Paulo – Python, Flutter, Django

It is a groceries e-commerce that sells Grupo Mateus markets products. Paulo developed the app used internally to collect client order items inside market.

• created front-end architecture;
• lead the developer team (back-end and front-end);
• implemented front-end features;
• implemented back-end features;

It is a AI-powered social media assistant to help influencers manage their social accounts, grow their audience and build content that has more traction with their audience interests.

• made sure existing features mached the app designs
• built complex ui widgets (using CustomPaint and CustomPainter)
• integrated with internal APIs
• built new pages

It is the fourth-largest supermarket network in Brazil, used by thousands of customers for online shopping. Customers can visit the store to get the goods or an option for the purchase to be delivered home.

This exact software orchestrates the interaction between independent drivers (similar to Uber) and the e-commerce orders.

• Created mobile architecture for the new application;
• Integrated mobile app with Firebase Crashlytics and Analytics;
• Worked on the integration of the mobile app with the rest APIs;
• Implemented mobile app pages;
• Contributed through the implementation of backend rest APIs;
• Created backend logging strategy.

It is a platform that scans official government sites for "Official Diaries" document publication and provides access to them in a single location with filtering options. The platform uses the dataset and APIs and focuses only on environmental-related documents. Users can search and save searches to receive email alerts. Both projects run the same instance of alerts but with different configurations and some minor tweaks.

• Created REST APIs;
• Implemented automated tests;
• Integrated REST API with third-party payment provider;
• Implemented an asynchronous user notification system;
• Configured CI/CD for the staging environment.
• Implemented page designs using React.js

It is a specialized loan company in Brazil. They let you buy goods with their money and pay directly to the seller. Paulo's team was mainly tasked with delivering a new application that used old infrastructure to add a completely new payment method called PIX which is an instantaneous multi-bank money transfer: from signup and KYC to credit analysis and seller payment - this application does it all.

• Created mobile architecture;
• Developed mobile pages;
• Integrated mobile app with KYC service;
• Contributed to the integration of the mobile app with rest API;
• Integrated mobile app with Firebase crashlytics and analytics;
• Refactored and debugged the backend code;

A mobile application that renders custom forms created by health professionals and enables users to collect data using these forms offline.

• Designed the complete solution;
• Created custom form system;
• Implemented the mobile app pages;
• Created a web app for user management;
• Integrated Firebase with BigQuery;
• Iimplemented Firestore security rules.