# Software Engineering Professional at BT Group

BT Group is hiring a Software Engineering Professional in Bengaluru, India. Level rates it Little AI ●○○○; you can [apply on BT Group](https://jobsbylevel.com/go/6f4cdc3b-5a31-4ec0-aa78-08ed0a98c4b7?utm_medium=ai-agent).

AI Level 1, AI centrality 26 out of 100. Campus 4A/4B, Floor 10/11, Bengaluru, India.

## Details

- Company: [BT Group](https://jobsbylevel.com/companies/bt-group)
- AI level: AI Level 1 (score 26 out of 100)
- Location: Campus 4A/4B, Floor 10/11, Bengaluru, India
- Posted: October 31, 2026
- Apply: https://jobsbylevel.com/go/6f4cdc3b-5a31-4ec0-aa78-08ed0a98c4b7?utm_medium=ai-agent
- Free CV review for this job: https://jobsbylevel.com/cv-review?job=software-engineering-professional-at-bt-group-be5fa5

## Description

Essential Skills / Experience • Expertise in Oracle OCOMC/ONM (v6/12/15) , including cartridge development (EEs, PO components, Chains, Pipelines), NPL scripting for transformation, enrichment and correlation, CDR parsing, normalization and aggregation, file collection and distribution, high-throughput processing of multi-network event types, along with deployment, performance tuning and troubleshooting of mediation workflows. • Strong background in Java/J2EE development, with experience in building and consuming REST APIs, multi-threaded processing and concurrency, along with proficiency in scripting (Shell/Python/Perl) for automation, tooling, and monitoring. • Strong experience with WebLogic Application Server, including deployment and tuning of Java applications, JVM performance optimization, cluster management, JDBC tuning and thread pool configuration, along with troubleshooting of memory leaks, stuck threads, and connection-related issues. • Hands-on experience with Netcracker Revenue Manager (NCRM/NC-RM) or equivalent rating ecosystems, including rating engine concepts, charge calculation flows, configuration of price plans, rating rules, usage types, event models • Proven ability in debugging rating discrepancies and missing usage events, working with product catalog, tariff models, charging rules and discounts, ensuring seamless Mediation → Rating → Billing alignment, and batch and near-real-time rating workflows. • Strong understanding of telecom network feed formats in Mediation and Rating systems, including Diameter (CCR/CCA), ASN.1-based CDRs, TAP/RAP/NRTRDE for roaming, 3GPP CDR formats (VoLTE, 5G, GTP’, SIP, CAMEL), IPDR, and vendor-specific formats (Huawei, Ericsson, Nokia, Cisco), along with the ability to decode, interpret, map, and troubleshoot raw network events. What you’ll be doing • Technical Solution Delivery Supports the implementation of technical solutions for internal and external customers across telecom mediation flows, resolving inter system issues and contributing within cross functional squads. • Architecture & Technology Choices Contributes to technical decisions, technology selection, and architecture direction for high performance mediation platforms, balancing immediate product needs with long term transformation. • Software Design & Development Supports the design and development of software components aligned with enterprise architecture and BT’s security standards. • Continuous Learning & Technical Reviews Undertakes code and design reviews to enhance proficiency and ensure alignment with software engineering principles and industry standards. • Technical Specifications & Low Complexity Builds Helps design technical specifications and develops software solutions for smaller or less complex initiatives, ensuring high quality delivery. • Coding & Testing Writes, tests, debugs, and reviews code under supervision, ensuring clarity and quality across engineering teams. • Systems Integration Integrates existing software products and resolves routine issues to ensure interoperability across diverse platforms and mediation layers. • Defect Management Monitors, troubleshoots, and corrects software defects to ensure platform reliability and service stability. • Tooling & Automation Supports the implementation, optimization, and maintenance of CI/CD pipelines and automation tooling that improve developer efficiency and accelerate delivery. • Technical Roadmap Contribution Supports delivery of a forward-looking technical roadmap that meets needs of engineering teams, operations, and business stakeholders. • Engineering & Operational Excellence Assists in defining and implementing metrics, processes, and continuous improvement initiatives to drive engineering maturity. • Process Improvement Contributes to refining and optimizing engineering ways of working within the software engineering domain. About the role Telecom mediation and rating platforms process billions of events every single day—usage

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