Sr. Tech Lead, Prod Dev in Bangalore, भारत

Responsibilities

• Perform cross-layer root-cause analysis of field and lab issues across UE, PHY, DU/MAC/SCH, CU/L3, core, platform, RRH, EMS, and system-monitoring layers.
• Reproduce field and customer issues in production-like lab environments.
• Investigate production code, deliver bug fixes, and own issues through validation and closure.
• Work directly with customers and field teams and feed findings into design, regression, and stability improvements.
• Develop features driven by framework gaps and customer requirements.
• Use AI tools for code understanding, log analysis, debugging, evidence correlation, and RCA.
• Improve monitoring and validation coverage and raise software quality before issues reach the field.

Requirements

• Bachelor of Engineering degree in Computer Science, Electronics, Information Technology, or a relevant field.
• Strong software engineering experience with C and C++, plus Python for tooling and automation.
• Ability to read and fix production RAN stack code.
• Understanding of 2G, 4G LTE, and 5G NSA/SA systems, including RRC, S1AP/NGAP, X2/Xn, PDCP/RLC/MAC scheduling, PHY/FAPI, GTP-U, and core/platform interfaces.
• Proven debugging and RCA skills using coredumps, gdb, log and PCAP analysis, memory/crash triage, and KPI/counter reasoning.
• Ability to reason across UE, RAN, core, platform, and EMS layers.
• Willingness and aptitude to use AI tools as a daily engineering accelerator.
• Ability to drive issues from identification through fix and validation.
• O-RAN, disaggregated CU-DU, fronthaul split 7.2, PTP/timing, IPsec/transport, EMS/OSS, Kibana/KPI monitoring, PM counters, field deployment, NPI, or Scrum/Agile experience is advantageous.

Benefits

• Work location: Bengaluru.
• Opportunity to work in a friendly-customer-in-the-lab operating model with direct customer impact and end-to-end system ownership.