Back to Case Studies
Case Study 04

CRM Platform Refactor & 27GB Migration

Full platform redesign with normalized schema and 27GB zero-downtime data migration.

usersidemailroleaccountsidnamestatuscontactsidphoneaccount_idcall_logsidcontact_iduser_id
27GB
Data Migrated
Zero
Downtime
Zero
Data Loss
Normalized
Schema

The Problem

Fragmented multi-service CRM platform with inconsistent schema, unclear service boundaries, and data integrity issues across a 27GB production database.

The Solution

  • Led full platform redesign with normalized schema
  • Clean service boundaries and robust integrations
  • Staged deployment strategy with batched processing
  • Comprehensive validation checks at every step
  • Rollback capabilities built into each migration phase

Tech Stack

PostgreSQL Schema Design Batch Processing Staged Deployments

Related Case Studies

Parallel Autodialer System

High-concurrency predictive dialer handling 1000+ concurrent calls with sub-second queue latency and async AMD.

Distributed WebSocket Presence

Real-time presence tracking across multiple server replicas with zero ghost sessions and sub-second accuracy.
Ready to start?

Let's build something solid.

We take on a limited number of projects to ensure every engagement gets our full engineering focus.

Start a Project