Technical Lead (Charging & Mediation)
Core
Technical Lead for Charging & Mediation systems that convert mobile network usage into rated, charged, and billed services across 2G to 5G networks.
Role type
Senior Technical Lead (Telco Charging & Mediation)
Builds
Online/offline charging, mediation, and payment gateway platforms for data, voice, SMS, and VoLTE.
Domain
Telecommunications (Mobile Network Charging & Billing)
Required skills
Telco BSS/OSS system architecture, 3GPP charging protocols (Diameter Gy/Ro/Rf, CAMEL, CDR), 5G Standalone (SBA) architecture, distributed systems design, vendor platform evaluation, technical debt reduction.
Preferred skills
Cloud-native modernization (Kubernetes, OpenShift), CI/CD, Linux, SQL, Python, Bash, Kafka, payment gateway/carrier billing, VoLTE/VoNR/IMS charging.
Responsibilities
Own and evolve technical architecture for charging/mediation/payment platforms; lead integration between IT and network domains (Diameter, 5G CHF/Nchf); drive 5G SA roadmap while maintaining legacy stability; act as senior technical escalation point for critical incidents; improve reliability, observability, and revenue assurance; partner with vendors and product owners.
Seniority
Senior, hands-on IC with leadership responsibilities
