Projects - Davi Oliveira

URL Shortener API

URL shortening system with click tracking and QR Code generation. Administrative interface for managing and analyzing access metrics.

Django REST Framework PostgreSQL Docker

0 Python 08/12/2025

Code

Banking System API

REST API with registration, withdrawal, and statement operations for individuals and companies. Clean Architecture, unit tests with Pytest, and business-rule validations.

Flask SQLite MVC Architecture Pytest

0 Python 22/01/2026

Code

Daily Diet API

Complete RESTful API (CRUD) with automatic computation of nutritional metrics. Unit test suite with 95% code coverage.

Flask SQLite Pytest — 95% coverage

0 Python 06/08/2025

Code

Pet Adoption API

Application of Clean Architecture and the MVC pattern for full adoption management. Clear separation of responsibilities: Controllers, Use Cases, Repositories.

Flask Clean Architecture MVC Pytest

0 Python 05/12/2025

Code

Real-Time Chat

Bidirectional instant messaging system using WebSockets.

Flask-SocketIO WebSockets

0 CSS 14/10/2025

Code

JWT Secured Banking API

Banking REST API with JWT authentication, bcrypt password hashing and route-protection middleware. Layered Clean Architecture, Composer pattern and unit tests with Pytest.

Flask PyJWT bcrypt SQLite Pytest

0 Python 25/03/2026

Code

JWT Order API

Order REST API with JWT authentication and authorization, where each user can only access their own data. Layered MVC pattern, dependency injection and full unit test coverage.

Flask PyJWT bcrypt SQLite Pytest

0 Python 03/05/2026

Code

Personal Portfolio

Professional portfolio website with dark theme, Command Palette, contact form, and responsive design.

Python Django CSS JavaScript

0 Python 11/06/2026

Code View site

Python Projects

A collection of hands-on backend projects and exercises in Python: RESTful APIs, web applications, microservices, database integrations and automations, following software architecture best practices.

Python FastAPI Flask Django Docker

0 Jupyter Notebook 23/02/2026

Code

Data Science Projects

A collection of hands-on data science projects and exercises: exploratory data analysis, machine learning, deep learning and predictive analytics applied to real-world problems.

Python Pandas Scikit-learn TensorFlow Jupyter

0 Jupyter Notebook 23/03/2026

Code