Research Engineer

Assort Health
San Francisco
Workplace: HybridFull timeUSD 190,000 - 240,000 annuallyFunction: Research & Scientific (R&D)Experience: 5+ yearsSkills: ["Experimental judgment","Problem-solving","Collaboration","Attention to detail"]

Build healthcare AI research and production pipelines for voice agents and a patient platform, taking model ideas through prototype to reliable, measurable impact. Own initiatives that improve conversational abilities (instruction following, tool calling, retrieval, memory), design and run speech/audio experiments, and develop evaluation protocols and benchmarks. Partner with platform and product engineers to integrate new models and optimize architectures for quality, latency, and cost.

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Assort Health
Assort Health
8 hours ago

Research Engineer

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Last checked: 3 hours agoStatus: Live

Job Summary

Build healthcare AI research and production pipelines for voice agents and a patient platform, taking model ideas through prototype to reliable, measurable impact. Own initiatives that improve conversational abilities (instruction following, tool calling, retrieval, memory), design and run speech/audio experiments, and develop evaluation protocols and benchmarks. Partner with platform and product engineers to integrate new models and optimize architectures for quality, latency, and cost.
Location: San Francisco
Workplace: Hybrid
Employment Type: Full time
Job Function: Research & Scientific (R&D)
Seniority: Mid level

Key Responsibilities

  • •Lead research and engineering to improve production conversational capabilities, including instruction following, tool calling, retrieval, and memory.
  • •Investigate speech and audio research questions by designing and running experiments to test model behavior and capabilities.
  • •Build and iterate on end-to-end models and pipelines optimized for quality, efficiency, and user experience.
  • •Identify opportunities to optimize models and architectures for specific tasks based on performance, latency, and cost.
  • •Develop evaluation protocols and benchmarks, analyze datasets and failure cases, and partner with platform and product engineers to integrate models into production.

Pay and Benefits

Salary: USD 190,000 - 240,000 annually
Equity and Bonus:Equity
Perks:Health InsuranceDentalVisionEquityLearning Budget401kGym Membership

Key Requirements

  • •5+ years of experience with at least 3+ years in AI/ML engineering or research.
  • •Experience post-training and deploying LLMs in production environments.
  • •Fluency in Python and modern ML tooling across training, evaluation, inference, and data pipelines.
  • •Ability to move research ideas from prototype to reliable, measurable production impact.
  • •Strong experimental judgment, including hypothesis formation, baselines, evaluations, and careful interpretation.
Experience:5+ yearsAI/ML
Skills:Experimental judgmentProblem-solvingCollaborationAttention to detail
Tech Stack:PythonAI/MLLLMsRetrievalMemoryTool callingSpeech-to-text (STT)Text-to-speech (TTS)

Company Brief

Assort Health
Builds specialty-specific generative AI agents (voice, text, web) that manage patient calls and communications for healthcare providers, automating scheduling, triage, and administrative workflows to reduce hold times and improve access to care.
Industry: HealthTech
Company Size: Medium (51 to 250 employees)
Growth: Scaleup
Funding: Series B
Headquarters: San Francisco, United States
Founded: 2023
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