Your all-in-one developer

Building things
for you.
Safe & Secured Systems.

Full-stack developer and cybersecurity specialist. I design systems that feel inevitable. Clean logic wrapped in careful interfaces.

gio-rivera.sh — zsh
01

About

A Computer Engineering graduate with a strong interest in software development, systems programming, cybersecurity, and research. He focuses on understanding how software operates at both application and system levels, with an emphasis on performance, reliability, and security.

His interests include cybersecurity practices such as vulnerability analysis, penetration testing, and secure system design, as well as research in programming languages and software security. He is particularly interested in how language design affects memory safety, system reliability, and exposure to vulnerabilities in modern software systems.

// learning_never_stops.log

He is continuously improving his skills in programming, systems design, cybersecurity, and research, with the goal of building efficient and secure software solutions. He aims to contribute to roles that integrate software engineering, security engineering, and applied research, particularly in systems and embedded environments.

Frontend88%
Backend / APIs85%
Systems Design78%
Machine Learning65%
DevOps / Infra72%
Cybersecurity / Pentesting92%
02

Experience & Education

Jun 2025 - Jul 2025
Internship
IT Intern
Conrado F. Estrella Regional and Medical Trauma Center · Pangasinan, PH

Developed 3 systems. Assisted in IT works and activities. Pentested their network infrastructure.

WebDevNetworkingPentesting
2021 — 2026
Education
B.S. Computer Engineering
Pangasinan State University - Urdaneta City Campus · Pangasinan, PH

Led the university's competitive programming team to regional championship and national scene.

ProgrammingCybersecurityRobotics
2018 — 2020
Education
Senior High School - TVL-ICT
PHINMA UPang College Urdaneta · Pangasinan, PH

Graduated with honors. Developed Java Applications and Web Apps.

JavaWeb DevelopmentGraphics Design
03

Projects

Coming soon...

04

Toolkit

// Frontend
React / Next.js
TypeScript
CSS / Animation
Three.js / WebGL
Svelte / SvelteKit
// Backend
Node.js
Rust
Python
PostgreSQL
GraphQL
// Infrastructure
AWS / GCP
Docker / K8s
CI/CD Pipelines
Edge Computing
Observability
// Cybersecurity
Pentesting
Reverse Engineering
Web Exploitation
Binary Exploitation
Digital Forensics
// Microcontrollers
Arduino
Rasperry Pi
ESP32
ESP8266
STM32
// GameDev
Godot
Unity
Unreal
Raylib
jMonkeyEngine
05

Competitions & Awards

8th Place
2026 National CpE Programming Challenge Participant (C Category)
Institute of Computer Engineers of the Philippines
// 2026
View Certificate ↗
Champion
8th Regional CpE Programming Challenge Champion (C Category)
Institute of Computer Engineers of the Philippines Region 1
// 2026
View Certificate ↗
Contender
UMBC DawgCTF 2026
MetaCTF
// 2026
View Certificate ↗
Contender
Kaspersky CTF
Kaspersky
// 2025
View Certificate ↗
Contender
Trend Micro 2025 University Capture the Flag (uCTF)
Trend Micro Philippines
// 2025
View Certificate ↗
9th Place
2025 National CpE Programming Challenge Participant (C Category)
Institute of Computer Engineers of the Philippines
// 2025
View Certificate ↗
Champion
7th Regional CpE Programming Challenge Champion (C Category)
Institute of Computer Engineers of the Philippines Region 1
// 2025
View Certificate ↗
Contender
Algolympics 2024
The Association of Computing Machinery - UP Diliman Student Chapter
// 2024
7th Place
2023 National CpE Programming Challenge Participant (C Category)
Institute of Computer Engineers of the Philippines
// 2023
View Certificate ↗
Champion
6th Regional CpE Programming Challenge Champion (C Category)
Institute of Computer Engineers of the Philippines Region 1
// 2022
View Certificate ↗
9th Place
2022 National CpE Programming Challenge Participant (Java Category)
Institute of Computer Engineers of the Philippines
// 2022
View Certificate ↗
Champion
5th Regional CpE Programming Challenge Champion (Java Category)
Institute of Computer Engineers of the Philippines Region 1
// 2021
View Certificate ↗
Contender
Campus-Based CpE Programming Challenge (Java Category)
Institute of Computer Engineers of the Philippines PSU-UC.SE
// 2021
View Certificate ↗
06

Certifications

JavaScript Essentials 2
Cisco Networking Academy
Issued Feb 2026
JavaScript Essentials 1
Cisco Networking Academy
Issued Feb 2026
Linux Essentials
Cisco Networking Academy
Issued Feb 2026
Introduction to Data Science
Cisco Networking Academy
Issued Feb 2026
Introduction to Modern AI
Cisco Networking Academy
Issued Feb 2026
Cyber Threat Management
Cisco Networking Academy
Issued Feb 2026
Network Support and Security
Cisco Networking Academy
Issued Feb 2026
Linux Unhatched
Cisco Networking Academy
Issued Feb 2026
CSS Essentials
Cisco Networking Academy
Issued Feb 2026
Introduction to IoT and Digital Transformation
Cisco Networking Academy
Issued Feb 2026
Operating Systems Basics
Cisco Networking Academy
Issued Feb 2026
Exploring Internet of Things with Cisco Packet Tracer
Cisco Networking Academy
Issued Feb 2026
Exploring Networking with Cisco Packet Tracer
Cisco Networking Academy
Issued Feb 2026
Hardware and Upgrade Support
Cisco Networking Academy
Issued Feb 2026
Computer Hardware Basics
Cisco Networking Academy
Issued Feb 2026
HTML Essentials
Cisco Networking Academy
Issued Jan 2026
Ethical Hacker
Cisco Networking Academy
Issued Jan 2026
Python Essentials 2
Cisco Networking Academy
Issued Aug 2025
Python Essentials 1
Cisco Networking Academy
Issued Jul 2025
C++ Advanced
Cisco Networking Academy
Issued Jul 2025
C++ Essentials 2
Cisco Networking Academy
Issued Jul 2025
C++ Essentials 1
Cisco Networking Academy
Issued Jul 2025
Introduction to Cybersecurity
Cisco Networking Academy
Issued Feb 2024
Getting Started with Cisco Packet Tracer
Cisco Networking Academy
Issued Feb 2024
07

Contact

Let's build
something
worthwhile.

I'm selective about what I work on. If you have a problem that feels unsolvable — the kind where people say "we just have to live with it" — that's exactly the kind of problem I want to hear about.

// availability_status
Open to opportunities

Currently accepting freelance projects and full-time conversations.

Freelance Full-time Consulting Open Source Pentesting