I am an experienced IT professional with a career beginning in 2011, building a solid foundation in technical support, network engineering, and software development, with a specialization in Information Security. My experience covers system analysis and development, mainly using Java 8+, Spring Boot, and Angular, focusing on microservices, hexagonal architecture, MVC, and REST APIs, as well as IT management. I am versatile and capable of working across various technologies, roles, and projects. I adapt quickly to new technologies and work well in teams, always focused on results. My transition from areas like Technical Support and Network/Security Analyst to development has given me a holistic view of infrastructure and security, complementing my software skills.

Antonio Luiz Da Silva

I am an experienced IT professional with a career beginning in 2011, building a solid foundation in technical support, network engineering, and software development, with a specialization in Information Security. My experience covers system analysis and development, mainly using Java 8+, Spring Boot, and Angular, focusing on microservices, hexagonal architecture, MVC, and REST APIs, as well as IT management. I am versatile and capable of working across various technologies, roles, and projects. I adapt quickly to new technologies and work well in teams, always focused on results. My transition from areas like Technical Support and Network/Security Analyst to development has given me a holistic view of infrastructure and security, complementing my software skills.

Available to hire

I am an experienced IT professional with a career beginning in 2011, building a solid foundation in technical support, network engineering, and software development, with a specialization in Information Security. My experience covers system analysis and development, mainly using Java 8+, Spring Boot, and Angular, focusing on microservices, hexagonal architecture, MVC, and REST APIs, as well as IT management.

I am versatile and capable of working across various technologies, roles, and projects. I adapt quickly to new technologies and work well in teams, always focused on results. My transition from areas like Technical Support and Network/Security Analyst to development has given me a holistic view of infrastructure and security, complementing my software skills.

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Experience Level

Expert
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Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
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Language

English
Beginner

Work Experience

Desenvolvedor Fullstack at CI&T
January 1, 2021 - August 22, 2025
Developed and evolved scalable, high-performance solutions focusing on backend with Java 8 and 11 using Spring Boot and frontend development with Angular. Implemented automated tests, deployed, and maintained applications in Azure cloud environment. Maintained microservices, contributed to CI/CD processes using Jenkins and GitHub Actions, and worked with Kafka for consumer and producer implementations. Utilized Docker for containerization and managed version control with GitHub and BitBucket. Applied design patterns such as hexagonal architecture and REST APIs. Participated in Scrum routines using JIRA, requirements gathering, and legacy migration to Azure.
Desenvolvedor de Aplicações at Sicoob
January 1, 2021 - Present
Responsible for analyzing, maintaining, and developing banking transaction systems using Java 8 and 11 with Spring Boot on the backend layers (BFF and SRV). Managed version control with GitLab and GitHub. Utilized WebSphere - IBM application server and contributed to CI/CD pipelines with Jenkins and GitHub Actions. Developed and maintained microservices on the frontend using Angular and Node.js, implemented unit tests with JUnit and Jest, and worked with WebSphere MQ queues and topics. Managed databases like SQL Server, MySQL, and DB2. Experienced in bug fixing, applying security logic in code, Linux environments, and legacy migration projects to AWS.
Desenvolvedor Fullstack at CI&T
January 1, 2021 - August 22, 2025
Developed scalable, high-performance solutions using Java 8 and 11 with Spring Boot on the backend, and Angular on the frontend. Implemented automated testing, application deployment, and maintenance in Azure cloud environments. Created and maintained microservices and contributed to CI/CD processes via Jenkins and GitHub Actions. Used software design patterns, hexagonal architecture, and API REST standards. Experienced with Kafka producers and consumers, Docker containerization, and version control with GitHub and BitBucket. Participated in scrum routines, requirements gathering, and legacy migrations to Azure.
Desenvolvedor de Aplicações at Sicoob
January 1, 2021 - Present
Responsible for analyzing, maintaining, and developing banking transaction reception systems using Java 8 and 11 with Spring Boot in backend layers BFF and SRV. Managed version control using GitLab and GitHub, implemented CI/CD pipelines with Jenkins and GitHub Actions, and worked with WebSphere IBM application servers. Maintained and developed frontend microservices using Angular and Node.js. Implemented unit tests with JUnit and Jest and worked with messaging queues (WebSphere MQ) and databases including SQL Server, MySQL, and DB2. Contributed to bug fixing, security enhancements, Linux environment support, and legacy system migration to AWS.

Education

MBA at Estácio de Sá
January 11, 2030 - August 22, 2025
Graduação em Tecnologia da Informação at Estácio de Sá
January 11, 2030 - August 22, 2025
MBA at Estácio de Sá
January 11, 2030 - August 22, 2025
Graduation in Information Technology at Estácio de Sá
January 11, 2030 - August 22, 2025

Qualifications

Citi IT Experts – Immersion on Spring Boot, Spring Security, JWT, SQL | Citi Bank
January 11, 2030 - August 22, 2025

Industry Experience

Software & Internet, Financial Services, Computers & Electronics, Professional Services

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
See more