Design, build, and maintain distributed backend services for large-scale network data. Contribute to architectural redesign of a core discovery system. Lead and support migration of backend services to Docker and Kubernetes. Define and implement deployment, scaling, and reliability strategies. Write high-quality backend code using Node.js and TypeScript, with opportunities in Go. Collaborate with backend, frontend, and network engineers. Improve system performance, observability, and resilience. Integrate and maintain messaging, caching, and database components (RabbitMQ, Redis, PostgreSQL).