- Developed APIs for the Zul+ app, which has over 1 million downloads on Android and iOS stores, enabling services such as insurance purchases, IPVA payments, and Zona Azul parking fees, among others.- Lead developer in migrating automations and features from NodeJS in Zendesk to the Intercom CRM, handling a volume of over 300 daily tickets.- Frontend development with ReactJS and Angular, ensuring stability and a seamless user experience on a high-demand platform.- Developed APIs in Kotlin and Java to manage payments, integrate with relational and non-relational databases (Postgres, MySQL, MongoDB), and provide insurance quotes and services from external providers like Veloe and the São Paulo City Hall, among others.- CI/CD and infrastructure: experienced with Hudson and Jenkins for CI/CD; Docker container management in a Kubernetes environment on AWS; monitoring with Grafana.

- Developed web and mobile applications (Android and iOS) in ReactJS and React Native for message control platforms like WhatsApp, Facebook, and Instagram, ensuring efficiency in real-time message management.- Implemented and optimized REST and GraphQL APIs using JavaScript/TypeScript and NestJS with microservices, providing scalability to support thousands of daily requests.- Managed Docker containers with Kubernetes, orchestrating the infrastructure and ensuring 99.9% application availability, optimizing performance in cloud production environments.- Used Git and GitHub for code versioning, collaborating with multidisciplinary teams and applying CI/CD best practices, resulting in a 2x faster feature delivery rate.- Adopted agile methodologies (SCRUM) in weekly sprints, ensuring 100% of projects were delivered on schedule, with a 15% increase in client satisfaction.

- Developed and implemented web and mobile applications (Android and iOS) using Dart and Flutter for personal trainers, providing an experience where both students and trainers can organize, track progress records, and improve training efficiency.- Utilized serverless architecture with Firebase, ensuring automatic scalability and a 15% reduction in operational costs compared to traditional backend solutions.- Managed code versioning with Git and GitLab, automating CI/CD processes, which reduced integration and delivery time for new features.- Applied agile methodologies (SCRUM) in weekly development cycles, ensuring 100% of sprints were completed within defined deadlines.- Performed integrations and optimizations of REST APIs, reducing response times by 20% and enhancing the overall real-time performance of the applications.

- Developed and maintained the Vuca Food app using JavaScript and React Native, focusing on delivery, digital menu, and waitlist features. The app was successfully implemented and achieved an adoption rate 15% above average compared to competing solutions.- Designed responsive and intuitive interfaces based on UX/UI principles, enhancing user experience and leading to an increase in customer retention.- Published the app on Google Play and Apple Store, managing the entire launch cycle, including post-release bug resolution.- Implemented integrations with REST APIs, ensuring efficient data communication between frontend and backend.- Managed code versioning with Git and GitHub, applying best practices in version control and team collaboration.

- Performed maintenance on over 100 computers and IT equipment, ensuring continuous functionality.- Provided technical support to 100+ internal employees, promptly resolving IT-related issues, which led to a 20% increase in user satisfaction.- Assisted in the maintenance and optimization of local networks, contributing to network stability and improved connectivity.