide
2023 May
NTHU CSST Programming Seminar
Hands-on Git Basics
Video
Slide
2023 May
Python class of Sprout TW
Python Class
Video
Slide
2023 May
Chu-Pei Senior High School
Cybersecurity Workshop
Video
Slide
2023 Apr
ICANN APAC-TWNIC Engagement Forum
Dialogue on Local Internet Governance Experiences
Agenda
2023 Mar
CKSH in Hsinchu
Cybersecurity Intro
Slide
2023 Mar
Python class of Sprout TW
Python String
Video
Slide
2023 Mar
CCNA course in NCTU CS
Static Route and RIP
Slide
2022 Nov
NCTU Bamboofox
Cybersecurity Intro
Slide
2022 Oct
DNS Abuse Forum (MODA Project)
Invited as Panelist
Video
2022 Jun
CKSH in Hsinchu
Internet Governance Intro
Slide
2022 Jun
Python class of Sprout TW
Discord Bot
Slide
2022 May
Python class of Sprout TW
Git Tutorial
Video
Slide
2022 May
CCNA course in NCTU CS
LACP and FHRP
Video
Slide
2022 Apr
Security Course in NCTU CS
Web CVE Exploit Hands-on Labs
Slide
2022 Apr
CKSH in Hsinchu
Cybersecurity Intro
Slide
CTF
2022 Apr
Python class of Sprout TW
Python Module
Slide
2022 Feb
CCNA course in NCTU CS
NIC Mode and SSH Tunnel
Video
Slide
2022 Feb
CCNA course in NCTU CS
Network Tools
Video
Slide
2021 Nov
Why youth should be involved in IG matters
Invited as Panelist
Video
2020 Dec
Internet Law, NCTU School of Law
Introduction to GAC
Video
2020 Apr
Telegram Podcast
Special Guest
EP04
EP05
2019 Oct
HSNU CRC
Experience Sharing in Information Science
Slide
2019 Oct
Northern Taiwan EECS Freshman Orientation
Experience Sharing
Slide
News
2019 Jul
Freshmen of TCJH Gifted Class
IT Arena
Slide
2019 May
CSSH
APCS Experience Sharing
Slide
2019 Mar
SITCON 2019
How to Build a Viral Tool
Video

Contacts

LinkedIn
@sean64
Instagram
@_sean64_
Telegram
@S_ean
Blog
Sean's Note
GitHub
@Sea-n
Email
[email protected]
Others

Certifications

CEH (Certified Ethical Hacker)
Blog
PADI Advanced Open Water Diver
NCC Class 1 Amateur Radio Operator (callsign BU2HF)
QRZ
American Sailing Association
ASA 101 Basic Keelboat Sailing
Taiwan Civil Aeronautics Administration
Drone Operator Certificate
Federal Aviation Administration
TRUST Recreational Drone Certificate
Transport Canada
Pilot Certificate - Remotely Piloted Aircraft - Basic Operations
EMT-1 (Emergency Medical Technician)
National Fire Agency
Disaster Prevention Specialist Certification
iPAS Cybersecurity Intermediate
ISC2
Certified in Cybersecurity
TOEIC Score 910
Gold Certificate

Education

2023 ~ 2024
NYCU
Master of Computer Science (On Leave)
Blog
2019 ~ 2023
NCTU
Bachelor of Computer Science
Blog
2016 ~ 2019
CSSH, QingShui Senior High School
Science Experimental Class
2013 ~ 2016
TCJH, TuCheng Junior High School
Math and Science Gifted Class
2007 ~ 2013
LLPS, LeLi Elementary School