Job Summary
We are looking for an experienced End-to-End Charging System Design Engineer to design, implement, and optimize charging and billing solutions across telecom or digital service platforms. The role involves working across Online Charging Systems (OCS), billing systems, mediation layers, and service platforms to ensure accurate rating, charging, and revenue assurance.
Key Responsibilities
1. Charging Architecture & Design
Design and implement end-to-end charging solutions covering prepaid, postpaid, and hybrid billing models.
Define architecture for real-time and offline charging flows.
Integrate charging platforms with network elements, digital services, and billing systems.
2. System Integration
Integrate charging systems with:
Network elements (e.g., GGSN/PGW/SMF, SMSC, IMS)
Mediation platforms
CRM and billing systems
Payment gateways and digital services
Ensure seamless data flow from service usage → mediation → rating → billing.
3. Charging Logic & Configuration
Design rating rules, charging policies, and tariff structures.
Configure product catalog, pricing plans,



bundles, and promotions.
Implement real-time charging policies for voice, data, SMS, and digital services.
4. Performance & Scalability
Optimize charging system performance for high transaction volumes.
Ensure low latency real-time charging.
Design high-availability and failover mechanisms.
5. Testing & Validation
Develop and execute end-to-end charging test scenarios.
Validate charging accuracy across:
Usage events
Rating
Balance deduction
Billing generation
Collaborate with QA teams for system validation.
6. Revenue Assurance & Compliance
Ensure accurate revenue capture and prevent revenue leakage.
Support audit and compliance requirements.
Work with revenue assurance teams to validate charging logic.
7. Documentation & Stakeholder Collaboration
Create design documents, system flows, and integration diagrams.
Work with product, network, IT, and operations teams.
Support production deploym

📌 Online Charging System Designer (Noida)
🏢 IP Global Services
📍 Noida