IP/Optical Cross-Layer Integration: Extend controller capabilities to bridge IP and optical transport layers Streaming Telemetry & Observability: Build reliable, high-throughput telemetry and analytics pipelines using NetFlow, IPFIX, gNMI, gRPC, BMP, and OpenTelemetry that is engineered to operate at Global scale ingesting several 100s of Millions of BGP routes and flow records High-Performance Microservices & Resiliency: Implement secure, low-latency services (Go, C, Python) with TLS/mTLS, adopting SRE best practices and GitOps-driven deployment (Kubernetes, Terraform, ArgoCD).8+ years of software engineering experience building and operating large-scale distributed systems and network software. Distributed WAN Controllers & Control Planes: Design fault-tolerant SDN controllers and state synchronization systems for global traffic engineering, dynamic path optimization, and intent-based routing Configuration Modeling & Automated State Push: Architect declarative config generation, schema validation, and transactional push engines to multi-vendor network elements using OpenConfig/IETF YANG models and gRPC Routing & Forwarding Plane Interaction: Build software controllers that can create customized routing / forwarding table views and program the control / data planes on the physical and containerized routers using gRIBI or vendor specific SDKs and APIs.