As a freelance AI Engineer, I built production-grade Generative AI, LLM, and RAG applications for clients across Brazil. I optimized RAG pipelines to reduce response times by 20% and set release-gating evaluations for retrieval and answer quality.
I designed AI agents and intelligent assistants that integrate APIs, databases, and documents, with fallback and human-in-the-loop policies for high-risk cases. I also established tracing, observability, and cost-latency monitoring for Python and FastAPI services.
At Repay, I designed Java and Golang microservices for payment-processing and financial-services workflows on AWS. I integrated WEX credit card and virtual card services and operated production systems using Kubernetes, Docker, and monitoring tools.
Earlier, at Blackstone, I worked on Kafka-based systems and PostgreSQL data models for credit and payment platforms. At Dataprev, I built Java and Spring Boot services for Brazilian government systems, including APIs, ETL pipelines, and fraud-prevention workflows.
