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dclaumanndeveloper/README.md
Diego Ramos Claumann — Full-Stack Developer, Paraná, Brazil

English · Português

Full-stack developer building web products at New Music Brasil, working with React, C#/.NET and SQL. I like pragmatic, well-structured code — and I'm usually the one taking things apart just to see how they work.

LinkedIn · Email

🚀 Featured projects

PeopleBuy API 3.0

REST API for a marketplace, covering users, offers, categories, reviews and nearby-offer search.

  • Stack: C#, ASP.NET Core, Entity Framework Core, SQL Server.
  • Explore: JWT authentication, Swagger documentation and geolocation with the Haversine formula.
  • Quality: Tests for geolocation, CPF/CNPJ validation and password hashing.

Code and setup guide

Organizer

Desktop application that sorts files by extension, category or optional local AI suggestions.

  • Stack: Python, Tkinter, optional Ollama integration.
  • Explore: Preview before moving files, undo, duplicate detection and custom rules.
  • Quality: Automated tests and CI across Linux, Windows and macOS.

Code and setup guide

MLImoveis

Educational machine learning application for estimating property prices in Maringá, Paraná.

  • Stack: Python, scikit-learn, pandas, Streamlit and FastAPI.
  • Explore: Model comparison with cross-validation, a web interface and a REST API.
  • Quality: Automated tests, CI and training metrics.
  • Scope: Uses synthetic data. Results demonstrate the ML pipeline and do not establish accuracy on real market prices.

Code, setup and model limitations

💼 Experience

Full Stack Developer · New Music Brasil · Full-time

Working on web products with React, C#/.NET, SQL and REST APIs, connecting user interfaces with backend services and data.

🧰 Main stack

Frontend

React TypeScript JavaScript HTML5 CSS

Backend

C# .NET Node.js REST APIs

Data

SQL

AI & automation

Python scikit-learn FastAPI Streamlit

Tools

Git GitHub GitLab VS Code

🎓 Education

Postgraduate qualification in Artificial Intelligence and Machine Learning · UniCV · Completed in 2026

For a practical example of my interests in this area, explore MLImoveis.

Animation of Python machine learning code

🧭 Currently

  • Deepening my skills in React, Next.js, Node.js, C# and SQL.
  • Open to new opportunities and collaborations.
  • Big fan of The Lord of the Rings 🧙‍♂️ and Harry Potter ⚡️ — and generally curious about how things work.

📊 GitHub activity

Diego's GitHub statistics
Snake animation of my GitHub contributions

📬 Connect

LinkedIn · Email · GitLab · Instagram



Dinosaur game animation

Pinned Loading

  1. canvas-v2 canvas-v2 Public

    TypeScript

  2. coritiba-theme coritiba-theme Public

  3. InventivaTimer InventivaTimer Public

    TypeScript

  4. PeopleBuyAPI3.0 PeopleBuyAPI3.0 Public

    C#

  5. MLImoveis MLImoveis Public

    Python 1