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🎯
Web3 security! 🚀
🎯
Web3 security! 🚀

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josueCarvajal/README.md

👋 Hi, I'm Josué Carvajal

Sr. Blockchain SecOps Engineer @ QuickNode
Security professional with 7+ years of experience in DevSecOps, Application Security, and Secure Engineering.
I focus on securing cloud-native and blockchain infrastructure while mentoring others in their cybersecurity journey.


🛠️ Areas of Expertise

  • Blockchain & Web3 Security: Node security, compliance, threat detection
  • Application Security: Secure coding, SAST/SCA, vulnerability management
  • DevSecOps: CI/CD hardening, IaC security, container/Kubernetes hardening
  • Cloud Security: AWS, GCP
  • Mentorship & Training: Career development, workshops, conferences

📜 Certifications

  • Certified Blockchain Security Professional (Blockchain Council, 2025)
  • Certified Blockchain Expert (Blockchain Council, 2024)
  • Golang (KodeKloud, 2024)
  • Terraform (Platzi, 2022)
  • CEH – Certified Ethical Hacker (EC-Council, 2021–2027)
  • CompTIA Security+ (2021–2027)
  • Microsoft Certified: Azure Fundamentals (2021)
  • Java Defensive Programming 101 (Palantir Security, 2021)
  • Cyber Security Foundation (Certiprof, 2021–2023)

💼 Recent Roles

  • Sr. Blockchain SecOps Engineer – QuickNode (Contract @ Pearster, 2025–Present)
    • Securing multi-chain infrastructure, enforcing compliance, and leading system hardening
  • Cybersecurity Mentor – MentorHood LATAM (2025–Present)
    • Guiding professionals into cybersecurity & Web3 security engineering
  • Sr. Security Software Engineer – Equifax (2024–2025)
    • AppSec tooling, SAST/SCA, and custom security automation
  • Sr. Software Security Engineer (DevSecOps) – Wind River (2022–2024)
    • Vault, Kubernetes, Terraform, CI/CD hardening for mission-critical systems
  • Security Software Engineer – Micro Focus (2019–2022)
    • Vulnerability management, ArcSight security, secure engineering initiatives

🌍 Speaking & Teaching

  • Former lecturer at University of Costa Rica (cybersecurity courses)
  • Conference speaker on AppSec, DevSecOps, and Blockchain Security
  • Advocate for mentorship & breaking into cybersecurity

Social media

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  1. gitlab-release-tracker gitlab-release-tracker Public

    TypeScript

  2. whoIsWatcher whoIsWatcher Public

    Python