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becastellani/README.md

👋 Bernardo Castellani

Full Stack Developer · PHP & Node.js · Fintech & Microservices

I build and maintain systems where downtime and bugs cost real money. Currently working at Sicredi Vale do Piquiri, a credit cooperative, developing microservices for debt collection and financial reconciliation — PHP orchestrated in Kubernetes, integrated with core banking and credit bureaus.

Before that, spent ~2 years at Alow modernizing legacy ERPs in Laravel/Symfony: cut API response times by 30% with Redis caching, replaced ~20h/week of manual work with Puppeteer/Selenium automation, and implemented async processing with RabbitMQ for payment and email workflows.

I care about production stability, clean integrations, and solving problems that actually matter.

🛠 Stack

Backend PHP (Laravel / Symfony) Node.js (NestJS) Python Go

Frontend React TypeScript JavaScript HTML5 / CSS3

Data PostgreSQL MySQL Oracle SQL Server Redis

Infrastructure & Integrations Kubernetes Docker RabbitMQ CI/CD RESTful APIs Linux

Tooling Puppeteer Selenium Pandas Git

📌 What I've been working on

  • Fintech microservices — debt collection system for a credit cooperative, with integrations to core banking and credit bureaus (PHP + Kubernetes + SQL Server/PostgreSQL)
  • ETL pipelines — point-in-time data processing with Python/Pandas for financial reconciliation and migration
  • ERP modernization — legacy PHP refactoring, Redis caching, async queues with RabbitMQ
  • Web automation — Puppeteer/Selenium integrations replacing systems with no API

🚀 Projects

Project Description Stack
ActionPlanner Task management system with professional dashboard, full CRUD and JWT auth Angular · Node.js · TypeScript · PostgreSQL
Price Tracker Concurrent price scraper for e-commerces using goroutines with configurable alerts Go · Goroutines · PostgreSQL · REST API
CorpSync MDM Mobile device management system with Flutter/Kotlin agent and real-time analytics dashboard Flutter · Kotlin · Node.js · React · PostgreSQL
RemoteMouse Flutter app to control your computer remotely via smartphone over Socket.IO Flutter · Dart · Python · Socket.IO

🔗 becastellani.dev — full portfolio · live projects · contact

📊 GitHub Stats


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