{
  "name": "Zhang Hao",
  "role": "Network and Security Architect",
  "location": "Remote / Global",
  "experience_years": 5,
  "core_skills": [
    "Cloud Infrastructure (GCP/AWS)",
    "Network Security Architecture",
    "Encrypted Protocol Design (TLS 1.3 / ECH / QUIC)",
    "Linux Kernel Optimization",
    "Multi-Layer Firewall Orchestration",
    "Anycast DNS Deployment"
  ],
  "tech_stack": {
    "infrastructure": ["GCP", "AWS", "Cloudflare"],
    "network": ["Hysteria 2", "BBR", "QUIC", "WebSocket"],
    "security": ["nftables", "CrowdSec", "Fail2Ban", "ECH"],
    "dns": ["MosDNS", "Unbound", "DoH", "DoT", "DoQ"]
  },
  "featured_projects": [
    "Iron Bucket Defense Framework (multi-layer autonomous security)",
    "Dual-Stack Encrypted DNS Cluster (3-region)",
    "High-Performance Proxy Network with Hysteria 2"
  ],
  "availability": "Open to opportunities",
  "contact": "contact@api-cloud.cc"
}