Giovana Nogueira

Software Engineer Internship @ PagBank

About

Building reliable back-end systems where business rules, performance, and scalability matter. I work close to core product flows, especially in payment and financial domains, where stability is critical. Known for being proactive, organized, and communicative, with ease in collaborating with cross-functional teams and receiving feedback. Junior Back-End Developer with hands-on experience using Java, Kotlin, and Spring Boot to build and maintain microservices and REST APIs. Experience supporting payment-related features, system integrations, and evolving existing services with a focus on reliability and performance. Worked on refactoring service flows (Chain of Responsibility), reducing unnecessary calls and improving maintainability. Familiar with monitoring and observability, creating dashboards with Grafana to track system and business metrics. Tech stack: Back-End, Java, Spring Boot, Microservices, AWS.

Country

Brazil

City

Niterói

Industry

Computer Software

Skill

GitHub Copilot, Microservices, Java, Spring Boot, Kotlin, Amazon Web Services, Data Structures, Databases, Object-Oriented Programming (OOP), Information Security, Computer Networking, Software Engineers, DevOps, Docker, Kubernetes, Next.js, Node.js, React.js, JavaScript, TypeScript

Experience

Software Engineer Internship

PagBank

2025-9 - Present · 1 yr 1 mo

São Paulo, Brazil

- Developed and maintained back-end services using Java, Kotlin, and Spring Boot, delivering reliable APIs and scalable business logic for core product flows. - Supported financial and payments-related demands, including updating applications to accept new payment standards and ensuring compatibility across integrations. - Refactored and optimized systems built with Chain of Responsibility, improving maintainability and adjusting flows to avoid unnecessary risk-service calls, reducing latency and operational cost. - Monitored services and created/maintained dashboards with Grafana, helping track performance, incidents, and key business/technical metrics.

Frontend Developer

IN Junior - Empresa Júnior de Computação da Universidade Federal Fluminense

2025-3 - 2026-3 · 1 yr 1 mo

Niterói, RJ

I work as a Frontend developer at the Junior Computer Science Company of the Federal Fluminense University (UFF), using technologies such as: Node.js, JavaScript, React, and Typescript. - I work on the development of Frontend solutions, focusing on componentization and implementing new functionalities. - Responsible for improvements, resulting in increased performance and stability of applications. - Actively collaborate with the development team, contributing to agile deliveries and meeting deadlines.