Density Blaster

Overview

Density Blaster is a direct mail marketing platform that helps service companies build route density and reduce travel time between jobs. The platform features a custom postcard designer built with FabricJS and enables businesses to send personalized, property-specific marketing materials to targeted audiences.

What I Built

MVP Development

Built the complete MVP from concept to production:

• •

  Postcard Designer Tool

  • •Full-featured drag-and-drop designer using FabricJS
  • •Support for multiple postcard sizes (4x6, 6x9, 6x11)
  • •Template customization and brand management
  • •Real-time preview and editing
• •

  Map-Based Audience Builder

  • •Interactive map interface for creating target audiences
  • •Geographic boundary drawing for neighborhood targeting
  • •CSV upload for customer list imports
  • •Audience segmentation and management
• •

  Personalization Engine

  • •Dynamic content generation for each recipient
  • •Property-specific quotation system
  • •Custom fields and data merging
  • •Automated personalization at scale
• •

  Campaign Management

  • •Bulk postcard sending automation
  • •Campaign scheduling and deployment
  • •Location and time-based discount options
  • •Integration with mailing service providers

Technical Implementation

Frontend Architecture

• •Built interactive postcard designer with FabricJS canvas manipulation
• •Implemented complex state management for design elements
• •Created responsive map interface for audience selection
• •Developed real-time preview system

Backend Systems

• •Designed data pipeline for bulk personalization
• •Built integration layer for mailing service APIs
• •Implemented campaign management and tracking
• •Created CSV processing for audience imports

Data Management

• •MongoDB for storing designs, audiences, and campaigns
• •Efficient data structures for handling bulk operations
• •Caching layer for performance optimization

Impact

• •Successfully launched MVP enabling businesses to run marketing campaigns within minutes
• •Postcard designer eliminated need for external design services
• •Personalization engine enabled property-specific quotations at scale
• •Map-based targeting helped service companies build route density
• •Bulk automation reduced campaign deployment time from days to minutes
• •Platform positioned for expansion to USA and Canadian markets