terminal
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Javier González Casares
$ cat profile.txt
Computer Engineer specialized in Cybersecurity
$ ./open_documents.sh
Retrieving professional documents...
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Javier González Casares

Computer Engineer & Cybersecurity Specialist

# About Me

Javier González Casares

Computer Engineering student at the University of Córdoba, specializing in Computing with a strong focus on cybersecurity and software development while staying current with the latest security trends and AI-powered tooling.

"As a kid, I used to break things by accident, now I do it on purpose."

# Professional Documents

Download an up-to-date copy of my curriculum and the recommendation letters that support my work ethic and technical skills.

# Featured Projects

@transcriptapp_bot

Telegram tool that transcribes audio and video, automatically improves the generated text, and exports results in multiple timestamped formats.

Telegram Bot Transcription AI Export

Final Degree Project - Directional Prediction of Financial Assets

Final Degree Project that compares baseline, machine learning, and deep learning models to predict market direction in BTC-USD, TSLA, and NVDA, including alternative news sentiment data (GDELT) to evaluate its impact on predictive performance.

Python Machine Learning Deep Learning GDELT Sentiment

Instagram Notes Audio Leakage

Vulnerability in Instagram Web allowed extracting the original note audio via direct video URLs. Disclosed to Meta and rewarded.

Vulnerability Bug Bounty

buythetop.vip

Developer of buythetop.vip, a monetary ranking platform that aggregates performance metrics and highlights top contributors with automated leaderboard updates and payout tracking.

Web Product Design Automation

brillanteseguro.es

Platform I developed for free for my neighborhood community where residents can visualize incidents on a map, including security alerts, public road issues, and lost pets, while also accessing a marketplace to offer professional services or second-hand products.

It also includes an incident management dashboard for community administrators so they can review, prioritize, and coordinate responses efficiently.

Community Platform Interactive Maps Marketplace Admin Panel

helionlabs.es

Founder of Helion Labs, a company focused on AI business automation that designs and deploys intelligent workflows to streamline operations, reduce repetitive work, and help companies scale more efficiently.

Artificial Intelligence Business Automation Workflow Design

Bot Trading

Automated trading bot focused on keeping orders at the top of the order book with adaptive spread control, inventory balancing, and automated risk management for crypto-fiat pairs. I have also deployed variations of this strategy on KuCoin and other exchanges, achieving consistent profitability with tailored optimizations for each venue.

Python Selenium TelegramBotAPI

CTF-Hackademics-Forum

Solutions for the Hackademics Forum CTF competition where I achieved 1st prize.

Python Cybersecurity

Instagram Password Bypass

Vulnerability that allowed changing any password without the current one. Reported to Meta and fixed.

Vulnerability Bug Bounty

Club Gym Sierra Time Bypass

Client-side time manipulation vulnerability enabling early class booking. Disclosed and patched in version 4.4.19.

Vulnerability Security Research

Network Monitor

Desktop application that reports real-time upload and download usage alongside latency, interface saturation, and alerting thresholds so users can understand the bandwidth footprint of their devices at any moment.

Python Monitoring Desktop

Web Manager - gslasalle.es

Ongoing stewardship of the Scouts La Salle Córdoba website, keeping content fresh, ensuring availability, and reinforcing secure communication for the entire community.

Web Maintenance SEO

HundirFlotaRedes

Implementation of the classic Battleship game with network functionality and player communication.

C Networks

passwow

A secure and minimalist local password manager using AES-256 GCM and Scrypt. It features a command-line interface (CLI) for managing encrypted vaults, including initialization, adding, listing, retrieving, deleting, exporting, and importing entries.

Python Cryptography CLI

AES-app

Encryption application implementing AES-128 in GCM mode with a user-friendly interface.

Python Cryptography

Smart Home Interface

Final project for an interface on a smart home, with device control and automation.

Java IoT

Artificial-Intelligent

Artificial intelligence project with implementations of machine learning algorithms.

Python AI

ToDo App

Task management application with intuitive interface and organization features.

JavaScript Web

Image Processing

Jupyter notebook project for digital image processing and analysis techniques.

Python Computer Vision

# Experience & Education

2009 - Present

Scouts - La Salle Córdoba

Former group president and youth group leader.

2018 - 2021

Debate Team - La Salle Córdoba

Champion in debate competitions (x2) and debate mentor.

2021 - 2025

Participation in Free Software and Cybersecurity & Networks Classrooms

University of Córdoba

I was part of the Free Software Classroom and the Cybersecurity & Networks Classroom.

2021 - 2025

Degree in Computer Engineering - Specialization in Computing

Higher Polytechnic School of Córdoba

Training in software engineering, operating systems, networks, and cybersecurity.

2021

Cybersecurity Course - III National League

Civil Guard

Participation in the National Cybersecurity League organized by the Civil Guard.

2022

1st Place - Free Software Classroom Hackathon

Free Software Classroom, University of Córdoba

Won the first Hackathon of the Free Software Classroom.

2024

Software Architecture Course

Higher Polytechnic School of Córdoba

Training in design and architecture of complex software systems.

2024

CCN Cybersecurity Course

Higher Polytechnic School of Córdoba

Specialized training in cybersecurity provided by the National Cryptologic Center.

2024

Ex member of CTF Caliphal Hounds team

Participation in Capture The Flag competitions and cybersecurity challenges.

2025

1st Prize in the 3rd Edition of Hackademics Forum CTF

Cybersecurity and Networks Classroom, EPSC

Achieved 1st prize in the Hackademics Forum CTF, demonstrating advanced skills in cybersecurity challenge resolution and problem-solving.

Jun 2025 - Present

Fraud Investigation Collaborator

Spanish National Police

Supporting investigations into online fraud by performing technical analyses, evidence preservation, and cybersecurity assessments alongside specialized units.

Jun 2025 - Sep 2025

Cybersecurity Intern

Centro de Excelencia, Navantia Sistemas

Worked as a cybersecurity intern at the Navantia Sistemas Center of Excellence.

Sep 2025

Week 4 Winner — “El Bug de la Semana”

INCIBE & IMMUNE

Recognized as the Week 4 winner in the “El Bug de la Semana” challenge organized by INCIBE and IMMUNE.

Nov 2025

8th Place (National) - Talet4Cyber Competition

Team "Estatua de gnomos de jardín gnomos de doble dedo"

Secured 8th place at the national level in the Talet4Cyber competition as part of the team "Estatua de gnomos de jardín gnomos de doble dedo."

Nov 2025 - Dec 2025

Network and Cybersecurity Intern

Deuser (Indra Group)

Completed an internship in network operations and cybersecurity, collaborating on infrastructure hardening and incident-response support tasks.

Jan 2026 - Present

Intelligence and Forensic Analysis Intern

AllPentesting

Currently completing an internship focused on intelligence analysis and digital forensic investigations.

Apr 2026

Best Device Award - 4th Biotechnological Hackathon

IMIBIC & Escuela Politécnica Superior de Córdoba (EPSC)

Won the Best Device Award in the challenge "Intelligent counting device for post-surgery surgical material" during the 4th Biotechnological Hackathon.

# Contact

Interested in collaborating?

I'm open to collaboration opportunities, interesting projects, and new challenges.