Infrastructure as Code (IaC), Java, Golang, Rust, Cassandra, Dynamodb, Dns, Pki, Docker, Postgres, Kubernetes, Python, C#, Load Balancing, C, C++, Cursor, Code, Tcp/ip, x.509, HashiCorp Vault, OWASP principles, Cloud security design, AI development tools, Advanced prompt engineering, Codex, Claude, GitHub Copilot, Secrets Management