Wagner R.

Back-end and Systems Engineer

backend java
10/1/2023 - Present

Developed proficiency in managing the merger of a recently acquired startup, deploying technologies such as Spring Boot for backend services and PostgreSQL for database management. Utilized Kafka for efficient stream processing and messaging, ensuring seamless data integration. Demonstrated expertise in Kubernetes for container orchestration and AWS for scalable cloud solutions.

Fullstack Java Angular
12/1/2021 - 10/1/2023

Developed the Extracash system, a control and management solution for ATMs tailored for the banking sector. Leveraged Java EE for backend development and employed Angular for creating dynamic and responsive front-end interfaces. Utilized JxBrowser to enable seamless browser integration within the application. Implemented Redis for efficient caching and rapid data access, and used Oracle as the primary database for robust data management. Deployed the application on Wildfly to ensure reliable and scalable server performance. Contributed to enhancing the system’s overall stability and functionality, facilitating better control and management of ATM operations.

Java Programmer
10/2/2020 - 10/1/2023

Led the development of an application to integrate and manage all publications and official documents for a court system. Utilized JavaScript with Vue.js for frontend development and Java with Spring Boot for backend operations. Pioneered the migration from FTP server storage to Google Drive, enhancing data management efficiency. Developed a service in Spring Boot leveraging the Google Drive API to facilitate integration and provide a user-friendly interface for other applications.

IT Analyst
2/2/2016 - 10/2/2020

Developed expertise in IT infrastructure management utilizing PFSENSE firewall, CITRIX XENSERVER for virtualization, and Microsoft services with Windows Server 2008. Conducted support, requirements analysis, technical documentation, and implemented improvements in ERP systems including SAIB2000, SAIBGEO, ROADSHOW, and PERFORMAXXI. Coordinated and maintained the company's entire computer park, including its distribution centers.

Java Web Developer
2/2/2014 - 2/2/2016

Developed proficiency in Java programming, focusing on creating robust applications utilizing PrimeFaces and Hibernate frameworks. Demonstrated in-depth understanding of full-stack development with significant experience in designing user interfaces using PrimeFaces and managing database interactions through Hibernate's ORM capabilities. Showcased technical expertise in optimizing application performance and ensuring secure, scalable solutions. Excelled in implementing best practices for code quality and software maintenance, leveraging advanced features of Java to develop efficient, maintainable, and high-performing applications.

Intern
1/2/2012 - 7/2/2013

Gained extensive experience in system development through the use of Java and the ZKOSS AJAX framework. Developed backend services with Enterprise JavaBeans (EJB) and employed JBoss servers for application deployment and management. Strengthened technical expertise in delivering high-performance, scalable solutions through hands-on work with these technologies within an enterprise environment.

Scholarship Holder
2/2/2009 - 2/2/2011

Conducted comprehensive research in the fields of Computing, Web Systems Development, and Security. Delivered expertise in the presentation of mini-courses and seminars. Developed advanced technical skills in web technologies, ensuring robust and secure system architectures. Enhanced proficiency in programming languages, frameworks, and security protocols relevant to web systems. Leveraged in-depth understanding of computing principles to address complex web development challenges. Actively contributed to knowledge sharing through educational presentations and interactive learning sessions, fostering a collaborative learning environment.