# Senior Member of Technical Staff, Voice

**Company:** [Harper](https://hotfix.jobs/companies/harper)
**Location:** San Francisco, CA
**Role:** ML Engineering
**Salary:** $170k – $275k/yr
**Skills:** Voice Ai, Vapi, Retell, Pipecat, Livekit, Sip, Rtp, Webrtc, Real-Time Systems, Latency Optimization
**Posted:** 2026-01-07

> Owns voice AI infrastructure for insurance operations, building scalable outbound/inbound agents, customer service, and underwriting systems with sub-second latency. Requires 3-6 years experience in production voice AI and real-time systems.

## Job Description

## Responsibilities
- Build outbound at scale — Lead qualification agents calling thousands of prospects daily
- Create inbound customer service — 24/7 agents handling policy questions, certificate requests, claims
- Ship operations and underwriting voice — 20-30 minute insurance applications over the phone
- Build platform infrastructure — Move to custom infrastructure; sub-700ms latency; 10,000+ concurrent calls
- Design systems that compound — Every conversation becomes structured decision traces

## Requirements
- 3-6 years software engineering experience
- Production voice AI experience at scale
- Deep knowledge of voice infrastructure and real-time systems
- Experience with latency optimization
- Based in San Francisco or willing to relocate

## Nice to Have
- Telephony background (SIP/RTP)
- Experience with specific platforms (VAPI, Retell, Pipecat, LiveKit)
- Prior startup experience

## Compensation
- Salary: $170,000–$275,000 + performance bonuses & equity
- Health, dental, and vision insurance
- Commuter benefits
- Team meals and snacks

## Similar roles

- [Senior / Staff Software Engineer](https://hotfix.jobs/jobs/f23e3c2b-6a0e-4f62-a932-7681b5efa73e) - Clear Street - Remote - $170k – $240k/yr
- [Member of Technical Staff](https://hotfix.jobs/jobs/4b03dd2a-a60e-4476-a8f8-7ed70ad6b9be) - Phylo - South San Francisco, CA - $170k – $275k/yr
- [Senior Staff AI & Agentic Systems Engineer](https://hotfix.jobs/jobs/5aca3ad2-37ed-432f-acc7-d7916c850288) - Mozilla - Remote - $166k – $260k/yr
- [Staff Software Engineer, AI Search](https://hotfix.jobs/jobs/0fb6896f-890f-465e-8866-968f76175ae7) - Databricks - Mountain View, CA - $166k – $225k/yr
- [Staff AI Engineer](https://hotfix.jobs/jobs/4dfcbefa-14d3-48d3-a221-6f69eea36567) - Grafana Labs - Remote - $175k – $220k/yr

**Apply:** https://hotfix.jobs/jobs/45219727-f0cb-4716-9c68-3bf673ccf31c
**Canonical:** https://hotfix.jobs/jobs/45219727-f0cb-4716-9c68-3bf673ccf31c