Platform and infrastructure engineer (SRE · DevOps). Co-founder & CTO of MotorSync, a multi-tenant automotive SaaS where I am the entire platform team: 60+ production tenant sites, two data centers in hot standby, a 99.99% uptime target.
Measured, not claimed: 50+ live tenants migrated across data centers with zero downtime, validated by packet capture. Backup RPO cut from 24h to 1h, ending in immutable, object-locked offsite storage.
Stack I operate: Docker · GitOps · GitHub Actions · Proxmox/KVM · PostgreSQL (Patroni) · MongoDB replica sets · Redis Sentinel · Traefik · Cloudflare · Grafana · VictoriaMetrics · ZFS · Node.js (NestJS, Next.js)
Also: 12+ years of homelab run like production. 40+ self-hosted services, zero-trust networking (Tailscale + Cloudflare Tunnel), local LLM inference on GPU (llama.cpp, hybrid RAG). The lab is where the production patterns get proven first.
The production work lives in private repos: a client-facing SaaS and a homelab with real hostnames do not belong on the public internet. The written version, with architecture diagrams and measured results, does:
rafaelreis.com · three case studies: the zero-downtime cross-DC migration, the one-person platform team, and 12 years of homelab AI.