Smart CRM
High-throughput VBA automation engine handling 100k+ B2B leads.
Throughput
100k+
Validation
99.9%
Processing
RAM-Based

System Architecture & Overview
An enterprise-scale automation engine designed to handle massive lead datasets. Built with a focus on validation accuracy and speed, replacing manual entry with high-performance VBA/Python bridges.
The Lead Validation Bottleneck
The client was manually validating and filtering over 100k+ B2B leads through Excel sheets, a process plagued by disk I/O bottlenecks and frequent application crashes due to massive data volume.
The VBA RAM-Based Engine
We designed a high-throughput VBA automation engine that loads entire tables into memory (RAM arrays) to bypass Excel's disk write operations. It processes records using native WinAPI functions for lightning-fast memory access.
"Replaced manual spreadsheet validation workflows, achieving a 99.9% validation accuracy and reducing processing time from hours to minutes."
Regex & Database Integration
By integrating optimized regular expressions (Regex) for email, phone, and domain validation, the system filters bad records dynamically before archiving them into an MS Access database via structured SQL transactions.
Technology Stack
- VBA
- MS Access
- Excel Automation
- WinAPI
- SQL
- Regex
System Highlights
Throughput: 100k+. Built with industrial resilience and edge optimization protocol.