Case Study: Modernizing a Legacy Invoicing System for Emirates Flight Catering(EKFC) Finance Department
In the FinTech industry, speed, accuracy, and compliance are non-negotiable. Yet many organizations still operate on outdated legacy systems that create inefficiencies and risks.
This case study showcases how a financial services company modernized its MS Access–based invoicing system by migrating to a Python + Django web application hosted on Microsoft Azure, with a dedicated on-premise compliance database for secure logging and auditing. The result: processing time reduced from 4 hours to just 5 minutes, improved security, and compliance-ready infrastructure.
Challenges
The client’s original system was an MS Access desktop application with its own database. Over time, it presented multiple challenges:
- Severe Performance Issues – Generating a single receipt took up to 4 hours, delaying client operations.
- Dependency on Legacy Software and Technical Debt – The tool only worked with specific MS Office versions, making upgrades impossible.
- Compliance Risks and restrictions – No proper logs or restricted user access, increasing vulnerability and prohibited moving the production database directly to public cloud infrastructure.
The system had become a bottleneck, preventing the company from scaling and staying compliant with financial regulations.
Our Solution
We designed and implemented a modern hybrid solution combining the cloud’s scalability with on-premise compliance safeguards:
- Web Application – Built using Python (Django framework), hosted securely on Microsoft Azure Cloud.
- Hybrid Database Strategy:
- Primary Data stored in Azure SQL Database for scalability and high availability.
- Local On-Premise SQL Database dedicated to logs and compliance records, ensuring audit data remains under the client’s direct control.
- Security Enhancements:
- Set up a VPN tunnel between your on-prem firewall/router and Azure Virtual Network Gateway.
- Traffic between Django (in Azure) and Local DB stays encrypted and goes over private IP space.
- Configured the Python Django + OPC UA application for dual-environment awareness, ensuring IoT and automation functions remained operational in DR mode.
Results & Impact
The modernization brought immediate and measurable improvements:
- 99% Faster Processing – Critical operations reduced from hours to minutes.
- Compliance-Ready Logging – Secure local storage of all activity logs, with backups, met regulatory requirements.
- No Legacy Dependency – Independence from outdated MS Office versions.
- Scalable, Secure and Compliant – Hybrid cloud + local architecture provided the best of both worlds. Web-based access for authorized users on designated networks and proprietary Financial data stays secure on prem DB