Filipi Fortunato, Developer in Contagem - State of Minas Gerais, Brazil
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Filipi Fortunato

Software Developer

Contagem - State of Minas Gerais, Brazil

Toptal member since September 8, 2025

Expertise
Full-stackFront EndBack-end DevelopersTypeScriptReact.jsNestJSJavaScriptNode.jsREST APIHTML5React NativeReduxDashboardCSS
Bio

Filipi is a full-stack developer with 5+ years of experience building scalable web and mobile apps using modern JavaScript technologies. He's passionate about clean code and performance, contributing to cross-functional teams on long-term projects. Filipi is skilled in front-end systems (React, Next.js, React Native), back-end technologies (Node.js, NestJS, GraphQL, REST), databases (PostgreSQL, MongoDB, Redis), and DevOps tools (Docker, NGINX, PM2).

Portfolio

SEIDOR
JavaScript, TypeScript, React, React Native, NestJS, SAPUI5, Node.js...

Experience

  • React - 5 years
  • NestJS - 5 years
  • TypeScript - 5 years
  • React Native - 4 years
  • SAPUI5 - 3 years
  • PostgreSQL - 3 years
  • MongoDB - 3 years
  • Next.js - 2 years

Preferred Environment

Linux, Visual Studio Code (VS Code), Git, GitHub, GitLab, Postman, Jest, pgAdmin, MongoDB Compass, NestJS, MongoDB

The most amazing...

...system I've built with NestJS and MongoDB is a scalable stock data platform that processes millions of financial records daily.

Work Experience

Senior Full-stack Developer

2020 - PRESENT
SEIDOR
  • Developed SAPUI5 workflows and back-end services with Node.js/CAP, improving automation for enterprise clients.
  • Designed REST APIs with NestJS and PostgreSQL, ensuring reliable communication between core business systems.
  • Collaborated in Agile teams (Scrum), delivering features in short cycles and reducing time-to-market.
  • Implemented cloud-based integrations with BTP and S/4HANA, enhancing process efficiency and scalability.
Technologies: JavaScript, TypeScript, React, React Native, NestJS, SAPUI5, Node.js, PostgreSQL, Authentication, Full-stack, Reports, Radix UI, API Integration, APIs, Full-stack Development, CSS, Front-end, HTML, Back-end, Prisma, Mobile Development, Expo, Supabase, Front-end Development, Redux, REST APIs, HTML5

Experience

Invest Fácil Hub

This project involved developing a responsive front end with Next.js, ShadCN UI, and Tailwind CSS. I also built scalable back-end services with NestJS, applying DDD and clean architecture. I implemented RESTful APIs for financial and stock market data and managed data with MongoDB (persistence) and Redis (caching).

In addition, I set up Prometheus and Grafana for metrics, dashboards, and monitoring, and exposed custom app metrics to Prometheus for availability tracking. I ensured reliability with Jest tests and production monitoring and prepared system architecture for future AI/LLM integration.

Education

2024 - 2025

Master's Degree in Systems Analysis and Development

Descomplica University - Belo Horizonte, MG, Brazil

Skills

Libraries/APIs

React, Node.js, REST APIs, React Query, TanStack Table

Tools

Shadcn, SAPUI5, Prisma, Expo, Git, GitHub, GitLab, Postman, pgAdmin, MongoDB Compass, TanStack Router

Languages

TypeScript, JavaScript, HTML5, CSS, HTML, Python, Python 3

Frameworks

NestJS, React Native, Redux, Next.js, Express.js, Tailwind CSS, Jest

Paradigms

Mobile Development

Storage

MongoDB, PostgreSQL

Platforms

Linux, Visual Studio Code (VS Code), Vercel

Other

Authentication, Full-stack, API Integration, APIs, Full-stack Development, Front-end, Back-end, Front-end Development, Tailwind UI, Reports, Dashboards, Radix UI, Supabase, WebSockets

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