Led the implementation and documentation process of a fraud detection tool, significantly reducing friction with consumers, decreasing manual fraud case reviews and increasing digital transaction revenues for participating banks. Implemented new features and improvements to existing systems, both internal and in the Zimple digital wallet app, to provide a better experience for customers and promote app usage.

Developed and maintained web applications using Java, Spring Boot, Hibernate, and PostgreSQL, resulting in improved performance, security, and user experience. Implemented RESTful APIs and microservices architecture for a large-scale e-commerce platform, enabling seamless integration with third-party services and front-end components. Collaborated with cross-functional teams using agile methodologies and tools such as Scrum, Kanban, Jira, and Git, delivering features and bug fixes in a timely and efficient manner. Enhanced existing codebase by applying best practices, design patterns, and code reviews, reducing technical debt and increasing maintainability and scalability. Designed, developed, managed, and diagnosed REST API proxies using the Apigee Edge platform in conjunction with JavaScript, applying agile software development methodologies.

Designed and developed client and server code using agile software development methodologies. Implemented a scalable Mobile Sales System for Android, reducing manual transaction errors by 20%. Investigated, analyzed, and implemented solutions to network and infrastructure-related problems. Installed, configured, and administered mail servers, proxies, messaging systems, Active Directory, LDAP, DHCP, DNS, Apache, traffic monitoring, SNMP-enabled devices, antivirus software, HelpDesk systems, and virtualization platforms.