> VJ F. Mabansag

Cyber Sentinel
& Code Crafter

Computer Science Student · Software & Mobile Developer · CTF Enthusiast

About Me

Summary

Computer Science student at Visayas State University with strong foundations in software development, web technologies, and CTF competitions. Skilled in C#/.NET, TypeScript, and Flutter, with hands-on experience in building secure web/mobile applications and tutoring peers in programming fundamentals. Ranked Top 10 nationally in Trend Micro’s University CTF 2025, specializing in cryptography and digital forensics. Passionate about problem-solving, collaborative development, and continuous learning.

Education

Bachelor of Science in Computer Science

Visayas State University - Baybay City, Leyte

2023 - Present

First-Year Honors

Technical Skills
  • Frontend: HTML, CSS, JavaScript, TypeScript, React.js, Next.js, Tailwind CSS
  • Mobile: Flutter (Dart), Android Studio (Java/Kotlin basics), Ionic (learning)
  • Backend: C#/.NET, Java, Node basics, SQL Server, MySQL, Firebase
  • Other: Git/GitHub, Agile basics, unit testing, technical writing, problem-solving

My Projects

EHR Web App | Full Stack Developer

Built a role-based electronic health record system with secure authentication and real-time data synchronization. Implemented form validation, route guards, and modular components for maintainability.

Next.js
TypeScript
Tailwind
Firebase
WPF Calculator & Paint | C# Developer

Developed a calculator and drawing tool to practice MVVM patterns, event handling, and .NET APIs.

C#
.NET
WPF
DB Desktop App | Backend Developer

Created a CRUD desktop app with indexed queries and prepared statements. Focused on input validation and connection pooling for reliability.

Java
MySQL
Tic-Tac-Toe Mini-Game | Student Project

Implemented win/draw detection and input sanitation. Used in peer tutoring to demonstrate loops, arrays, and functions.

C

Experience

Dormitory Coding Tutor

Visayas State University · 2024 - Present

  • Conducted weekly C/C++ practice sessions and debugging labs for first-year students.
  • Created problem sets and checklists on pointers, structs, and file I/O.
  • Promoted test-driven development and GitHub-based collaboration.

Achievements

Trend Micro University CTF

2025

10th Place

Get In Touch

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