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JoaoPec/README.md

João Curcino

Software Engineer • Full-Stack • Financial Systems

🌐 Portfolio • 📩 Email • 💼 LinkedIn

Full-stack software engineer at Infocraft (2024–), building everything from mobile apps to production APIs and infrastructure. Focused on financial systems (PIX, boletos, credit card), event-driven architecture (Kafka) and real-time products with NestJS, Flutter, Next.js and Laravel.

🚀 Featured projects
🧥 Vistta — C2C marketplace for second-hand fashion. NestJS backend, Next.js web and Flutter mobile. Real-time chat, listings & transactions. 👻 FormPhantom — Chrome extension that auto-fills job application forms. Persistent profile, PDF extraction and smart field matching (LinkedIn, Gupy, Greenhouse, Lever…).
📱 Toque Duplo — Investigative thriller game (Flutter): explore the seized phone of a man who turns out to be three men. 📈 Markowitz — B3 portfolio optimization in Python: efficient frontier, risk vs return, financial modeling.

🧠 Stack

Backend Node.js NestJS Laravel Go

Frontend & Mobile Flutter Next.js React

Data & Infra PostgreSQL MongoDB Docker Linux Kafka

Pinned Loading

  1. TwilioBG TwilioBG Public

    Worker em Node.js para enviar lembretes agendados via WhatsApp usando Twilio e MongoDB.

    JavaScript

  2. goWallpaper goWallpaper Public

    TUI em Go para listar wallpapers e definir o plano de fundo com feh.

    Go

  3. Fronteira-de-Markowitz Fronteira-de-Markowitz Public

    Análise em Python da fronteira eficiente de Markowitz para carteiras da B3.

    Python

  4. historiasVivas historiasVivas Public

    Plataforma Laravel para registrar e organizar memórias multimídia.

    Blade

  5. formphantom formphantom Public

    Extensão Chrome que preenche automaticamente formulários de candidatura a vagas com perfil persistente, extração de PDF e matching inteligente.

    JavaScript

  6. inlabs-api inlabs-api Public

    API proxy/cache em FastAPI para o Diário Oficial da União (INLABS) — consulta atos normativos federais com cache inteligente, sessão reutilizável e proteção contra rate-limit.

    Python