Fullstack Developer (main engineer) - Certificada EC

Migrated business logic and billing systems to modern APIs, improving feature delivery and legal compliance. Enhanced security in PHP applications and enforced coding standards. Integrated observability tools with Grafana, doubling response times to incidents. Managed CI/CD with GitHub, automating linting, testing, and deployments. Led AWS infrastructure migration and refactored codebases, cutting billing errors by 50%. Ensured data integrity with idempotent mechanisms and optimized queuing with BullMQ and Redis, reducing known errors by 99%.

Fullstack Developer - FiftyFlowers

Developed machine learning scripts, data migrations, and APIs in Python. Built Shopify APIs with Express and TypeScript using AWS Lambda. Created front-end apps with React, Tailwind, Remix, and ShadCN, and back-end apps with Hono and Drizzle. Designed serverless solutions with Node.js and deployed Dockerized services on EC2, including Grafana and Hopscotch. Maintained and improved a large PHP system with a Laravel API and a complex admin panel.