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httpSnooow/README.md

Hi there, I'm Guilherme Eduardo! 👋

Typing SVG

👨‍💻 About Me

"Security is not a product, but a process." — Bruce Schneier

I'm an Information Systems student at Goiás State University (UEG) with a dual passion: building robust, scalable backend systems and breaking them to make them stronger.

My journey is driven by a deep curiosity about how things work under the hood. I have a strong foundation in C++ from competitive programming and deep expertise in the Java/Spring ecosystem for enterprise development. Simultaneously, I am advancing my skills in Offensive Security (Ethical Hacking/Bug Bounty), holding a C1 Advanced English Certification (EF SET).

I bridge the gap between Software Engineering and Cybersecurity, ensuring that the code I write is not just functional, but secure by design.

Certifications

🛠️ Tech Stack

Back-end Development

Databases

Front-end

Cybersecurity & Networks

Fundamentals

Tools

🌍 My Languages

  • Portuguese (Native)
  • English (Advanced)

Featured Projects

Project Stack Impact Link
Custom ORM Framework Java, SQL, Design Patterns Built a lightweight Object-Relational Mapping framework from scratch to understand persistence layers deeply. View Code
Multithreaded Chat System Java, TCP/IP, Threads Developed a concurrent client-server chat application showing deep understanding of socket programming and concurrency. View Code
Google Cybersecurity Portfolio Python, SQL, Linux Collection of labs: Vulnerability Audits, Incident Response Plans, and Network Analysis with Wireshark. View Code

Current Focus

  • Competitive Programming: Mastering algorithms via LeetCode & Codeforces (C++).
  • Advanced Java: Diving into Spring Security & Microservices architecture.
  • Offensive Security: Improving Pentesting skills on Hack The Box & TryHackMe.
  • Full-Stack: Exploring The Odin Project.

📊 GitHub Stats

GitHub Stats


Open to work for Back-end & Security roles. Let's connect!

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  1. httpSnooow httpSnooow Public

    👋 Olá, eu sou o Guilherme! Estudante de S.I. (UEG) focado em Back-end Java, com base em C e interesse em Cybersecurity.

  2. java-framework-orm java-framework-orm Public

    Um ORM em Java (PostgreSQL) inspirado em "Applying UML and Patterns" (Larman). Implementa padrões de projetos avançados como State, Template Method e Unit of Work.

    Java

  3. c-data-structures-algorithms c-data-structures-algorithms Public

    Implementações de Estruturas de Dados em C: Listas, Pilhas, Filas, Árvores (BST, AVL, Red-Black), Tabelas Hash e Grafos (BFS/DFS).

    C++

  4. java-multithread-chat-socket java-multithread-chat-socket Public

    Aplicação de Chat Multithread robusta construída com Java Sockets e Swing. Utiliza Thread Pools, comunicação TCP, broadcast e suporte a mensagens privadas.

    Java