Latest Backend Engineering jobs at Vapi

Owns the StreamModule voice pipeline (VAD→STT→LLM→TTS) for real-time call agents. Consolidates BullMQ to Kafka, hardens provider abstractions, adds OTEL tracing, and eliminates Postgres SPOFs.

Build and own backend systems for voice agent platform, including pipelines, WhatsApp integrations, and customer-facing APIs. Experienced engineer from Series B-F companies who has shipped admired products.