Some projects include database and architecture diagrams created with industry-standard diagramming tools (e.g., DrawSQL, draw.io) as part of the documentation and design validation process.
Curated professional certifications related to software development and backend engineering.
See full documentation and evidence here:
👉 Professional Certifications Repository
- Backend-focused system designed with layered architecture and domain separation.
- Strong emphasis on business rules, validation, and relational integrity.
- Stack: Python (3.13.11), FastAPI, PostgreSQL, SQLAlchemy (2.0.45).
- Includes:
- Technical dossier
- Architectural decisions
- CRUD validation documents
- ER and architecture diagrams
- Designed as a portfolio-grade backend system, not a tutorial project.
🔖 Stable reference version:
For technical evaluation, see Release v1.0.0 (consolidated and validated snapshot).
- Complete platform with fully integrated frontend and backend.
- Backend: FastAPI + Tortoise ORM, JWT authentication, email service, and full CRUD operations.
- PostgreSQL database orchestrated via Docker Compose.
- Includes full documentation and a demonstration video.
- View repository
- Fully playable turn-based RPG.
- Focus on OOP, encapsulation, and modular design.
- Stack: Python, JSON, CLI.
- View repository
- LinkedIn: View profile
- Email: lucaspaiva-lp@proton.me
See full resume here: View Resume


