Provided production support for Customs Payments, Taxes Payments, CDMX Payments and MOD40 Payments.Implemented a Zero Trust architecture for taxes application to enhance security posture.Managed Red Hat Linux environments from version 6 to 8, ensuring system stability and security.Automated tasks using Ansible, reducing manual effort by 90% and improving efficiency.

Spring Framework Development: Proficiency in Java versions 1.7 to 17Frontend Development: Experience with Angular framework version 1.8 to 13Testing and Automation: Selenium for test automation and Ansible for process automationBatch Processing: Control-M for scheduling and managing batch jobsSecurity: HSM for handling sensitive dataDevSecOps: Creation of Jenkins, AWS and CI/CD RO PipelinesTooling: SonarQube, CheckMarx, Cyberport, Rundeck

Maintained and enhanced existing Java applications, including troubleshooting and implementing new features.Developed a custom CMS using Spring and Thymeleaf.Deployed and configured Tomcat and TomEE servers to host web applications.Administered Ubuntu servers, including software installation, network configuration, and troubleshooting.