Software Engineer
- Location Bangalore, India
- Experience 4-9 yrs
- Job type Full-time
- Posted 15 Oct 2026
You will be taken to Cisco’s own careers page to apply. Job ID 2026383.
Job description
Meet the Team The Cisco Optical Network Controller (CONC) team leads the industry in optical SDN controller solutions, powering mission-critical tier-1 service provider networks globally. We develop cloud-native, distributed microservices capable of high-throughput network control and state synchronization. Operating without a separate test organization, our Senior Engineers drive both architectural excellence in Java microservices and automated validation frameworks in Python.
Your Impact
- Technical Design & Architecture: Lead the design and implementation of complex, resilient Java microservices for topology discovery, service provisioning, circuit path computation, and lifecycle management.
- Dev-Test Architecture & Strategy: Architect scalable, reusable Python test automation frameworks; mentor engineers on writing robust end-to-end tests for distributed edge cases (e.g., node failover, high availability, scale).
- Performance & Scale Optimization: Profile, troubleshoot, and optimize microservice performance, concurrency, and memory footprint in containerized Kubernetes clusters.
- Code Quality & Mentorship: Drive rigorous code reviews, test-driven development (TDD), automated regression guardrails, and technical onboarding for junior engineers.
- Release & Customer Quality: Partner with Product Leads and Architects to ensure carrier-grade reliability and rapid turnaround on critical customer escalations.