Resource Request – Job Description

Position Details Role nameSenior Java DeveloperLevel of seniority requiredSeniorNo. of open positions2Offices where role is openIndiaPriority of the positionActiveOpen date of the position28.07.2026Starting date expectedASAPLanguage requiredEnglish (mandatory)Engagement contextMaintenance & Support (TSA) + new service developmentType of recruitmentReplacement
Role Description / Summary

We are looking for a Senior Java Developer to develop, maintain and support the R Systems “Telco-in-a-Box” (TIAB) platform, a carrier-grade convergent charging and service-orchestration solution deployed for a major telecom operator. TIAB combines the OpenCloud Rhino (JAIN SLEE) telecom application server with a SAP Convergent Charging (SAP CC) real-time charging engine and a set of surrounding components (Diameter Signaling Platform, PowerMedia XMS/IVR, EAI, CRM, VMS, BI and monitoring). The successful candidate will provide Level 2 / Level 3 support under the Technical Support Agreement (TSA), resolve defects, implement change requests and enhancements,



and act as a technical reference within a distributed delivery team across Romania, India and Malaysia.

Technical Setting (TIAB Platform)

The candidate will work across the following TIAB components and third-party technologies:

OpenCloud Rhino – JAIN SLEE telecom application server.
SAP Convergent Charging (SAP CC) – real-time convergent charging / rating engine
Dialogic PowerMedia XMS – media server hosting the IVR
SIP Call Control, IVR and BSS for Account-Based Services Platform (prepaid call control, subscriber-based).
EAI (enterprise integration layer), CRM, VMS (Voucher Management), Web Self Care.
BI / Jasper Report Server, NMS Zabbix, Red Hat Enterprise Linux, Oracle.
Key Responsibilities
Develop, maintain and support Java-based telecom applications on the OpenCloud Rhino JAIN SLEE (JSLEE) application server.
Configure, troubleshoot and enhance the SAP Convergent Charging (SAP CC) re

📌 Senior Java Telco Lead (Karamba)
🏢 R Systems
📍 Karamba