Senior SAP CPI Consultant - E-Invoicing and Tax Integration

Senior Consultant - Package Implementation

SAP BTP CPI Consultant E Invoicing SAP DRC Vertex

Role Overview

SAP CPI Consultant responsible for designing developing and managing integration flows between SAP S4HANA SAP DRC e invoicing Vertex tax engine and external government portals using SAP BTP Integration Suite CPI

Key Responsibilities

1 CPI iFlow Development Integration Design

Design and develop SAP CPI iFlows for e invoicing and tax integration scenarios

Build integrations between

oSAP S4HANA

oSAP DRC E Document framework

oVertex tax engine

oExternal e invoicing portals APIs

Implement synchronous and asynchronous integration patterns

2 E-Invoicing Vertex Integration Enablement

Enable CPI integration for

oInvoice data transmission and validation

oTax calculation and response handling Integrate across modules

oFI ARAP SD Billing MM Invoice processing

Handle end to end invoice lifecycle with external systems and compliance layers

3 Adapter Configuration Connectivity

Configure CPI adapters

oHTTPS REST SOAP IDoc SFTP OData Establish integration with Vertex tax engine

oGovernment e invoicing portals

oThirdparty taxfinance systems

Manage connectivity security and certificates

4 Data Mapping Transformation Perform message transformations using

oGraphical mapping

oXSLT

oGroovy scripting

Map SAP invoice and tax data to

oVertex formats

oCountryspecific e invoicing schemas

Ensure payload validation enrichment and error handling