Architected and delivered Java EE and .NET solutions for new development and production sustainment in regulated public-sector environments. Led integration between legacy systems and modern components using REST APIs and SOAP web services, reducing coupling and enabling incremental modernization.
Designed and implemented microservices with Java 11 and Spring Boot, improving modularity and deployment independence for complex enterprise landscapes. Drove DevOps practices with Azure DevOps, Jenkins, Kubernetes, and Kubeflow, standardizing pipelines and operational repeatability. Stack highlights: Java 8/11, JPA, JSF, Angular, Vue.js, Node.js, Tomcat, JBoss/WildFly, Oracle 18c, SQL Server, MySQL, PostgreSQL, RabbitMQ, Apache Artemis (ActiveMQ family).

Owned end-to-end technical outcomes for large-scale public health, aviation regulation, and banking systems—new builds and long-term maintenance. Improved reliability and maintainability of heterogeneous estates spanning Java 6–8, JSF, Angular, Node.js, and .NET (including legacy ASP and ASP.NET). Applied AWS capabilities where appropriate to support scalable, resilient architectures alongside traditional JBoss (5–10), WildFly, WebSphere, and Tomcat deployments. Databases & platforms: Oracle, SQL Server, MySQL, PostgreSQL; deep experience with enterprise integration patterns across mixed runtimes.

Served as lead solution architect for UX architecture across 70+ projects, including flagship national programs (Siscomex, Simples Nacional, e-Processo). Translated complex regulatory and operational requirements into scalable web architectures and governed delivery across multi-vendor ecosystems. Stack highlights: Java 6/7, JPA 1.2/2.0, JSF 1.2/2.0, TIBCO suite, Tomcat, JBoss 4/5/6, JBoss ESB, WebSphere, Demoiselle Framework, ASP/ASP.NET, C# .NET, Oracle 10g, SQL Server, DB2, Adabas, MySQL, PostgreSQL.