Case study

B2B customer portal with ERP integration—self-service ordering, billing visibility, and support tickets.

Platforms & integration

B2B customer portal & ERP sync

A secure web portal giving trade customers real-time order status, invoices, and ticket submission—kept in sync with the client’s ERP through resilient APIs and queued jobs.

Client
Regional distributor (NDA)
Timeline
7 months
Year
2025
Services
UX, full-stack dev, DevOps
Analytics and dashboard interface
Business data visualization
Software development workspace

Project overview

The client’s customers relied on email and phone for order updates, creating delays and disputes. Finance needed billing data aligned with shipments without manual spreadsheet reconciliation.

The challenge

Fragmented communication, limited self-service, and brittle point-to-point scripts between the public website and ERP caused sync errors during peak season.

Our approach

Eltech System delivered a secure portal with role-based access, a message-driven integration layer with retries and dead-letter handling, and observability dashboards for operations teams.

Impact & results

Measurable reductions in support load and order disputes, with finance closing faster thanks to automated reconciliation jobs.

35%
Fewer status inquiries to support
99.5%
Successful nightly sync runs
4.6
Portal satisfaction (survey)
50%
Faster invoice dispute resolution

Technology Stack

Frontend
React TypeScript Styled Components
Backend
Node.js PostgreSQL GraphQL
Infrastructure
AWS Docker Kubernetes

Key capabilities

Production-ready patterns for B2B self-service and ERP-backed workflows.

SSO & fine-grained roles

Customers see only their contracts, sites, and orders; admins get operational tooling with full audit trails.

Resilient ERP synchronization

Queued jobs, idempotent handlers, and replay tools when upstream systems hiccup.

Operations visibility

Dashboards for sync health, API latency, and business exceptions—integrated with alerting.