Sérgio Fabres

Banco BV: I worked on the development and evolution of the seller platform, creating new features and optimizing system performance using Java and Spring Boot. I participated in maintaining and improving the architecture, ensuring scalability and efficiency.

BTG Pactual:
I led the development of a loyalty and benefits engine for credit purchases, implementing cashback features and integrations with platforms such as Livelo and Esfera. I worked with a scalable microservices architecture, using Spring Boot and Kotlin to ensure high performance and reliability.

I developed and maintained a robust API management platform, implementing features such as API Gateway, tracing, security, and access control. I optimized the system's scalability and reliability, ensuring high performance and security for critical integrations.

I worked as a consultant in the development of microservices using Spring Boot and Node.js, creating scalable and efficient solutions to meet client needs. I focused on delivering high-quality code, ensuring performance, security, and alignment with business objectives.

Acted as a .NET developer building a financial application in a microservices environment, with emphasis in payment processment using RabbitMQ to assure scalability and reliability.

In this role, I developed custom applications for clients, building the backend in Laravel, the frontend with jQuery, and native Android apps in Kotlin. I also worked on a project where the backend was built with Spring Boot and had my first experience with Docker.

I developed a web application as part of a PIBITI project, integrating it with a school timetable allocation algorithm. Initially, I created a prototype using Django to validate the idea and business rules. After validation, I rewrote the backend in Spring Boot with JPA and developed the frontend in Vue.js, ensuring a more robust and scalable solution.