5+ years of backend or platform engineering experience 3+ years of Go in production environments 3+ years Kubernetes operations (building, debugging, scaling clusters) Experience in distributed systems and microservice architectures Expertise in distributed systems and microservice design Experience with gRPC & Protobufs Experience developing Kubernetes operators/controllers with client-go or controller-runtime Solid understanding of PostgreSQL (admin, replication, query tuning, migrations) Strong focus on testing, code quality, and best practices (>80% coverage, linting, peer reviews)