Nokia Networks

Overview

Worked on 5G Standalone core network development, focusing on handover procedures and testing infrastructure. Contributed to ensuring full 3GPP compliance while improving system reliability and test automation.

Key Contributions

• 015G Handover - Designed and implemented 5G SA Inter-gNB and NGAP-based handover procedures, improving handover success rate by 15% and ensuring full 3GPP compliance.
• 02Testing Framework - Led the revamp of the System Component Testing framework from Python to TTCN-3, reducing maintenance effort by 40% and doubling new test onboarding speed.
• 03CI Stability - Leveraged TTCN-3 abstraction and concurrency to cut runtime errors by 30%, improving CI stability across the team.
• 04Automation - Developed reusable model-based test suites supporting distributed 5G call flows, increasing automation coverage from 60% to 90%.