Exp Range - 7 to 15 Yrs

Mandatory Technical Skills -

Core

• Senior-level Java development (7+ years) – backend, with solid OOP and design fundamentals.

• Hands-on experience with OpenCloud Rhino and JAIN SLEE application development.

• Positive to have exp with SAP Convergent Charging (SAP CC) – configuration, development and/or integration in a real-time charging context.

Telecom Domain & Protocols

• Convergent / online charging domain: rating, prepaid call control, CDR processing, subscriber account management.

• Telecom protocols: SIP, Diameter, SS7 / IN (CAPv2, MAP).

• Understanding of IVR / media handling and call-flow / routing configuration.

Platform & Tooling

• Oracle and SQL; Linux / Red Hat Enterprise Linux administration and troubleshooting.





• Build & version control: Maven, Git; ticketing with JIRA.

• Experience operating in production support (L2/L3), MOP execution and maintenance windows.

6. Nice-to-Have / Desirable Skills

• Experience with Dialogic PowerMedia XMS, WebRTC or IVR platforms.

• EAI / integration layers, CRM (vTiger / PHP) and BI / Jasper reporting.

• Monitoring with Zabbix; automation/deployment with Chef or Ansible.

• IMS / SIP integration experience (e.g., Huawei IMS) and NGN/NGIN migration.

• Test automation frameworks (Robot Framework, JMeter, Seagull/SIPp)

📌 Lead/Architect ( JSLEE, OpenCloud Rhino) (India)
🏢 R Systems
📍 India