Push Notification Hub — Multi-App Service

Backend (Node.js + OneSignal)

About

Centralized push notification service powering multiple mobile apps — Node.js backend with OneSignal integration, MSSQL/Sequelize for data persistence, serving currency, gold price, motorway, and other app notifications.

My Role

Built the notification hub: Express.js server with OneSignal SDK integration, Sequelize ORM with MSSQL, scheduled notification jobs, and multi-app routing for currency, gold, motorway, fashion, and history apps.

Core Capabilities

• Centralized push notification management for multiple apps
• OneSignal integration for cross-platform delivery
• Scheduled notification jobs with cron
• Multi-app routing (currency, gold, motorway, fashion, history)
• MSSQL database with Sequelize ORM
• RESTful API for notification management

Architecture

• Node.js with Express server
• OneSignal SDK for push notification delivery
• Sequelize ORM with MSSQL database
• Node-cron for scheduled notifications
• Multi-app configuration and routing

Tech Stack