Member of Technical Staff, Core Backend
Core
Build and maintain the real-time StreamModule pipeline (VAD → STT → LLM → TTS → Transport) ensuring low-latency, stable voice agent operations.
Role type
Senior IC backend engineer (real-time streaming systems)
Builds
Voice AI platform for live phone calls
Domain
Voice AI / Real-time streaming infrastructure
Deliverable
production ML models
Required skills
Real-time/streaming system architecture, queue architecture (BullMQ, Kafka, Temporal), plugin/adapter design, Postgres at scale, OpenTelemetry/event-driven tracing
Preferred skills
TypeScript, Node.js, NestJS
Technologies
TypeScript, Node.js, NestJS, Kafka, BullMQ, Temporal, Postgres, Liquibase, OpenTelemetry
Responsibilities
Consolidate BullMQ into Kafka, harden provider abstractions for pluggability, instrument pipeline with event-driven OTEL tracing, resolve Postgres SPOFs, drive reliability and latency wins on the call path
Seniority
Senior, hands-on IC