19 year old programmer from Singapore πŸ‡ΈπŸ‡¬


Cyber Security Specialist in the Ministry of Defense of Singapore πŸ‘¨β€πŸ’»


Incoming undergraduate at National University of Singapore, School of Computing πŸ“š


Presenting My Research (A*STAR Student Attachment Programme, Closing Ceremony)

Ministry of Defense, Singapore

Cyber Security Specialist
January 2021 - Present

Recipient of the Cyber Specialist Award under the Cyber NSF Scheme.

  • Awarded the Distinguished Honour Graduate and Best in Knowledge awards for the 4th Cyber Specialist Cadet Course
  • Performing Cyber Threat Intelligence (CTI) monitoring and assessment
  • Developing and maintaining CTI tools

Agency for Science, Technology and Research (A*STAR)

Research Intern
November 2018 - March 2019

Worked on using computational methods, such as the Finite-Difference Time-Domain (FDTD) method, to model nanoscale phenomena and study the formation of optical vortices.

  • Won the Best Poster Science Communication Award at the Singapore Science and Engineering Fair (SSEF) 2019
  • Presented at the International Conference on Materials for Advanced Technologies (ICMAT) 2019


Photo by Priscilla Du Preez on Unsplash

BComp. Computer Science

BSc. Mathematics/Applied Mathematics

National University of Singapore
Future (2023 - 2028)

Offered a reserved place in the National University of Singapore (NUS) in the following programmes/scholarships:

  • Mathematics/Applied Mathematics and Computer Science Double Degree Programme
  • NUS Merit Scholarship
  • NUS University Scholars Programme

GCE A Level

River Valley High School
(Junior College)
2018 - 2019

Achieved a perfect score in the Singapore-Cambridge GCE A Level with the following results:

  • H1 General Paper: A
  • H2 Computing: A
  • H2 Mathematics: A
  • H2 Physics: A
  • H2 Economics: A
  • H3 Semiconductor Physics and Devices: Distinction

GCE O Level

River Valley High School (Secondary)
2014 - 2017

Completed my secondary education with a focus in science and a GPA of 3.69, while achieving the following results in the Singapore-Cambridge GCE O Level:

  • Higher Chinese: A2
  • Higher Chinese (Oral/Aural): Distinction


Photo by Shahadat Rahman on Unsplash

Top Skills


Proficient in programming languages such as Python, C and Assembly. Experienced in applications such as machine learning and data visualization.


Experienced in penetration testing and information security. Founder of Social Engineering Experts, one of the top Singaporean Capture the Flag (CTF) teams.

Web Development

Experienced in full-stack web development using the LAMP stack (Linux, Apache, MySQL, PHP / Python). This site is powered by Python's Django web framework.


Offensive Security Certified Professional (OSCP) Cisco Certified Network Associate (CCNA)


Photo by Scott Graham on Unsplash


Photo by Rachel Moenning on Unsplash


3rd, First Bloods

University of Maryland CTF (UMDCTF) 2021


International Students Science Fair (ISSF) 2019


International Conference on Materials for Advanced Technologies (ICMAT) 2019


3rd Place

DSTA BrainHack Cyber Defenders Discovery Camp (CDDC) 2021

4th Place, Newcomer Award

DSTA BrainHack Today I Learned (TIL) — Artificial Intelligence Camp 2021

Distinguished Honour Graduate, Best in Knowledge

4th Cyber Specialist Cadet Course, SAF Cyber Defense School

1st Place

National University of Singapore (NUS) Statistics Competition 2019

Bronze Award

National Olympiad for Informatics (NOI) 2019

Best Poster Science Communication Award

Singapore Science and Engineering Fair (SSEF) 2019



Social Engineering Experts CTF Team

Challenge Creator


Vice President

RVHS Eco-Sustainability Leadership Academy

Executive Committee

RVHS Infocomm Club


RVHS Science Leaders Academy


Photo by Tyler Lastovich on Unsplash


TCP session hijacking tool for attacking unencrypted protocols.

Chess AI

Simple chess AI in Javascript. Uses the chess.js and chessboard.js libraries.


ManyHires is a service that connects freelance tech talent to companies, by providing the freelancer a dedicated platform for them to advertise their area of expertise. The aim is to speed up the hiring process, and offer a new way to adapt to rapidly changing needs.


HealthBuddy is a wearable fitness tracker application built for TinyCircuits.

Spam Classifier

A web application built in pure Python, using the Dash framework, that allows the user to generate meaningful visualizations of email records, and predict whether a given email is spam.

WhatsApp COVID19 Chatbot

WhatsApp bot powered by Twilio API to get through the quarantine. Latest COVID19 statistics, world news, and cat photos.


A real-time Python chatroom application with Tkinter GUI, built using socket programming.


Final round stage game for JSWC 2019. Combine 3 matching tiles to create larger numbered tiles.


Photo by Tyler Lastovich on Unsplash

Zeyu's profile image

I am currently serving full-time National Service as a Cyber Specialist. However, I am always open to new opportunities after my National Service and during my undergraduate years.

Feel free to drop me a line at