Senior AI Engineer, Voice Systems

1 day ago

Job Description

About the Company

Early-stage, venture-backed healthcare AI company building an AI nurse concierge for Medicare beneficiaries
Pairs patients with a dedicated healthcare advocate while AI agents handle the tedious backend work, all covered by Medicare
Reached roughly $1M in run-rate revenue in under a year; team of nine
Industry: Healthcare, AI. Founded: 2025

The Role

Own and improve the agentic systems that automate healthcare-navigation tasks on behalf of patients, essentially building the "cursor for nurses"
Use reinforcement learning from real interactions to continuously improve quality

What You'll Be Doing

Automate tasks advocates currently do manually, including outbound voice calls to insurance, doctors, pharmacies, and patients
Build and improve agentic search and multi-agent orchestration across complex healthcare workflows
Design evaluation infrastructure to measure and improve the quality of AI automations
Implement reinforcement-learning loops that use real actions to train and improve models over time
Ship fast and iterate directly with the team that listens to real conversations daily

Requirements

Shipped voice AI to production (not demos)
1 to 10 years of experience in AI/ML engineering, including systems with a voice component
A clear signal of excellence: a growing startup (Series A to D), major products shipped, funding raised, olympiad, or similar
Undergraduate CS degree from a top-25 university in the US or Canada
Production voice AI stack: streaming STT/TTS, telephony (Twilio/SIP), latency optimization, endpointing
Agentic systems: context engineering, multi-agent orchestration, tool use, RAG
Rapid learner who thrives in ambiguity and builds the playbook rather than following one
Willing to relocate to San Francisco in Q1 2027

Nice to Haves

Ex-YC founder, from a fast-scaling later-stage company, or Big Tech with prior startup experience
Built evaluation pipelines for voice systems: metrics, regression suites, production signal

Details

Location: San Francisco, CA, or remote (US), with preference for SF or Boston; relocation to SF expected around Q1 2027
Compensation: $180,000 to $220,000 base plus competitive early equity
Visa sponsorship: open to visa transfers (for example OPT or H-1B transfers)
Employment type: Full-time

Location	San Francisco, CA
Salary	$180,000–$220,000 Per Year

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