Develop backend solutions for enterprise credit card authorization systems, maintain and enhance ISO 8583 financial messaging platforms, design and implement RESTful services using Java and Spring Boot, collaborate with cross-functional Agile teams on mission-critical banking solutions, and research and prototype AI solutions using Large Language Models (LLMs).

Led software development teams and supervised solution architecture, planned and assigned projects across multiple engineering teams, and promoted Agile practices and engineering standards.

Developed enterprise applications for online banking and credit card platforms, designed backend services and integrations between AS400 and digital banking, served on the Change Advisory Board (CAB), managed AS400 object auditing and led Scrum teams.

Developed REST and SOA services for Tigo regional platforms, built Oracle Service Bus integrations with legacy systems, and created middleware adapters and Java listeners for telecommunications services.

Developed banking applications for credit cards, payments, and internal operations, and designed monitoring and automation tools supporting banking processes.