Hi, my name's
Wander Souza.
Tech Lead with 5 years of hands-on experience in Java, Angular, Oracle Database, React and Kafka, currently contributing to robust solutions at SEFA-PA. I work in technical leadership, architecture of legacy and modern systems, creating detailed documentation(Confluence) to ensure governance and knowledge sharing. My work focuses on designing scalable systems, optimizing processes, and fostering collaboration across teams.
+40
Projects
at GitHub
+5
years
experience
Experience
March 2025 - CURRENT
Senior Full-Stack Systems Analyst - SEFAZ
- Technical leadership in the analysis of Java, Angular, Kafka systems, as well as Oracle database management and corrective/evolutionary maintenance.
- Planning and execution of systems architectures (legacy and modern) implementing cloud.
- Documentation using confluence for technical processes and decisions to ensure shared knowledge and governance.
May 2023 - March 2025
Full Systems Analyst - SEFAZ
- I supervised spring boot system analysis and oracle database optimization, reducing incidents.
- I led evolutionary maintenance initiatives, such as collection and taxpayer registration.
- Acting as a technical reference for the team in Web projects (Java/Angular).
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.
