Build, test, and deploy advanced voice AI agents in minutes with Vapi. The platform for developers creating conversational voice AI. Backed by Bessemer, Peak XV and Y Combinator.
About the role
30 Day : Ramp on the cell-based architecture, the regional EKS clusters (backend / networking / persistence / monitoring / models / kafka), and the Pulumi stacks. Shadow oncall, walk recent incidents (Envoy response flags, conntrack drops, cross-zone LB target resets), and own a first scoped infra change end-to-end.
What they're looking for
- You’ve run multi-cluster Kubernetes on EKS in production — backend, networking, persistence, monitoring, models, and kafka clusters per region — and you’ve used Cluster API or similar for programmatic cluster creation
- You’ve operated a stateful data plane (Postgres, Redis, Kafka, Temporal, etcd, ClickHouse) at scale — you’ve sharded it, migrated data between instances, and lived with the consequences
- You’re fluent in Envoy and Cilium/eBPF. You’re comfortable debugging Envoy response flags, conntrack drops, and cross-zone LB behavior. VPC/NAT/Cloudflare alone isn’t enough
- You’ve run multi-region Kafka on MSK in production — not just Kafka. You’ve dealt with regional topic naming, MSK Pulumi drift, and compliance constraints
- You write Go for control-plane services. Vapi’s cluster-manager, traffic-control-plane, and environment-manager are all Go, and you’re comfortable owning code in that stack
- Bonus: SIP / RTP / telephony background. The Nov 7 SIP gateway SPOF is still unsolved, and a telephony-savvy infra hire unblocks that roadmap item
More about this role
Voice AI that resolves, not transfers
Powering 1 billion calls for companies like Amazon Ring, Intuit, ServiceTitan, and New York Life
Trusted by 1 million developers building the future of voice agents
Backed by Peak XV, Bessemer, Kleiner Perkins, M12, Y Combinator, and more with $72M raised
Try talking to Vapi now!
Vapi runs live phone calls — when something breaks, callers hear it. We’re building cell-based, multi-region infrastructure to drive 99.99% call completion, and this hire owns the foundation: multi-cluster Kubernetes on EKS, a stateful data plane (Postgres, Redis, Kafka, Temporal, ClickHouse), Envoy/Cilium networking, and multi-region Kafka on MSK across EU and ANZ.
You’ll write Go for control-plane services like cluster-manager, traffic-control-plane, and environment-manager, and you’ll set the bar for how Vapi runs stateful workloads at scale.
30 Day : Ramp on the cell-based architecture, the regional EKS clusters (backend / networking / persistence / monitoring / models / kafka), and the Pulumi stacks. Shadow oncall, walk recent incidents (Envoy response flags, conntrack drops, cross-zone LB target resets), and own a first scoped infra change end-to-end.
60 Day :...
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