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Research Engineer

Assort Health· 420-Engineering
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Hybrid (San Francisco)$190k - $240kFull-timePosted 3w ago

About the role

Research Engineer role focused on building and deploying healthcare AI models and pipelines for Assort’s voice agents and patient platform, from idea to production, with end-to-end ownership and high-impact technical decisions.

Responsibilities

  • Lead research and engineering efforts to improve core conversational capabilities in production, including instruction following, tool calling, retrieval, and memory
  • Investigate research questions in speech and audio, and design experiments to test hypotheses about model behavior and capabilities
  • Build and iterate on end-to-end models and pipelines that optimize for quality, efficiency, and user experience
  • Identify opportunities for model-task optimization to ensure the right model architectures are used for different tasks based on performance, latency, and cost
  • Partner with platform and product engineers to integrate new models into production systems
  • Break down ambiguous research ideas into clear, iterative milestones and roadmaps
  • Train, fine-tune, validate, and further develop models built in-house at Hume and models developed by our customers
  • Design evaluation protocols and benchmarks that measure model quality, generalization, robustness, and progress against research objectives
  • Analyze datasets, model outputs, and failure cases; compare training approaches and use the evidence to guide the next round of model development

Qualifications

  • 5+ years of experience with a minimum of 3+ in AI/ML engineering or research
  • Prior experience post-training and deploying LLMs in production environments
  • Fluency in Python and modern ML tooling (training, evaluation, inference, data pipelines)
  • Track record of taking research ideas from prototype → reliable, measurable production impact
  • Strong experimental judgment: formulating hypotheses, establishing useful baselines, designing evaluations, and interpreting results carefully
  • (Bonus) Prior experience utilizing and improving speech-to-text (STT), text-to-speech (TTS) models, and/or duplex models

Skills

Required:PythonML model developmentLLM deployment
Nice to have:Speech/audio modeling

Benefits

  • Competitive Compensation – Including salary and employee stock options so you share in our success
  • Lifelong Learning – Annual budget for professional development, plus training opportunities
  • Office Setup Stipend – We’ll outfit your in-office workspace so comfy as it's productive
  • Top-Tier Health Coverage – Medical, dental, and vision insurance
  • Flexible PTO – We trust you to take the time you need to recharge
  • Meals & Snacks – Lunch, dinner, and snack breaks
  • Fitness Stipend – Monthly wellness reimbursement
  • Commuter Benefits – Coverage of eligible transportation costs
  • 401(k) – Retirement savings plan
Last updated Oct 22, 2026. Interested? Apply on the company site.

About Assort Health

AI Voice Agent for Healthcare | 190M+ Patient Interactions | Assort Health

Assort Health’s AI voice agent for healthcare runs on a platform trained on 190M+ interactions to handle the entire patient journey, from referrals and scheduling to intake and follow-up.

24/7AIFollow-upHealthcareReferralsSchedulingTriageVoice Agent
Company profileWebsite

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