Staff Engineer

13+ years of experience in online charging systems, with at least 4-5 years in a solution architect role focused on Matrixx online charging system.

Deep understanding of online and offline charging principles.

Proven hands-on experience designing and implementing solutions using the Matrixx Digital Commerce Platform (DCP).

Strong work experience in Matrixx Product offer configurations, including balances, meters, normalizers, filters, price configurations, decision tables, Normalizer Chaining, parameterized price components for dynamic charge configuration requirements, side loader changes, and parameterized offers.

Strong work experience in configuring catalog items, product offers, bundles, and notifications for price plans.

Experience in extending Matrixx Data containers and event files as per requirements.

Experience in using the Matrixx test framework for validation of offers.

Exposure to Datadog and Grafana for application monitoring.

Proficiency in Python & Shell scripting.

Hands-on experience with databases such as Oracle, Snowflake, and MongoDB on cloud platforms.

Expertise in 3GPP standards for charging, including Diameter interfaces (Gy, Gx, Sy) and 5G Service Based Architecture (SBA) interfaces (Nchf).

Experience with Policy and Charging Rules Function (PCRF) / Policy Control Function (PCF) integration.

Experience in implementing Online Charging for 5G services, integrating with other network components, and configuring AVPs as per requirements.

Experience in architecting the observability stack (monitoring, logging, tracing) using tools like Prometheus, Grafana, to ensure deep visibility into the platform's health and performance will be an added advantage

Technical expertise in Telecom Networking protocols (DIAMETER, SS7, MAP, INAP, CAP, SNMP, etc.).

Exposure to web service protocols (REST, SOAP, JSON, XML, etc.).

Strong experience in REST APIs, SOAP, JSON, Kafka, and JMS.

Hands-on experience with containerization (Docker), orchestration (Kubernetes), and deploying applications on public / private AWS cloud platforms

Exposure to AWS and CI / CD will be an advantage.

Strong experience in resolving technical issues reported for the environment.

Deep knowledge of the end-to-end telecom flow and the ability to think logically towards issue resolution.

Excellent verbal and written communication skills, with the ability to create high-quality technical documentation and present to leadership teams