CASE STUDY 04: SMB DIGITAL TRANSFORMATION & SAAS

Transforming Custom Legacy On-Premise Software into Multi-Tenant PaaS/SaaS

  • Domain: Enterprise SaaS / Manufacturing / SMB Digitalization
  • Role: Founder & Consulting CTO (Aaruni Technology Solutions)

The Challenge

A legacy HRMS and business management software provider was losing market share due to complex on-premise deployments, high maintenance overhead, and a lack of recurring subscription revenue.

The Solution

  1. Conceptualized and architected the complete “2.0 Business Model,” transitioning the monolithic, on-premise system into a multi-tenant PaaS and SaaS cloud offering.
  2. Designed automated document data extraction pipelines for invoices and bills, integrating directly with upstream ERP systems (SAP/Odoo).
  3. Built custom Business Intelligence (BI) costing models utilizing SAP ERP data to pinpoint machine idle time and calculate financial impact for manufacturing clients.

Technology Stack

  • Cloud & Full-Stack: Azure/AWS, React.js, Java/.NET Core, REST APIs.
  • Data & Analytics: PostgreSQL, Tableau BI, SAP ERP Integration Connectors.

Business Impact

  • New Revenue Model: Unlocked predictable, recurring annual SaaS revenue for the software vendor.
  • Operational Efficiency: Automated invoice data extraction, cutting client manual data processing effort by over 50%.