Design of software solutions for business use cases (infra: AWS; CI/CD: Azure Devops).Built a serverless application withNode.Js to create content powered by AI for the company's blogs.Refactored to Clean Architecture, improved and maintained another serverless application built with Node.Js: - Responsible for managing data coming from multiple sources, passing by the application, to our CDP; - Responsible for CDP management and final data destination.Built unit, integration, and E2E tests covering 100% of the Node.Js applications.Responsible for one of the micro-frontends of the company's website (non-logged-in user area) built with React.Improve projects (Node.Js, Angular, Flutter and React) of other teams' ownership to fulfill our client's needs.Introduced coding best practices to the team and helped develop junior and mid-level software engineers.

Design and development of a marketplace.Frontend development for management in React.Development of consumer application in React Native.API development using Node.js and Express.js, following object-oriented principles, SOLID, DDD, Clean Code, and Clean Architecture.Implementation of endpoints with JWT authentication and integration with frontend.Integration of applications with Pagar.me payment service API.Data modeling and management using PostgreSQL and ORM Prisma.Creation of tests using Vitest and Supertest.Implementation of caching strategy and request limiting with Redis.Version control with Git and CI/CD using Github Actions and providers.Other technologies and services used: Docker, Context API, Axios, Tailwind, Native Base, Expo, ESLint, Yup, React Hook Form, React Navigation, Reanimated, EJS, Handlebars, Nodemailer, Multer, AWS S3, Tsyringe, Twilio, One Signal, Render, Planet Scale, Sentry, App Center.

Participation in requirements gathering, strategy elaboration, and web application design.Backend application development (RESTful API) using Node.js and Serverless Functions.Development of responsive frontend applications using HTML5, CSS3, and Javascript.Data modeling and management with NoSQL database (MongoDB).Integration of applications with third-party SOAP and RESTful APIs and services.Code versioning with Git and GitHub.Troubleshooting, debugging, maintenance, and refactoring of applications.Development of small pieces of software to fill the company's ERP gaps.

Design and development of a mobile application using Flutter.Backend structuring with Firebase, utilizing services such as NoSQL database, user authentication, file storage, and serverless functions.