We use cookies to ensure you have the best browsing experience on our website. Please read our cookie policy for more information about how we use cookies.

Guilherme Gwadera

@ggwadera

Java Developer

Portugal

About

Education

Universidade Federal de Santa Catarina

Badges

Problem Solving
Java
Days of Code
Days ofStatistics
Sql

Verified Skills

No certificate

ggwadera has not earned any certificates yet.

Work Experience

  • Software Engineer

    Zup IT Innovation | April 2021 - October 2022

    * Worked on the development and architecture of distributed microservices, providing a marketplace offering coupons, discounts and other benefits to Itaú bank credit card users. * Development, architecture and maintenance of scalable REST APIs with Java 17, Kotlin and Spring Boot, and GraphQL APIs using Netflix DGS framework. * Data persistence with relational (PostgreSQL) and non‑relational (MongoDB) databases, developed SQL migrations and query optimizations. * Centralized authentication and authorization for the applications and clients using Keycloak with the OAuth2 and OIDC specs. * Implemented solutions for the monitoring and observability of services using Grafana, Prometheus and OpenTelemetry. * Developed event‑driven applications and distributed systems with RabbitMQ and AWS SNS/SQS. * Took the lead in migrating the services from Java 8 to 17 and newest versions of Spring Boot. * Unit and integration testing with Spock and JUnit along with TestContainers, also end‑to‑end testing with Cypress.

  • Chemical Engineering Intern

    Ajinomoto Brazil | January 2019 - February 2020

Education

  • Universidade Federal de Santa Catarina

    Chemical Engineering, BS | August 2014 - December 2019