Led a team of 7+ IT Software Developers. Integrated credit card systems using SAML 2.0 between online banking system and PSCU Financial Service. Sized IT Infrastructure for high demand systems. Protected banking systems using firewalls, VPN and LAN/WAN Technologies. Integrated real time updates for online banking system profile information and Vystar API. Performed integration between Android application and Firebase to analyze user experience. Developed internet banking transactions including transfers and payments. Used event driven approach to scale the online banking system to 600K+ users. Worked as IT Team Lead for Vystar Credit Union to translate requirements into implementation. Technologies used include PostgresSQL, Redis Streams, Redis Java, Docker, Junit, AJAX, Javascript, HTML, XML, Rest, Kubernetes, Java, Redhat Openshift, Android, Amazon WebServices.

Led and mentored development teams, providing technical guidance and support. Translated user requirements into software design. Led a team of 10+ IT Software Developers. Sized IT Infrastructure for high demand systems. Protected banking systems using firewalls, VPN and LAN/WAN Technologies. Provided expertise on cross-application implications and guided teams on architecture standards. Managed Information Services Infrastructure using Google Cloud Platform. Collaborated with development teams to ensure implementation of architectural designs and adherence to standards. Technologies used include PostgresSQL, Google Cloud, Terraform, NodeJs, ReactJS, Redux, Redis, Java, Spring Framework, Spring Security, Spring JPA, Spring Cloud, Apache Maven, Gitlab, Docker, Bash, Nexus, Junit, AJAX, Javascript, HTML, XML, Rest, Kubernetes, Microservices, Amazon WebServices.

Led a team of 15+ IT Software Developers. Increased revenues by 10% due to digital transformation. Protected banking systems using firewalls, VPN and LAN/WAN Technologies. Architected and deployed critical systems on AWS and Google Cloud Platform. Used event driven approach to scale the online banking system to 800K+ users. Technologies used include PostgresSQL, Google Cloud, Terraform, NodeJs, ReactJS, Redux, Redis, Java, Spring Framework, Spring Security, Spring JPA, Spring Cloud, Apache Maven, Gitlab, Docker, Bash, Nexus, Junit, AJAX, Javascript, HTML, XML, Rest, Kubernetes, Microservices, Amazon WebServices.

Led Technical Debt Team to support ongoing initiatives. Led a team of 10+ IT Software Developers. Reported project progress, tasks, scopes, risks and deadlines to top management. Defined and developed Software Architecture for critical systems based on microservice architecture. Sized IT Infrastructure for high demand systems. Protected banking systems using firewalls, VPN and LAN/WAN Technologies. Used event driven approach and microservices to scale BMS to 800K+ users. Technologies used include PostgresSQL, Google Cloud, Terraform, NodeJs, ReactJS, Redux, Redis, Java, Spring Framework, Spring Security, Spring JPA, Spring Cloud, Apache Maven, Gitlab, Docker, Bash, Nexus, Junit, AJAX, Javascript, HTML, XML, Rest, Kubernetes, Microservices, Amazon WebServices.

Led IT activities to improve technology for the Ministry of Finance in El Salvador for fiscal reforms. Analyzed business tax and developed Case Selection Management System II (CSMSII) using agile methodologies, increasing fiscal revenues by 12.4 million dollars. Designed ERP system architecture for Ministry of Finance, helping raise 2.4 billion dollars in state revenue. Sized IT Infrastructure for high demand systems (CSMSII and SAFII). Protected banking systems using firewalls, VPN and LAN/WAN Technologies. Built Single Sign On components for new Financial System (SAFII) integrating delegated systems. Designed IT diagnostic paper for USAID and DAI on IT systems and infrastructure of critical programs such as SIDUNEA WORLD. Technologies used include Java, JEE, Spring Framework, Spring Security, Spring Batch, Spring JPA, Spring Cloud, Oracle RDBMS, Google Cloud, Terraform, Apache Maven, Velocity, Jenkins, Docker, Gerrit, Nexus, Junit, AJAX, Javascript, HTML, XML, SOA, SOAP, WebServices, Microservices, Amazon WebServices, JBossEAP, Jboss Datagrid, JbossMQ, Apache Velocity, Git, Linux RHEL, Bash, Jasper Reports, Pentaho BI, Angular, ReactJS, Amazon WebServices.

Managed Web applications and regional banking services for Citibank in Central America, Caribbean, Jamaica and USA. Managed physical and virtual infrastructure, designed and implemented solutions, performed analysis and troubleshooting, monitoring and enforcement of standards and procedures. Managed Services Infrastructure (Enterprise Service Bus), IBM MQ, IBM Broker used as SOA for application integration. Provided 24/7 support through VPN. Implemented processes and standards for Change Management, Incident Management, Command Center, and Service Support based on ITIL. Protected banking systems using firewalls, VPN and LAN/WAN Technologies. Designed and implemented new Infrastructure with Amazon Web Services for DEV, SIT, UAT, COB and PROD environments hosting corporate and consumer banking systems. Used SOA to scale critical systems to 900K+ users. Technologies used include Java, JEE, Spring Framework, Spring Security, Spring Batch, Oracle RDBMS, Sybase Adaptive Server, Apache Maven, Apache Struts, Junit, AJAX, Javascript, Bash, HTML, XML, SOA, SOAP, WebServices, Android, Jboss, IBM WebSphere Application Server, IBM Message Broker, IBM MQ, IBM Process Server, Amazon Web Services.