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RanielliMontagna/README.md

Ranielli Montagna - Full Stack Software Engineer

Ranielli Montagna

Full Stack Software Engineer

Typing SVG

I build web and mobile products, REST APIs, micro frontends and product interfaces where architecture, performance, accessibility and user experience need to work together.

Website LinkedIn Email Resume

About

I'm a full stack software engineer with 5+ years of experience building scalable web and mobile applications with React, React Native, TypeScript, Node.js and Next.js.

At Luizalabs, I worked on solutions for Magalu physical store operations, contributing to inventory and logistics workflows across 1,000+ stores and the daily routine of 1,000+ stock clerks. I also led frontend initiatives in SaaS products, created a Design System adopted across multiple products, implemented quality standards and mentored developers.

Lately, my focus has expanded into AI applied to software development: LLM integrations, automation, agents and Model Context Protocol workflows that improve product delivery and developer productivity.

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What I Build

Area Focus
Web applications Product interfaces, dashboards, landing pages, e-commerce and SaaS platforms
Backend and APIs REST APIs, integrations, authentication, data modeling and scalable services
AI integration LLM features, chat assistants, workflow automation and custom agents
Mobile products React Native apps, API integrations, offline flows and operational tooling

Stack

React Next.js TypeScript React Native Node.js PostgreSQL Tailwind CSS Docker Vercel GitHub Actions Figma AI

Experience

Company Role Scope
Luizalabs Software Engineer Web and mobile products, REST APIs, integrations and micro frontends for national retail operations
Smarten Front-end Tech Lead Frontend architecture, Design System, CI/CD, monitoring, mentoring and product delivery
SBSistemas Front-end Developer React, Electron, TypeScript, reusable components and interface engineering practices

GitHub Activity

Recent GitHub activity graph

Public GitHub metrics are useful context, but they do not represent the full scope of production work, private repositories or business impact.

Contact

I'm available for freelance projects, product engineering work and technical conversations around web, mobile, APIs and AI-assisted development.

Built with the same care I try to bring to product interfaces: clear structure, useful details and no broken noise.

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  1. desafio-luizalabs desafio-luizalabs Public

    O projeto consiste em um serviço de consulta de CEP, onde o usuário informa o CEP e obtem informações como logradouro, bairro, cidade e estado.

    TypeScript

  2. coin-keeper coin-keeper Public

    Your Financial Guardian. Track expenses, save money, and achieve financial goals effortlessly with this intuitive app. The perfect guardian for your finances.

    TypeScript

  3. coin-keeper-api coin-keeper-api Public

    Backend for the Coinkeeper app, providing effortless expense tracking, money-saving, and financial goal management.

    TypeScript

  4. nextlp nextlp Public

    Mostrando ao mundo quem sou através do meu portfólio pessoal.

    TypeScript