Vapi
Member of Technical Staff, Infrastructure
San Francisco · Staff+
Sponsorship not specifiedDetected 69 days ago
Distributed SystemsPostgreSQLMongoDBRedisAWSKubernetesDatadogTemporalKafka5G/LTEVoIPShopify
About the role
- Most phone systems trap callers in menus and scripts.
- Total raised: $72M WHY WE'RE HIRING THIS ROLE: - Vapi runs live phone calls - when something breaks, callers hear it.
- You're comfortable debugging Envoy response flags, conntrack drops, and cross-zone LB behavior.
Responsibilities
- 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.
- Ship a control-plane improvement in Go and drive a measurable reliability or capacity win.
- 90 Day: Lead a roadmap pillar of the cell-based build-out: a new region, a stateful workload migration, or unblocking the SIP gateway SPOF.
- Operate as the infra owner other teams pull in for design reviews, and set the standards (runbooks, failure-domain modeling, capacity targets) the next infra hires inherit.
- 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.
- Build the human interface for every business
Nice to have
- SIP / RTP / telephony background.
- The Nov 7 SIP gateway SPOF is still unsolved, and a telephony-savvy infra hire unblocks that roadmap item.
- cell-based / shard architecture experience - Shopify pods, AWS cell-based reference arch, Slack shards, or equivalent.
- Microservices experience alone isn't the same.
Compensation
- Real stake: We offer a competitive salary and excellent equity ownership
Benefits
- Real stake: We offer a competitive salary and excellent equity ownership
- Comprehensive health coverage: medical, dental, and vision plans
- Flexible time off: take what you need
- More: catered meals, transportation, gym, and a $10k annual L&D budget
- Bonus: SIP / RTP / telephony background.
- Bonus: cell-based / shard architecture experience - Shopify pods, AWS cell-based reference arch, Slack shards, or equivalent.
Company info
- Amazon Ring, ServiceTitan, New York Life, Intuit, Kavak, and thousands more, from YC startups to the Fortune 500
- a company that ran cell-based in prod (Shopify, AWS service teams, Slack); a distributed systems shop (Cockroach, MongoDB, Confluent, Temporal, Redpanda, ClickHouse Inc.); a voice/video/CPaaS company (Twilio, Plivo, Bandwidth, Vonage, LiveKit, Daily.co http://Daily.co, Dialpad); an Envoy/service-mesh org (Lyft, Stripe, Airbnb, Pinterest, Isovalent/Cilium); or a streaming-infra team (Confluent, Uber, LinkedIn, Datadog) that ran MSK/Kafka multi-region.
- 70% of the company are previous founders
This listing is sourced directly from Vapi's careers page and normalized into a canonical job model.