Matheus De Azevedo Wilberstaedt

I've built and operated production software across SaaS, fintech, e-commerce, and AI. Through MW Developer, I run a multi-tenant white-label SaaS for cleaning businesses that handles scheduling, invoicing, and finances, generating 163 invoices since May and replacing a client's manual spreadsheet operation.

At Essentia Group, I led an Amazon Bedrock and Node.js AI invoice-processing pipeline from hackathon to nationwide production, then extended it with an automatic credit engine that removed commercial-team manual work. I was promoted from mid-level to senior in roughly three months and helped drive the e-commerce stack from Magento and PHP toward Node.js, React, and TypeScript.

I've also integrated payment gateways for a white-label embedded-finance platform, shipped a mobile app used by around 10,000 club members, and built a factory management system used in daily business operations. I enjoy owning products end to end, working asynchronously across time zones, and turning incomplete specifications into maintainable systems real customers use.