Steven Tse

Cybersecurity-Focused Developer & CTF Competitor

I build secure, data-driven systems and compete in Capture The Flag (CTF) cybersecurity events. Passionate about Java/Python engineering, incident analysis, and transforming data into actionable insights.

ST

Core Competencies

Secure Software Engineering

Java, Python, JavaScript, SQL

Data

Data analytics

Cybersecurity & CTF

Vuln analysis, Forensics, TryHackMe

Quality & Testing

Test design, QA workflows, Reliability

Featured Projects

PUCTF 2025 Ceremony

PolyU x NuttyShell CTF 2025

University cybersecurity competition: exploit scripting, cryptography & forensics.

Project placeholder

COMP3211-MonopolyCMD

Course project: a command-line Monopoly implementation with AI opponents and save/load support.

Python CLI Course
Project placeholder

COMP3334 — Secure Online Storage

Secure file storage with email OTP MFA, per-file encryption, and sharing features.

Python Security Course