Christian Ivann C.

I'm a DevOps Engineer, full-stack developer, and cybersecurity analyst with over 6 years of hands-on experience building, securing, and operating production systems end-to-end. I work across the full lifecycle , from infrastructure provisioning and CI/CD pipelines to backend services, frontend interfaces, and security audits so a single engagement can cover what would otherwise need three specialists. My core stack spans three domains: DevOps & Cloud Infrastructure - Infrastructure as Code with Terraform and Ansible; CI/CD pipeline engineering on GitLab CI (also Azure DevOps); secrets management and PKI with HashiCorp Vault; full LGTM observability stack (Grafana, Loki, Tempo, Mimir, Prometheus) with OpenTelemetry instrumentation; container deployment with Docker and Podman; hybrid cloud + on-prem operations across Proxmox and Azure; zone-segmented networking with deny-by-default firewall, WireGuard, Tailscale, and Cloudflare edge. Full-Stack Development - React, Next.js, TypeScript, Node.js, Python, and C++; modern UI work with Tailwind, GSAP, and Radix/shadcn; REST and GraphQL APIs; databases including PostgreSQL, SQL Server, MongoDB, MySQL, and Redis. Cybersecurity - penetration testing, vulnerability assessment, and security audits using Kali Linux, Metasploit, and Burp Suite. Security-first mindset applied across every layer of the work — from VLAN design to application code. What sets me apart is the range: I can take an idea from architecture and Terraform modules through to a hardened, monitored, deployable production system — without handing off to a different specialist at each layer. Available for: - DevOps & SRE engagements - Infrastructure as Code, CI/CD pipeline design, observability rollouts, secrets/PKI implementation - Cloud migration and hybrid cloud architecture (Azure + on-prem, container platforms) - Full-stack web application development (React / Next.js + Node.js / TypeScript) - Cybersecurity assessments and penetration testing - Database design, optimization, and management - System administration and IT support - Mobile application development - AI/ML integration projects