Description

Senior AI Engineer building production-grade systems at scale. 12+ years in tech, last 2 focused entirely on AI: RAG, multi-agent architectures, and large-scale data infrastructure.

Recent work:

- Polímero — hospital data observatory processing 296.9M records (83.3GB) in PostgreSQL with pgvector, achieving 99.91% accuracy against official EBSERH healthcare benchmarks

- Nexo Growth Squads — open-source multi-agent framework with 196 specialized agents organized in 15 functional squads

- Nexo Analytics — AI CRM for schools with LLM-driven churn analysis and Twilio WhatsApp integration

Earlier career:

- IT Coordinator at Ceará State Health Secretariat — 146-person team, built IntegraSUS COVID-19 analytics platform from scratch (CIO Gov Brazil Success Case)

- Business Executive at ETICE — led state-level digital infrastructure including 5,888 km fiber network and 400 Gbps public safety backbone

- Co-author of "Predictive models to the COVID-19" published in Elsevier (2021)

How I work: async-first, ship production systems (not POCs), document architecture decisions clearly. Comfortable with end-to-end ownership, from data layer to LLM integration to deployment.

Available for: AI engineering, RAG system design, multi-agent architecture, data infrastructure for AI products, technical advisory.

Industry field of expertise

Languages

Portuguese
Native or bilingual
English
Conversational
Spanish
Basic

Workplace preferences

Remote only

Primarily works remotely

Nexo Ecosystem & Axis Intelligence
Founder & AI Engineer
August 2025 - Today (10 months)
Fortaleza, Brazil
- Built Polímero, a hospital data observatory processing 296.9M records (83.3GB) in PostgreSQL with pgvector — achieves 99.91% accuracy against official EBSERH healthcare benchmarks
- Architected Nexo Growth Squads, an open-source multi-agent framework with 196 specialized AI agents organized in 15 functional squads (github.com/RamsesFelipe/nexo-growth-squads)
- Designed and shipped Nexo Analytics (AI CRM for schools with churn/sentiment LLM workflows) and Nexo Creator Hub (multi-agent marketing platform integrating Meta, Google, YouTube and TikTok APIs)
- Operated Axis Intelligence: 60+ automated crawlers feeding an LLM pipeline for media intelligence
- Stack: Python, TypeScript, Next.js, PostgreSQL/pgvector, OpenAI/Claude/Gemini SDKs, LangChain, Docker, Airflow, Supabase, AWS/Azure/GCP
PostgreSQL AI Agent Python LLM RAG
ETICE (Government of Ceará)
Business Executive
April 2021 - June 2025 (4 years and 2 months)
Fortaleza, Brazil
- Led tech strategy for Cinturão Digital, a 5,888 km fiber-optic backbone connecting 136 of 184 municipalities in Ceará state
- Architected and procured a 400 Gbps public safety backbone supporting statewide emergency and law enforcement operations
- Co-designed the URN/UST procurement model adopted by Ceará state for technology contracts
- Led tech design for Safe Stadium facial recognition system used in public security operations
- Selected as CIO Gov 2025 Finalist for technology leadership at ETICE
- Represented Ceará in the 2025 ABEP-TIC international mission to Madrid, London and Paris
Public relations Project Management Technical project management Tech Lead Business analysis
Ceará State Health Secretariat (SESA)
IT Coordinator
February 2019 - April 2021 (2 years and 2 months)
Fortaleza, Brazil
- Led 146-person IT team responsible for the entire technology operation of the State Health Secretariat of Ceará
- Built IntegraSUS analytics platform from scratch during COVID-19 — became the primary public dashboard for pandemic monitoring across the state
- Recognized with CIO Gov Brazil Success Case for IT response to COVID-19
- Co-authored "Predictive models to the COVID-19" published in Elsevier (2021) and Kalman Filter + AutoML research in Soft Computing journal (2021)
- Managed digital transformation across health units, hospitals and regional offices
Data Engineer Python Team management Business analysis Microsoft Power BI