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luizbrandao13/README.md

Hi, I'm Luiz Filipe 👋

Back-End Developer focused on C# / .NET, with solid experience in data (SQL Server and PostgreSQL) and applied AI when products need grounded context and reliable answers.

I've been in tech since my twenties. Today I design APIs, integrations, and data-driven services—from relational modeling to LLMs with RAG, evaluation, and local inference where it makes sense.

  • 🔭 ASP.NET Core, integrations, and persistence on SQL Server and PostgreSQL
  • 🌱 Software architecture, DevOps, and AI engineering (RAG, evaluation harnesses, training for local models)
  • 🌐 JavaScript and Angular when the solution includes a UI (e.g. CDB Calculator)
  • 💼 Open to Back-End Developer roles and projects that combine data + AI

Featured projects

Project Summary
cdb-investment-calculator .NET 10 API (Domain/Application layers), xUnit tests, CDB yield calculation, and an Angular client
fintech-aurea-bank Digital account dashboard (FIAP) built with HTML, CSS, and Tailwind

Artificial intelligence

I work at the intersection of product software and model-powered systems:

  • RAG — context retrieval (vector stores + documents), prompt assembly, and answers grounded in what the organization actually knows.
  • Evaluation harnesses — test suites, metrics, and regression to compare prompt, model, or pipeline versions before production.
  • Local AI — experimentation with fine-tuning/training and on-prem or controlled-environment inference, reducing reliance on external APIs alone.

Typical stack in this space: Python for orchestration and experiments; .NET services when the business core already lives on the Microsoft stack.


Stack

Languages & runtimes

C# .NET Rust JavaScript Angular Python

Databases

SQL Server PostgreSQL MySQL MongoDB

AI, DevOps & tools

Docker Git Postman Visual Studio VS Code

Kubernetes and Terraform — learning and hands-on in lab environments.


GitHub

GitHub stats Most used languages


Find me

LinkedIn GitHub

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