São Paulo, Brazil · saulojoel@icloud.com · GitHub · LinkedIn
I am a Computer Engineering graduate, Master's in Computational Intelligence (UFPA), and currently a Ph.D. candidate in AI (UFABC). I'm currently serving as an AI Specialist at Safra National Bank. Previously, I contributed to the development of “Inteligência de Investimentos Itaú” — the first generative AI powered investment assistant in Brazil, launched by Itaú Unibanco on June 5, 2025 (Itaú citation, Estadão citation).
- Architect and maintain end-to-end AI pipelines: RAG, fine-tuned LLMs, advanced prompt engineering, integrations with AWS, Azure, GCP.
- Build autonomous, multi-agent systems using ReAct, Chain-of-Thought, Tree-of-Thought, orchestrated with LangChain, LangGraph, OpenAI Tools.
- Lead integrations with REST/GraphQL APIs, Databricks Lakehouse, vector stores (MongoDB, Pinecone), while applying MLOps best practices, Git versioning, and CI/CD for traceability and scalability.
- Serve as technical reference: conduct architecture reviews, code reviews, observability, governance, production monitoring, and incident response.
- Collaborate with Business, Risk, UX, Compliance, and Engineering teams to deliver compliant and robust AI-driven products.
- Active contributor to the GenAI open-source community and with 2.5 years of experience teaching AI, Big Data, and Programming — translating complex concepts into accessible, impactful learning.
| Domain | Tools & Technologies |
|---|---|
| Cloud & Infrastructure | AWS, Azure, GCP, Databricks Lakehouse |
| AI & Modeling | RAG, LLM fine-tuning, prompt engineering, LangChain, LangGraph, OpenAI Tools |
| Autonomous Agents | ReAct, Chain-of-Thought, Tree-of-Thought, multi-agent architectures |
| Data & Integration | REST, GraphQL, MongoDB, Pinecone |
| Engineering & DevOps | MLOps, Git, version control, CI/CD |
| Observability & Governance | Monitoring, metrics, production governance |
| Collaboration & Leadership | Code reviews, architectural design, cross-functional teamwork, responsible AI |
| Education & Outreach | Open-source, GenAI contributions, teaching, technical evangelism |
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Inteligência de Investimentos — Itaú Unibanco
Played a leading role in designing and deploying the first generative AI-based conversational investment assistant in Brazil. Launched June 5, 2025, it serves customers 24/7 via Itaú’s Super App, delivering hyper-personalized recommendations and enabling direct fixed-income transactions like CDB-DI in chat. -
GitHub Stats & Languages
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Featured Repository
- File Analyzer with Flask & Azure OpenAI — A dynamic tool integrating Flask and Azure OpenAI for intelligent file analysis.
- Email: saulojoel@icloud.com
- GitHub: github.com/sauloleite
- LinkedIn: linkedin.com/in/saulojoel