
Qamar
Full Stack Engineer
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Esperienza lavorativa
Developed ISP Billing Management SaaS Cloud Software
Fiber Nexus • Full time
Oct 2025 - Feb 2026 • 4 mos
FiberNexus ISP Billing System Project Description FiberNexus is an enterprise-grade ISP billing and network management platform built with Laravel 12 (backend API) and React 19 (frontend SPA). It automates the complete customer lifecycle — from activation to expiry to suspension — with real-time MikroTik RouterOS integration, multi-level dealer hierarchy with balance management, and live network monitoring. Core Architecture React 19 + TypeScript (Frontend SPA) ↕ Sanctum Cookie Auth + REST API Laravel 12 (Backend API) ↕ RouterOS API + FreeRADIUS MikroTik Routers (Network Infrastructure) Key Features Customer Lifecycle Automation Package activation/renewal with automatic balance deduction Auto-suspension on expiry with grace period MikroTik PPPoE/Hotspot user sync with retry queue SMS/WhatsApp expiry reminders (3-day, 1-day) Multi-Level Dealer Hierarchy SuperAdmin → Admin → Manager → Dealer → SubDealer Parent-to-child balance transfers with atomic transactions and row locking Per-dealer custom package pricing hierarchical data isolation (each level sees only their downline) Real-Time Network Monitoring. Router health monitoring (CPU, memory, uptime, sessions) Interactive router map with live status indicators Active session tracking via RADIUS Security enforcement (auto-disconnect restricted users) Financial Management Atomic balance transfer ledger with full audit trail Revenue tracking per dealer/package/period Transfer reversal with balance validation Hierarchical financial reporting Enterprise React Dashboard Live KPI cards with sparkline charts and animated counters Revenue and customer growth charts (Recharts) Router infrastructure map (Leaflet) Real-time activity feed with 10-second polling Dark mode, command palette (⌘K), responsive design Tech Stack Layer Technology Frontend React 19, TypeScript, TanStack Query, Zustand, Recharts, Tailwind CSS, Shadcn/ui, Framer Motion Backend Laravel 12, Sanctum, Spatie Permission, Laravel Reverb (WebSock