Role & responsibilities

JOB DESCRIPTION MATRIXX CCS / OCS Developer (5–8 Years Experience) Position: MATRIXX Digital Commerce Developer Experience: 5–8 Years About the Role We are seeking a skilled MATRIXX CCS/OCS Developer experienced in MATRIXX Digital Commerce, including 5G Converged Charging System (CCS/CHF) and 4G Online Charging System (OCS). Key Responsibilities • Develop and configure MATRIXX solutions for real-time charging, rating, and balance management. • Implement 5G CCS/CHF functions including Nchf and SBA integrations. • Develop 4G OCS features (Diameter Ro, rating groups, service classes). • Work with Product Catalog, Pricing Engine, Wallet Models, and JSON rules. • Build REST API integrations with BSS/OSS, CRM, and orchestration systems. • Configure subscriber lifecycle flows and entitlement logic. • Integrate with network elements using Diameter, HTTP/2, and 5G SBA APIs. • Troubleshoot real-time charging flows and performance issues.



• Support upgrades, cluster scaling, and performance tuning. Required Skills • 5–8 years in MATRIXX CCS/OCS development. • Strong knowledge of 5G CCS/CHF, 4G OCS, Diameter Ro. • Expertise in rating logic, wallet models, JSON/JOLT rules. • Skilled in Java/Python/Shell scripting. • Robust understanding of REST APIs and microservices. • Knowledge of Diameter, HTTP/2, Cassandra/PostgreSQL. Good to Have • Experience with 5G SA/NSA. • Policy (PCF/PCRF) integrations. • TM Forum APIs. • Kubernetes, Docker, CI/CD pipelines. • Knowledge of CRM, Billing, and BSS systems. Soft Skills • Strong analytical and communication skills. • Ability to work in fast-paced telco environments. • Ownership mindset. Education Bachelor's or Master's in CS, IT, Electronics, or Telecom

📌 Matrixx Digital Commerce Developer (Kolkata)
🏢 Tata Consultancy Services
📍 Kolkata