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Estudando
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Achievements

Achievement: Pull Sharkx4Achievement: QuickdrawAchievement: YOLO

Achievements

Achievement: Pull Sharkx4Achievement: QuickdrawAchievement: YOLO

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@four-2 @learning-to-the-extreme

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GuilhermePortella/README.md

Hi, I'm Guilherme Portella 👋

About Me 💻

Backend Developer 👨‍💻 | Bachelor's in Computer Science 🎓 | Postgraduate in Cybersecurity (Red Team) 🛡️ | ex-IBM Developer 💼| Itau Software Engineer

  • Backend Developer with over 5 years of experience, specialized in modernization and migration of legacy systems to scalable and resilient architectures. Strong background in Java, Spring Boot, microservices, and cloud environments (AWS/Azure), with proven impact in banking and mission-critical projects.

  • Skills and Tools: Java, Spring Boot, C, JavaScript, Node.js, Docker, Kubernetes, SQL/NoSQL (MySQL, MongoDB, Redis), Angular, Kafka, CI/CD, Observability (Splunk, Datadog, Dynatrace).

  • Education: Bachelor's in Computer Science. Currently pursuing a postgraduate degree in Cybersecurity with a focus on Red Team operations (ethical hacking, pentest, hardware hacking).

  • Commitment to Learning: Passionate about tackling complex challenges and driving innovation. I believe continuous learning and knowledge sharing are key to professional growth, and I am constantly exploring new technologies and methodologies to improve both technical depth and delivery excellence.

Feel free to explore my repositories and share your ideas!

Certificates


Connect with me 📞

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  1. Mastering_Java_Language Mastering_Java_Language Public

    👽 Guia de Programação na linguagem Java ☕

    Java 5

  2. IntroducaoCienciasComputacao IntroducaoCienciasComputacao Public

    👽 Guia de Estudos para o curso de ciências da computação 👻

    JavaScript 3

  3. Mastering_Computer_Networks Mastering_Computer_Networks Public

    👽 Guia de Estudos para Redes de Computadores 📡

    1

  4. Mastering_C_Language Mastering_C_Language Public

    👽 Guia de Programação na linguagem C 💥

    C

  5. Warm-Up-Offensive-Cyber-Security Warm-Up-Offensive-Cyber-Security Public

    Aqui vou deixar conteúdos e trilhas de estudo sobre Cyber Security com foco principal em operações de Red Team, mas antes de adicionar conteúdos avançados irei deixar toda a base para que você poss…

    Java 2

  6. ReconhecimentoFacial ReconhecimentoFacial Public

    Projeto desenvolvido em Java aplicando conceitos de aprendizagem de maquina. O algoritmo ira tirar fotos do usuário assim criando um padrão sendo possível reconhecer o rosto do usuario assim que el…

    Java 2 1