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Full-Stack Integration Case Study
Bulk Email Platform
Scalable mailing engine with campaign builders and delivery tracking reports.
60% savedcost Savings
98.4%delivery Rate
1.2M / movolume
Project Overview
A private communication platform enabling marketing agencies to coordinate subscriber lists, edit templates, and launch large campaign dispatches.
The Problem
Standard cloud options charged premium tiers as subscriber lists expanded, introducing strict throttling limits on transactional mails.
The Solution
Built a private email delivery infrastructure utilizing queue workers and local campaign templating engines.
System Architecture
Node.js dispatchers pull contacts from MongoDB databases, feed campaigns to a Redis queue buffer, and call SMTP servers in multi-threaded batches.
[React UI Portal] ==> [Express Backend] ==> [Redis Campaign Queue] ==> [SMTP Dispatch Engine]
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[MongoDB Contacts Store]Key Engineering Features
- ◆In-app drag-and-drop campaign template constructor.
- ◆Subscriber listing segmentation with smart dynamic tags.
- ◆Mailing analytics tracking clicks, bounces, and unsubscribes.
- ◆Automatic queue retry mechanisms to minimize delivery errors.
Technologies Utilized
ReactNode.jsRedisMongoDBTailwind CSS
Repository StateCommercial (Proprietary)
Deployment LevelProduction / Live