Convention & Billing Management Platform | Angular, Spring Boot, MongoDB, DevOps • Designed and developed a full-stack web application for managing conventions, invoices, and payment deadlines. • Implemented an internal messaging system to facilitate secure communication between project stakeholders. • Developed a decision-support chatbot to assist managers and decision-makers in data analysis and strategic decisions. • Built interactive dashboards with advanced filtering and real-time analytics. • Applied DevOps practices including CI/CD pipelines, automated testing, and version control.