Internal Finance Hub - Enterprise Finance Platform
A centralised internal finance platform to replace fragmented manual processes across payment processing, payroll administration, and invoice generation. The system had to integrate securely with their on-premise SAP B1 database over a VPN tunnel and meet strict enterprise security requirements including Cyber Essentials Plus and ISO 27001 alignment.
A full-stack enterprise finance platform built with Go, HTMX, and Tailwind CSS. The system integrates with SAP B1 for real-time financial data, the Tyl by NatWest payment gateway for secure payment link generation, and Microsoft Azure AD for single sign-on authentication. Key modules include payment link generation with HMAC-signed URLs, BACS payment run management, proforma invoice generation with PDF export, salary metrics dashboards, and a real-time finance dashboard with 13 KPI cards, all with granular role-based access control and comprehensive audit logging.
Consolidated multiple finance workflows into a single secure platform
Real-time bidirectional SAP B1 integration via encrypted VPN tunnel
Payment gateway integration with Tyl by NatWest completed seamlessly
Enterprise-grade security with Azure AD SSO, CSRF protection, CSP headers, and rate limiting
Full compliance alignment with Cyber Essentials Plus, ISO 27001, PCI DSS (SAQ A), and UK GDPR
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