R Systems
Website:
rsystems.com
Job details:
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.
• Good 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)
Click on Apply to know more.