SAP C4CP Functional & Integration Specialist

Calgary, AB, Canada

$60 to $70 CAD / hour · Contract

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Job details

Pay: $60 to $70 CAD / hour
Job type: Contract
Apply by: Nov 21, 2026
Posting language: English
Posted: Oct 22, 2026

Original job description

Project: C4CP Replacement/Customer Payments Portal

Role Type: Project-based Functional/Technical SME

Primary Platforms: SAP S/4HANA, SAP Cloud for Customer Payments, SAP Integration Suite/CPI, SAP APIs

Role Overview

We are seeking an experienced SAP Cloud for Customer Payments (C4CP) Functional & Integration Specialist to support the replacement of the existing C4CP customer-facing portal.

The current C4CP solution provides customers with self-service access to account information and capabilities including viewing account statements, invoices, payments and related information. Also includes payment/invoice matching, payment advice, payment creation/management, master-data management and account assignments as C4CP capabilities.

The successful candidate will bridge SAP functional knowledge, SAP technical/API knowledge and solution integration, helping the project team understand how current C4CP functions are implemented and how those capabilities should be reproduced through the replacement portal.

Key Responsibilities

C4CP Functional Analysis & Reverse Engineering
Analyze the existing C4CP implementation and document end-to-end business processes, underlying SAP dependencies, configuration and data flows.
Translate existing C4CP functionality into detailed functional and technical requirements for the replacement solution.
Distinguish UI functionality from underlying SAP processing, configuration and integration behavior.
Identify required input/output fields, business rules, status handling, filters and dependencies for each C4CP capabilities implemented at client
SAP API Assessment & Data Mapping
Identify and assess SAP APIs required to replace current C4CP functionality.
Map C4CP functional requirements and data elements to corresponding SAP API fields.
Validate API request/response structures, filtering requirements and business-partner restrictions.
Identify functionality or data not supported through standard APIs and recommend appropriate SAP-side solutions.
Assess impacts from API changes, deprecated interfaces and SAP release changes.
Payment & Accounts Receivable Processes

Provide Functional Expertise Across C4CP-supported Customer Payment Processes, Including

Open invoice retrieval
Full and partial payments
Multiple-invoice payments
Payment methods
Payment status
Customer account statements
Payment history
Due dates and document currency
Payment blocks
Credit/open-item handling
Dispute Management Integration
Understand C4CP integration with SAP dispute-management processes.
Define requirements for creating and displaying disputes.
Map dispute reason codes, statuses, comments, notes and amounts.
Assess attachment upload/download requirements.
Validate end-to-end interaction between the portal, SAP APIs and SAP dispute objects.
Invoice & Document Integration
Define SAP integration requirements for invoice display and download.
Validate invoice/open-item APIs and associated data mappings.
Assess document/attachment retrieval APIs.
Support requirements for PDF and associated invoice-document downloads.
Validate appropriate customer/account authorization when retrieving documents.
Customer & Business Partner Integration
Analyze customer/business-partner master-data requirements.
Define account-to-user relationships and required SAP data.
Validate Sold-To account authorization and filtering rules.
Support integration and synchronization design between the customer portal and relevant master-data sources.
Ensure APIs restrict returned information to appropriate business partners/accounts.
SAP Integration Architecture

Work closely with solution architects, integration developers and SAP teams to define:

Customer Portal → Integration Layer → SAP S/4HANA

Responsibilities Include

SAP API/service identification
API activation and validation
Integration mappings
Authentication/connectivity requirements
Error-handling requirements
SAP-side functional validation
Integration testing
Performance and data-volume considerations
Configuration Assessment

Analyze existing C4CP configuration and determine how equivalent capabilities should be provided in the replacement solution, including areas such as:

Pay My Bills
Manage My Payments
Display My Account Statement
Customer/account master data
Payment configuration
Disputes configuration
Attachment/download settings
Layout and label configuration
User/account assignment
Administrative controls
Testing & Solution Validation
Develop SAP-focused functional and integration test scenarios.
Support SIT and UAT.
Validate API response/data accuracy against existing C4CP/SAP behavior.
Troubleshoot SAP integration defects.
Validate payment, dispute, invoice, master-data and document scenarios.
Support regression testing associated with SAP upgrades/API changes.

Essential

Required Experience

Strong hands-on SAP S/4HANA experience.
Strong SAP Accounts Receivable / FI-AR knowledge.
Experience with SAP Cloud for Customer Payments (C4CP) or closely related SAP customer-payment solutions.
Strong understanding of customer payments, disputes, invoices, open items and account statements.
Experience with SAP APIs/OData services and integration patterns.
Experience mapping SAP business processes to API-based applications.
Ability to analyze API payloads, fields, filters and dependencies.
Experience troubleshooting end-to-end SAP integrations.
Ability to translate business requirements into SAP functional and technical specifications.

Highly Desirable

SAP FSCM / Dispute Management experience.
SAP Integration Suite / CPI knowledge.
SAP Fiori experience.
Customer/business-partner master-data knowledge.
Experience with document or attachment retrieval from SAP.
Experience modernizing or replacing SAP SaaS applications.
Experience assessing deprecated SAP APIs/services and identifying successor interfaces.

Critical Skill Profile

The Strongest Candidate Should Combine Three Skill Sets

SAP Functional → FI-AR, payment processing, customer accounts, disputes, master data

C4CP Product Knowledge → Configuration, customer portal processes and underlying C4CP behavior

SAP Integration → S/4 APIs, OData, Integration Suite/CPI, mappings, authentication and troubleshooting

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More about this job

Responsibilities

Analyze the existing C4CP solution, document its processes and configuration, and translate its capabilities into functional and technical requirements for a replacement customer portal. Assess SAP APIs and data mappings, define integration and authorization requirements, and support testing and troubleshooting across payments, invoices, disputes, documents, and customer data.

Requirements

Requires strong hands-on SAP S/4HANA and FI-AR experience, knowledge of C4CP or related customer-payment solutions, and expertise in payments, disputes, invoices, open items, and account statements. Candidates should also have experience with SAP APIs or OData, API-based integration, business-process mapping, and end-to-end integration troubleshooting; SAP FSCM, Dispute Management, and Integration Suite/CPI experience are desirable.

Skills

SAP S/4HANA
SAP FI-AR
SAP Cloud for Customer Payments
SAP APIs
OData Services
SAP Integration Suite
SAP CPI
Payment Processing
Dispute Management
Accounts Receivable
Business Partner Master Data
API Data Mapping
Integration Testing
SAP Fiori
Functional Requirements Analysis
Integration Troubleshooting

Visa sponsorship

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Keywords

SAP S/4HANA
SAP Cloud for Customer Payments
SAP Integration Suite
SAP CPI
SAP APIs
OData Services
SAP FI-AR
SAP FSCM
SAP Fiori
Accounts Receivable
Customer Payments
Payment Processing
Open Items
Account Statements
Dispute Management
Business Partner Master Data
Invoice Integration
Document Retrieval
API Assessment
Data Mapping
Authentication
Integration Architecture
Functional Analysis
Configuration Assessment
System Integration Testing
User Acceptance Testing
Regression Testing
Customer Portal
Payment Advice
SAP SaaS Modernization

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