Owned frontend delivery for tenant, customer, product, order, invoice, wallet, and system-settings modules across a multi-tenant SaaS platform.

Partnered with the Product Owner to build workflows for product ordering, payment processing, and tenant fund management.

Implemented role-based access control (RBAC), permission-aware navigation, and dynamic UI actions based on each user's assigned permissions.

Designed a real-time notification layer using WebSocket with automatic reconnection and event synchronization for fund requests, service orders, and renewal alerts.

Built Telegram alerts for failed third-party service purchase transactions, improving operational visibility and incident response.

Secured server-side API and media access using Next.js Server Actions, Route Handlers, and cookie-based authentication.