Johannesburg: Billing Systems Developer

About the Role

Our client is seeking a skilled Billing Systems Developer to own and advance the billing systems layer within their BSS environment, with a strong focus on both consumer and wholesale billing. This role involves working directly with billing platforms (including Sage) and developing integrations between billing and operational systems.

Key Responsibilities

• Develop, maintain, and enhance billing system integrations between Sage, ServiceNow, and internal platforms across consumer and wholesale billing channels
• Build and support automated billing workflows including invoice generation, payment reconciliation, credit management, and account management for both consumer and wholesale customers
• Ensure billing data accuracy and consistency through validation logic and cross-system auditing across all billing channels
• Collaborate with Finance, Sales, and Service Assurance teams to understand consumer and wholesale billing requirements and resolve discrepancies
• Develop APIs and data pipelines for billing data exchange across BSS and OSS platforms
• Support wholesale billing processes including partner/reseller billing, interconnect settlements, and revenue sharing where applicable
• Troubleshoot and resolve billing-related incidents and data issues across consumer and wholesale accounts

Requirements

• 4 years of experience in billing systems development, ERP integration, or financial systems engineering
• Experience working with Sage or similar accounting/billing platforms
• Proficiency in Python, SQL, or similar languages for data manipulation and automation
• Hands-on experience with REST API development and database management
• Strong understanding of billing processes across consumer and wholesale channels (invoicing, payments, credit management, reconciliation, partner settlements)
• Experience with wholesale or interconnect billing, revenue sharing, or reseller billing models is expected

Qualifications

• Experience in telecommunications or ISP billing environments, particularly with consumer and wholesale billing models
• Familiarity with TMF Open APIs (especially TMF666 – Account Management, TMF678 – Customer Bill Management)
• Understanding of revenue assurance, financial data governance, and multi-channel billing reconciliation
• Exposure to ETL tools or data pipeline frameworks

Salary & Benefits

No information available