Matheus – Node.js, React, Flutter

There were three main projects:

• Flutter Project to connect with BLE crimpers to execute crimping on hoses using Flutter, Firebase, BLoC, and Provider;
• React Native App to serve as a new Search engine, with no bias and censoring, used React Native, Hooks, API integration, Go Backend;
• React Dashboard with Redux, API Integration.

• Created front-end architecture;
• Redesigned the existing front end;
• Built front-end components;
• Debugged and resolved the application issues;
• Wrote unit, integration, and e2e tests;
• Integrated with different providers.

The project is a Flutter Desktop Application that is up for RPG players to build and manage their campaigns.

• Made several key features;
• Implemented improvements to current architecture;
• Wrote unit and integration tests;
• Applied the UI Redesign, accordingly to Figma.

A Healthcare company that provides Health Insurance for companies and people, it has its own care search platform, scheduling, and Virtual Care.

• Implemented workflows on the backend;
• Implemented Frontend Features for Signin/Signup workflows;
• Debugged and resolved issues;
• Integrated Protobuf;
• Wrote unit and integration tests.

Digital Wallet for LatAm countries like Brasil, Peru, and Argentina developed using Flutter, Node.js with GraphQL, and Firebase.

• Conducted code review sessions, focusing on service quality and performance;
• Integrated with serverless Node.js services;
• Debugged and resolved the application issues;
• Wrote unit, integration, and e2e tests;
• Created solutions for complex architectural problems;
• Helped junior developers to solve their problems by leading them to find solutions.

Investment Banking Mobile App that used multi-package architecture and worked on the Onboarding package to make better the user experience for the signup flow.

• Worked with complex front-end architecture;
• Redesigned the existing front end;
• Built front-end components;
• Debugged and resolved the application issues;
• Wrote unit, integration, and e2e tests.

Libras was a project created for Chevrolet as a marketing campaign to raise awareness about deafness. It was an experience based on hand detection through the camera. When you showed your hand, a deaf version of a video would play, and when you removed your hand from the camera frame, a non-deaf version would play.

• Created all the experience based on pre-existent designs;
• Implemented Machine Learning algorithms to detect the user hand;
• Created the whole infrastructure of the project with AWS.

A technology company offering a complete interface for store owners who want to enter the online sales market.

• Focused on architectural issues to improve the quality of the product;
• Conducted code review sessions;
• Created a web crawler service to look up the best price for each product;
• Helped junior developers with more complex problems.

A fully licensed fintech company that offers a proprietary Embedded Finance Platform, allowing any company to integrate financial services into its core business.

• Created front-end and back-end architecture;
• Implemented advanced features;
• Redesigned the existing front end;
• Built front-end components;
• Built back-end microservices;
• Debugged and resolved the application issues;
• Wrote unit, integration, and e2e tests;
• Integrated with different providers and APIs.

This Marketing Hot Site was intended for a Black Friday promotion for customers and non-customers of Azul Airlines, the Front-end basically collected user data, aligned with the country data-privacy laws, while the backend stored the generated leads, and generated reports for the Marketing team, to define the prize winners.

• Created both front-end and back-end environments;
• Created the UI based on pre-defined designs;
• Created the project infrastructure in AWS.