Igor Túllio

Backend developer

Instivo•  February 2023 - Present•  Remote

Technically manage the team responsible for microservices handling multi-tenancy, users, profiles, permissions, and business units. Use ports and adapters architecture, event-driven design, and initial domain-driven design (DDD) modeling with Java 17 and Spring 3. Daily use of Postgres database, Linux environment, and Amazon AWS resources.

Full-stack developer

Vamo•  January 2022 - January 2023•  Remote

Develop, maintain, and test microservices built with Java 17 and Spring, responsible for processing ticket transactions as NFTs, managing information related to Solana network wallets, events, and web 3.0 users; develop, maintain, and test the frontend system built with Next.js where organizers can create and make new events available with their respective NFTs. Maintain the legacy system (Scala with Play Framework) for ticket management, from customer inclusion on the platform to invoice receipt by the organizer.

Backend developer

B2W Digital•  February 2021 - December 2021•  Remote

Develop and maintain the backend of the transport management system (TMS) for B2W deliveries using EJB in the core system with Java 8 and Oracle database. Use Spring framework in adjacent microservices with Java 16 to assist the core system with tasks such as email sending and invoice issuance. Manage queues with RabbitMQ, deployed applications through Amazon AWS, and used tools like Kibana and New Relic for application monitoring, with daily use of the Linux environment.

Full-stack developer

Global Web•  April 2019 - February 2021•  Hybrid (Remote - Brasilia, Brazil)

Develop, migrate, and test systems for the Superior Tribunal Justiça (STJ) using Java backend with Spring framework. Developed, migrated, and tested the web system using Angular framework version 11. Manage DB2 database operations with DBeaver, configure projects using GitLab and Sonar, and work in a Windows environment daily.

Full-stack developer

BASIS•  June 2018 - April 2019•  Brasilia, Brazil

Develop SSO (Single Sign-On) applications using Java with Spring framework, Open Source CAS protocol, LDAP, and JDBC. Integrate SSO with other company applications like Jenkins, Gogs, Jira, and Rancher through creating pages with Thymeleaf and vanilla JavaScript.

Intern

BASIS•  April 2018 - June 2018•  Brasilia, Brazil

Developed and maintained Java applications using technologies like Spring, Maven, JavaScript, HTML, CSS, and IDEs IntelliJ and NetBeans. Create queries in Postgres and SQL Server databases with Spring Data JPA, daily version control with Git, and Linux environment.