Rafael Cardoso Email & Phone Number

Cuiabá, Mt, Br

- Developed, supported, and maintained microservices primarily written in Java and Spring for a large financial institution in the insurance sector;- Developed unit, integration, and regression tests using concepts such as TDD and BDD and employing tools like JUnit and Mockito;- Utilized profiling techniques to identify and fix performance issues in applications;- Reduced service time by more than 90% in an application through performance optimizations;- Wrote clean, testable, and maintainable code using concepts from Design Patterns, SOLID, object-oriented programming, and clean code;- Extended and created new relational database schemas (SQLServer);- Implemented caching techniques to reduce bottlenecks in applications (Redis);- Used Docker to study the behavior of applications in different computational resource scenarios through performance and stress tests;- Actively participated in technical discussions aimed at developing scalable and high-performance products;- Migrated services from Java 8 to Java 17;- Migrated applications from Spring 2 to Spring 3;- Conducted technical interviews with candidates;- Mentored interns.

- Led end-to-end development of a web application responsible for managing orders for a passenger and cargo transportation company;- Successfully integrated online payment solutions (Pix and Credit Card) to allow customers to schedule their orders with secure online payments;- Minimized user errors and improved their experience by using the Google Places API to enhance address accuracy;- Provided greater convenience to customers by using the WhatsApp API to send real-time notifications about their order status through the most convenient channel for the target audience;- Significantly reduced application deployment time by utilizing Docker, DockerHub, and CI/CD techniques;- Lowered the client's current infrastructure cost by using NGINX as a reverse proxy;- Designed and developed a RESTful API, prioritizing maintainability and ease of discovery for future developers;- Developed both front-end and back-end components, using Spring Boot and Angular with Angular Material focused on the mobile device experience to enhance user satisfaction and trust;- Translated client requirements into a successful project;- Delivered an application that exceeded client expectations, resulting in high satisfaction.

- Configured Apache Kafka to enable asynchronous communication between microservices;- Designed and implemented both normalized relational databases and non-relational databases;- Responsible for maintaining REST-compliant APIs to ensure system standardization;- Developed authentication and authorization mechanisms using JWT and Spring Security;- Built WebSocket functionality to enhance user experience in applications.

- Extended and updated PLC programs to fit changes in requirements;- Created, updated and extended supervisory system (Citect SCADA).

Cuiabá, Mato Grosso, Brazil

- Facilitated regulatory analysis by creating a Power BI application to import and process vast quantity of relational data provided by the state electrical utility company;- Improved processing workflow of large sets of data (20+ million rows) with Python/Pandas.

Cuiabá, Mato Grosso, Brazil

- Architected and developed a REST API using Python and Django to receive and store data from IoT sensors;- Developed a mobile user interface using Flutter to present the aforementioned data.