Rosniel Miguel — Senior Full Stack Developer

I'm Rosniel — a curious creator who loves crafting scalable experiences. Senior full stack developer in Curitiba, BR: Python on the back, React on the front, and a soft spot for building small AI tools.

work

ALAMOPS2025 – now

Inovação Fiscal2024 – 25

Servicios Médicos Cubano2023 – 24

Freelancer2022 – now

projects

gozaJul 2026

professional ragApr 2026

puro doceJun 2026

toolbox

backendwhere I live

Python

Django

FastAPI

Flask

Node.js

Nest.js

frontendwhat people see

React

Next.js

TypeScript

JavaScript

Tailwind

Material UI

databasesthe source of truth

PostgreSQL

MySQL

MongoDB

Redis

SQLite

devops & cloudship it

Docker

Nginx

AWS

Azure

Vercel

CI / CD

testing & practicekeep it working

PyTest

Jest

TDD

Code review

Scrum

ai & llm appsthe new toys

RAG

ChromaDB

OpenAI

Gemini API

Claude Code

Agent skills

about

a little about meCuritiba, BR

GitHub@Ross-cripto

LinkedInrosniel-allesta

Emailr16221639@gmail.com

Rosniel Miguel · Curitiba, Paraná, Brasil
design after ja.mt · built with Next.js, no UI library