Posted August 20, 2026
Senior AI Engineer, Voice Systems
David Joseph & Company
San Francisco, CA, US
Full Time
180000USD - 220000USD per year
Job Description
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
- 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
- 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
- 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
- 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
- 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
