MJ

Maria Juliana

Building digital products...

Full Stack Developer ยท AI Product Builder

I turn ideas into digital products.

I build complete web products from concept to launch: clean interfaces, backend logic, databases, automation and AI-powered features.

Full stack and AI product builder illustration

Portfolio

Products I have built

A selection of projects where I combine frontend, backend, databases, artificial intelligence, automation and product thinking.

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AI Product Mentor

Available

An AI-powered product assistant that helps Product Owners move from messy ideas to structured user stories, PRDs and prioritization inputs.

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https://github.com/Marias03/ai-product-mentor

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LockPoint

https://github.com/Marias03/-Electronic-Locker-System

Available

A digital luggage storage system designed mainly for airports. It integrates three locations: Moscow, Kazan and Saint Petersburg, with reservations, admin management, email PIN delivery and operational logic.

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https://electronic-locker-system.vercel.app/

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LATAM Association

https://github.com/Marias03/Latam

Available

A real multilingual platform for the Latin American Association in Kazan, connecting events, procedures, representatives and chatbot support.

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https://asocialatam.vercel.app/en

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PigeonFree

https://github.com/Marias03/pigeonfree

Available

An application designed to help people with columbophobia, commonly known as fear of pigeons, by creating safer urban routes through risk prediction using geodata, weather and city context.

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https://github.com/Marias03/pigeonfree

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Stack

Technologies I use to build

Technologies I use to build full-stack products, AI features, dashboards, databases and production-ready web applications.

Next.js

React

TypeScript

Tailwind CSS

Python

FastAPI

Supabase

PostgreSQL

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Ollama

Git

Vercel

Docker

Postman

Node.js

Prisma

Grafana

GitHub

Prometheus

Yandex Metrica

Yandex Metrica

RAG

RAG

Have an idea that needs to become a real product?

I am open to full-stack, frontend and AI product roles where I can build useful, practical and user-centered digital solutions.