Hands-on Tech Lead · Software & AI Architect
I design and ship complex enterprise systems end to end — distributed backend, cloud platforms (AWS & Azure), and production GenAI — and I still write the hardest code myself.
Currently Tech Lead / Specialist Software Engineer (GenAI) at Dataside, leading a cross-functional squad on an enterprise conversational-AI engagement.
- Architecture & systems — solution and software architecture, distributed systems, event-driven design, concurrency and distributed state
- Cloud — AWS (Lambda, EKS, Aurora/pgvector, S3, SQS) · Azure (AKS, Entra ID, Service Bus, Key Vault, AI Search, OpenAI)
- Production GenAI — RAG, hybrid retrieval and reranking, MCP, AI agents with tool calling and human approval gates, evaluation, cost and latency control
- Security & governance — Entra ID (delegated auth, OBO, Managed Identity), least privilege, private networking, security review to production
- Observability — OpenTelemetry, distributed tracing, incident response
- Day to day — TypeScript/NestJS · Node.js · Python · React · Kubernetes · Docker · Terraform · PostgreSQL · MongoDB
- Writing Engenharia de IA em Produção, an open technical handbook on production AI engineering (bilingual, PT-BR/EN — open draft)
- Rebuilding ruanpato.com as a professional knowledge surface, readable by humans, machines and agents
- Mentoring engineers growing from mid to senior and into technical leadership
Chapecó, Brazil — remote-friendly (BR / LATAM / international).
Pinned repositories show current work. Older repositories are academic and learning projects from my Computer Science coursework, kept for history rather than as current examples.