Delivered as a complete digital transformation for the National Institute of Language Education and Training, NiLET is a cohesive platform that unifies a marketing-driven WordPress front-end with a fully custom Laravel student portal and a responsive Vue.js administration UX. The system addresses the full lifecycle of language education operations: course marketing and content are managed in WordPress while student enrollments, fee processing, attendance, batch management, and certificate issuance are processed in the Laravel portal. I implemented advanced features such as automated WhatsApp group creation and secure link distribution, slip upload workflows for payment adjustments, and an auditable complaints and escalations module for student support. Administrative workflows include coordinator dashboards with role-based permissions, CSV-driven results publishing with transactional safeguards (publish/unpublish/hold), batch capacity enforcement, and reporting exports for finance and compliance. Integration patterns used secure REST APIs and idempotent syncs to avoid duplicate records across systems, and background job processing handled large batches for CSV imports, notifications, and media transcoding. The solution was productionized on AWS with horizontal scaling patterns, backups, and monitoring. The result was a reliable, user-friendly platform that reduced manual administrative effort, minimized errors in enrollment and payments, and improved student satisfaction metrics.