Hub Opratel

Vue 3 Vite Node.js Express Fastify PHP Python Redis Socket.IO AWS Docker WebSockets

Multi-country carrier-billing SaaS platform for telcos (Claro, Movistar, Orange) that enables prepaid mobile users to purchase digital goods—such as Roblox credits and cloud-gaming hours—without requiring a bank account. Modernized the admin dashboard by migrating from Vue 2 to Vue 3 with Vite, reducing bundle size by 35% and first-load time by 45%. Built payment gateway services with Express.js and Fastify APIs alongside PHP microservices, processing over 1.5M micro-transactions monthly. Developed real-time log-monitoring console with Socket.IO WebSockets, aggregating streams from 20+ microservices and cutting debug time by 40%. Created multi-tenant SaaS dashboards with role-based access, Redis queues, and WebSocket live updates, maintaining <300ms end-to-end latency at 2k TPS peaks. Implemented DevOps best practices including containerization, GitHub Actions CI/CD, and Cypress E2E tests, reducing release cycles by half and production bugs by 40%.

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