API Integration Engineer- E-invoicing MBC Management Consultancies

Job Description

We are looking for an API Integration Engineer – E-Invoicing with strong hands-on experience in PEPPOL-based e-invoicing integrations. The role involves designing, implementing, and supporting secure, compliant invoice exchange solutions across ERP systems and PEPPOL networks.

Key Responsibilities

• Ensure system connectivity with a certified PEPPOL Access Point (AP)
• Configure secure communication using PEPPOL protocols (AS2/AS4, SML/SMP)
• Coordinate with PEPPOL service providers for onboarding and certification
• Ensure invoice data compliance with PEPPOL BIS Billing 3.0 standards
• Map ERP invoice data to PEPPOL-compliant XML (UBL) formats
• Validate structured invoice data prior to transmission
• Integrate ERP systems such as SAP, Oracle, Zoho, Tally, and similar platforms with PEPPOL gateways
• Develop and manage APIs, batch upload workflows, and automation rules
• Build and customize connectors as required
• Implement encryption, digital signatures, audit logs, and security controls
• Monitor compliance with regional e-invoicing regulations (UAE, KSA, EU, etc.)
• Ensure alignment with local tax authority requirements alongside PEPPOL
• Conduct end-to-end testing (Sender → AP → Receiver)
• Resolve XML errors, mapping issues, validation failures, and integration defects
• Monitor invoice delivery using dashboards and system logs
• Troubleshoot delivery failures, rejections, and SMP lookup issues
• Ensure system uptime, scalability, and performance
• Prepare technical documentation, SOPs, and user guides
• Train finance and operations teams on e-invoicing workflows
• Support upgrades and enhancements as PEPPOL standards evolve
• Assist in defining invoice rules, validation logic, approval workflows, and automation policies