Hi, my name's
Wander Souza.
Software Engineer and Tech Lead with over 6 years of experience.
I delivered more than 119+ scalable Java/Angular systems for high-traffic financial and public sectors at SEFA-PA.
+40
Projects
at GitHub
+6
years
experience
Experience
March 2025 - CURRENT
Senior Full-Stack Systems Analyst - SEFAZ
- Technical leadership with a team of over 30 developers focused on Java and Angular systems.
- Planning and migrating architectures in legacy Visual Basic 6 systems and Oracle database objects (procedures, functions).
- Modernizing infrastructure by migrating services hosted on Weblogic to Kubernetes, increasing scalability and reducing downtime across 100 services.
- Implementation of CI/CD pipelines geared towards continuous analysis (Sonar) and deployment performance, resulting in cleaner code and a 60% test coverage rate.
- Creating documentation in Confluence for technical processes and decisions to ensure shared knowledge and governance.
May 2023 - March 2025
Full Systems Analyst - SEFAZ
- Performing maintenance on 20 Java 8 Maven procedures, which focus on processing invoices and payments.
- Leading a team of over 15 developers focused on Java, Angular, and Oracle.
- Implementing Spring Boot in 10 targeted projects with payment processing, authentication, and connection via digital certificate.
September 2022 - May 2023
Mobile Developer/UX Design - Brasil Connecting
- I developed a corporate mobile application called “talk-me” using React Native for Brasil Connecting.
- SIP connection functionality was developed to facilitate internal and external conferences for Brasil Connecting customers.
- I created the design using the figma tool.
Jan 2022 - May 2023
Junior Full-Stack Systems Analyst - SEFAZ
- Involved in development and support activities, focusing on bank analysis of data and applications, as well as corrective and evolutionary maintenance of systems.
- Migration of applications from Java 6 to 8.
- Improvement of procedures in the Oracle database.
- Processing monitoring.
Jul 2021 - Jan 2022
Trainee Systems Analyst - SEFAZ
- Support and service to SEFA/PA employees and taxpayers, addressing issues related to the system.
- Solve problems in the Oracle database and internal/external websites, emphasizing solutions using Java and Angular.
- I carried out updates on internal and external websites using Joomla and Wordpress for management.
- Management and maintenance of repositories via FTP protocol.
- I used Adobe tools such as Photoshop and Illustrator to edit images and create layouts for internal and external applications and documents.
Dez 2019 - Jul 2021
Intern - SEFAZ
- Implemented changes to SEFA's internal websites, applying knowledge of HTML, CSS and Typescript.
- Provided first-class support to internal employees, ensuring their needs were met with enthusiasm.
Set 2019 - Jul 2021
Intern - SEBRAE
- Focused on the design area, practicing and learning more about Web Design and Graphic Design.
- I used Adobe Photoshop, Illustrator, XD and Figma for design projects.
- Presented multiple creative options to internal and external clients, ensuring overall satisfaction with innovative designs.
- I played a fundamental role in creating and adapting the visual identity of the 2nd largest Entrepreneur Fair in the country.
Jun 2016 - Nov 2016
Intern - Pope John XXIII Institution
Activities developed focused on computer maintenance, such as: formatting machines, identifying and replacing damaged components, internal cleaning of computers, and production of spreadsheets for the administrative sector.
