I'm Rafael, a staff software engineer
Brasileiro em São Paulo com 10 anos em empresas europeias. TypeScript, Node.js, React e AWS serverless — com foco em Event-Driven, DDD e full-stack delivery.
What I Do
Domain-Driven Design
Event Storming, bounded contexts, and Spec-Driven Development that decouple teams and clarify APIs.
Full-Stack Delivery
TypeScript end-to-end — React/Next.js, Node.js, GraphQL on AppSync, zero-to-production.
Serverless AWS
Lambda, AppSync, DynamoDB, Cognito, CDK — cost-efficient systems without ops overhead.
Event-Driven & AI
Kafka integrations, Vertex AI + RAG in production, agentic workflows for docs and QA.
A decade owning reliability end-to-end.
Known for owning reliability end-to-end — from IaC and pipelines to observability and incident response.
Strong Bash against the AWS SDK, Postgres/SQL schema migrations, and cross-account data migrations on DynamoDB. Fluent in English (C1), intermediate Dutch.
A decade in production.
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First industry role — fleet management telemetry platform.
Software engineering rotation across European and Brazilian offices.
Full-stack product delivery for a remote-first engineering team.
Developed an Angular + GraphQL application inside the Sales team. Drove adoption of the internal Design System and monitored stability of the customer sales journey.
Migrated a legacy monolith to an SSR Nuxt frontend backed by microservices and a GraphQL gateway. Tech lead on the Refund Project across Promotions, Orders and Basket.
Shipped an AI-powered customer chat with Vertex AI + RAG — one of the team's first production GenAI features. Replaced a third-party vendor, saving ~$10K/year.
Designed and shipped GraphQL services on AWS AppSync with Lambda resolvers and DynamoDB single-table models, serving multiple Volkswagen affiliates from a shared platform.
KvK-registered consultancy. Key client: Teaching It Right (NSF-backed EdTech, USA). Architected and shipped "We Are Friends" from zero to production as sole technical owner.
Drive the cross-squad Testing Community of Interest, own event-driven integrations on Kafka with DDD bounded contexts, and introduced Spec-Driven Development + agentic AI workflows.
The stack.
Languages & Frameworks05
Architecture & Modelling05
Cloud & Serverless04
Quality & AI05
Credentials.
Four languages.
Hiring for a staff engineer?
Vamos conversar.
Open to staff / full-stack / DDD-focused roles — remote, based in Brazil from Q3 2026.
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