Develop and lead end-to-end QA strategy and architecture for 5G Session Management Function products. Design functional, API, performance, scalability, resiliency, chaos, security, network slicing, and QoS testing. Validate SMF interactions with core network functions and 3GPP compliance. Establish Kubernetes-based test environments, automation frameworks, CI/CD quality gates, KPIs, and release criteria while mentoring QA engineers and collaborating with product, development, DevOps, and architecture teams.