Gisele Souza

Back End Java Python

Software Engineer Itaú Unibanco Nov 2022–Present Payments team São Paulo, Brazil ● Contributed to split testing for Pix and card transactions, ensuring the quality and reliability of payment systems. ● Developed and maintained payment functionalities in a marketplace environment, achieving a 95% success rate in transaction processing and reducing error handling time by 50%. ● Designed and implemented microservices using Kotlin and Micronaut, improving system scalability and reducing maintenance costs. ● Configured Kafka to support high-volume message processing, resulting in a 50% increase in system throughput. ● Created monitoring dashboards using Grafana, allowing for real-time system performance analysis and issue identification. ● Modeled system architecture using Archi, providing clear documentation and ensuring effective communication with team members. ● Worked with PostgreSQL to implement efficient and reliable data storage and retrieval. ● Collaborated with other team members to ensure the successful integration of payment systems with other company services and applications.

Education and Certifications ● B.Sc. Systems Analysis and Development, UNIJORGE, Brazil. 2019-2022 ● Postgraduate in Solution Architecture, PUC Minas, Minas Gerais, Brazil. 2022-2024