Available for new projects

Full Stack DeveloperHello, I'm Ranielli Montagna

A Full Stack Developer passionate about creating exceptional digital experiences

I have experience in developing web and mobile applications, with a focus on quality, performance, and usability.

Technologies I master

React
React Native
TypeScript
Node.js
Tailwind CSS
Figma
PostgreSQL
Learn more about me

About Me

Ranielli Montagna

Hello! I'm Ranielli Montagna, a full stack developer passionate about turning ideas into innovative digital solutions. With over 3 years of experience, I specialize in creating web and mobile applications that combine exceptional functionality with intuitive design.

My journey began with a curiosity about how things work on the web, and since then I have been developing projects that positively impact people's lives. I believe technology should be accessible and make a difference.

When I'm not coding, you can find me exploring new technologies, contributing to open source projects, or planning my next development adventure.

4+
Years of experience
20+
Projects completed
100%
Dedication

My main skills

Frontend

  • React
  • Next.js
  • TypeScript
  • Tailwind CSS
  • React Native

Backend

  • Node.js
  • Fastify
  • PostgreSQL
  • Prisma
  • JWT

Design

  • Figma
  • UI/UX
  • Prototyping
  • Design System
  • Accessibility

Tools

  • Git
  • Docker
  • VS Code
  • Postman
  • Vercel
Services

How I can help your project

I offer complete development solutions, from conception to delivery, focusing on quality and exceptional results.

Most Popular

Web Development

Creation of modern, responsive and performant web applications using the best market technologies.

What's included:

  • High-conversion landing pages
  • Complete e-commerce
  • Administrative dashboards
  • REST and GraphQL APIs
  • External services integration

Mobile Development

Native and hybrid applications for iOS and Android with exceptional user experience.

What's included:

  • React Native apps
  • Native interface
  • API integration
  • Push notifications
  • App store publishing

Performance Optimization

Improve the speed and performance of your existing website or application.

What's included:

  • Complete audit
  • Image optimization
  • Code splitting
  • Lazy loading
  • Core Web Vitals

Technical Consulting

Specialized guidance for technical decisions, architecture and best practices.

What's included:

  • Architecture analysis
  • Code review
  • Technology selection
  • Technical mentoring
  • Project planning

Ready to start your project?

Let's talk about how I can help turn your idea into reality.

My professional journey

Professional Experience

Over 3 years building innovative solutions in companies of different sizes and segments, always focused on delivering value and growing technically.

Luizalabs logo

Mid-level Developer

Luizalabs

October 2023 - Present
Remote
Current

I am part of the Luizalabs team, the technology innovation unit of Magalu, one of Brazil's largest retailers. I develop and maintain web and mobile applications for physical store operations, as well as robust and scalable APIs and backend solutions.

Key achievements:

  • Development of applications for retail operations
  • Maintenance of APIs and backend solutions
  • System integration in a high-impact environment
  • Work with modern and scalable technologies

Technologies used:

ReactReact NativeNode.jsGoAPIs REST
Smarten logo

Front-end Tech Lead

Smarten

May 2022 - September 2023
Remote

I led a team of developers, ensuring code quality and application optimization. I created and maintained the corporate design system, and implemented monitoring and CI/CD solutions, boosting the efficiency and stability of the products.

Key achievements:

  • Technical leadership of a developer team
  • Creation and maintenance of a design system
  • Implementation of CI/CD and monitoring
  • Performance and scalability optimization

Technologies used:

JavaScriptReactDesign SystemCI/CDMonitoramento
SBSistemas logo

Front-end Developer

SBSistemas

May 2021 - May 2022
On-site

First professional experience in the technology field, where I consolidated my technical foundation in front-end development. I developed applications using modern technologies and implemented best development practices.

Key achievements:

  • First professional experience in tech
  • Development of front-end applications
  • Consolidation of a solid technical foundation
  • Implementation of best development practices

Technologies used:

ReactElectronTypeScriptJavaScriptFront-end
Project Portfolio

My Projects

A selection of my most recent works, including web, mobile, and API applications that demonstrate my technical skills.

Featured Projects

Web

North Clinic - Management System

Complete management system for clinics and offices, with online scheduling, electronic health records, financial control, and billing.

JavascriptGolangREST API
Mobile

Magalu Stockist Mobile

Corporate superapp for stockists at Magalu's physical stores, optimizing inventory control, goods receipt, and dispatch.

React NativeTypeScriptMicro-frontend
Web

Pratio - POS for Restaurants

Point of sale (POS) and management system for bars and restaurants, with table and order control, NFC-e issuing, and a digital menu.

ReactElectronTypeScript
Web

North Clinic - Management System

Complete management system for clinics and offices, with online scheduling, electronic health records, financial control, and billing.

JavascriptGolangREST API
Mobile

Magalu Stockist Mobile

Corporate superapp for stockists at Magalu's physical stores, optimizing inventory control, goods receipt, and dispatch.

React NativeTypeScriptMicro-frontend
Web

Pratio - POS for Restaurants

Point of sale (POS) and management system for bars and restaurants, with table and order control, NFC-e issuing, and a digital menu.

ReactElectronTypeScript
Web

Smart Design System

A design system based on Material Design, aimed at standardizing product interfaces to improve the user experience.

StorybookMaterial-UIEmotion
Mobile

Além do Arco-Íris App

The 'Além do Arco-íris' app offers the course 'Ally: a holistic approach to LGBT+ health' to empower healthcare professionals in assisting the LGBT+ community.

FlutterDartFirebase
Api

Motivium Bot

A custom Discord bot built with TypeScript and Discord.js. It leverages financial APIs to deliver automated currency updates and includes a scheduled messaging system.

Node.jsDiscord.jsREST API
Web

Tab Switch

A browser extension that allows automatic rotation between open tabs, closing other non-configured tabs. Ideal for presentations, monitoring dashboards, and other situations where tab rotation is needed.

ReactWebExtensions APITypeScript
Api

PDF Generator API

A high-performance API for dynamic PDF generation, engineered with Fastify, TypeScript, and PDFKit. It leverages TypeBox for robust, type-safe request validation, providing a scalable and reliable document creation service.

Node.jsFastifyPDFKitTypeBox
Web

Senna Design System

A design system used for Next.js projects, with the goal of standardizing product interfaces to enhance the user experience.

Next.jsShadcnStorybook
Open Source

Want to see more projects? Explore my GitHub repository with over 100 open source projects!

50+
Public repositories
1K+
Commits this year
Explore on GitHub
Get in Touch

Let's work together

I'm interested in freelance or full-time opportunities. If you have a project in mind or just want to chat, I'd be happy to talk.

Contact methods

Direct email

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LinkedIn

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WhatsApp

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Ranielli Montagna - Full Stack Developer